camera identify
Try for Free
tab list
PictureThis
English
arrow
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Svenska
Polskie
ภาษาไทย
Bahasa Melayu
Bahasa Indonesia
PictureThis
Search
Search Plants
Try for Free
Global
English
English
繁體中文
日本語
Español
Français
Deutsch
Pусский
Português
Italiano
한국어
Nederlands
العربية
Svenska
Polskie
ภาษาไทย
Bahasa Melayu
Bahasa Indonesia
This page looks better in the app
care_about care_about
About
care_basic_guide care_basic_guide
Basic Care
care_advanced_guide care_advanced_guide
Advanced Care
care_scenes care_scenes
More About How-Tos
care_pet_and_diseases care_pet_and_diseases
Pests & Diseases
care_more_info care_more_info
More Info
care_faq care_faq
FAQ
care_new_plant care_new_plant
New Plant Care

How to Care for Common Mallow

Common mallow originates in Eurasia and is considered to be an invasive plant in North America. It can take hold quickly in disturbed soils, generating extensive taproot networks that are hard to eliminate. Its seeds can survive for a long time in the soil. Once the seed coat is broken and exposed to water, it can germinate. With its slightly rounded leaves, it is often mistaken for a geranium weed, but geranium leaves are more deeply-dissected.
symbolism

Symbolism

Sweet disposition
Water
Water
Every week
Sunlight
Sunlight
Full sun
Common mallow
Common mallow
Common mallow
Common mallow
Common mallow
care_basic_guide

Basic Care Guide

Cultivation:WaterDetail

How to Water Common mallow?

The common mallow is a fairly drought-tolerant plant once fully established. Weekly watering is required only during its first year. After this, your watering regime can be reduced to once every 10-14 days. Alternatively, water an established common mallow only during its growth and flowering periods when the rain doesn't provide 2.5 cm of water a week. The more water you provide, the lusher the leaves will be.
Cultivation:WaterDetail
waterreminders

Never miss a care task again!

Plant care made easier than ever with our tailor-made smart care reminder.
What is the best way to water my Common mallow?
To water Common mallow, you can use a garden hose with a spray nozzle, a watering can, or just about any other common watering tool. Generally, Common mallow is not too picky about how they receive their water, as they can live off of rainwater, tap water, or filtered water. Often, you should try not to water this plant from overhead, as doing so can damage the leaves and flowers and may lead to disease as well. At times, the best method for watering this plant is to set up a drip irrigation system. These systems work well for Common mallow as they apply water evenly and directly to the soil. For one Common mallow that grows in a container, you can use a similar watering approach while changing the tools you use. To water a container-grown Common mallow, use a cup, watering can, or your tap to apply water directly to the soil.
Read More more
What should I do if I water my Common mallow too much or too little?
The remedy for underwatering Common mallow is somewhat obvious. When you notice that your plant lacks moisture, simply begin watering it on a more regular basis. The issue of overwatering can be a much more dire situation, especially if you fail to notice it early. When your Common mallow is overwatered, it may contract diseases that lead to its decline and death. The best way to prevent this outcome is to choose a proper growing location, one that receives plenty of sunlight to help dry the soil and has good enough drainage to allow excess water to drain rather than pooling and causing waterlogged soils. If you overwater your Common mallow that lives in a pot, you may need to consider changing it to a new pot. Your previous container may not have contained soil with good drainage or may not have had sufficient drainage holes. As you repot your overwatered Common mallow, make sure to add loose soils and to use a pot that drains efficiently.
Read More more
How often should I water my Common mallow?
Common mallow needs water regularly throughout the growing season. Beginning in spring, you should plan to water this plant about once per week. As the season presses on and grows warmer, you may need to increase your watering rate to about two to three times per week. Exceeding at this rate can be detrimental to your Common mallow. With that said, you should also ensure that the soil in which your Common mallow grows remains relatively moist but not wet, regardless of how often you must water to make that the case. Watering Common mallow that lives in a pot is a bit different. Generally, you'll need to increase your watering frequency, as the soil in a pot can heat up and dry out a bit faster than ground soil. As such, you should plan to water a container-grown Common mallow a few times per week in most cases, versus just once per week for an in-ground plant.
Read More more
How much water does my Common mallow need?
There are a few different ways you can go about determining how much water to give to your Common mallow. Some gardeners choose to pick their water volume based on feeling the soil for moisture. That method suggests that you should water until you feel that the first six inches of soil have become moist. Alternatively, you can use a set measurement to determine how much to water your Common mallow. Typically, you should give your Common mallow about two gallons of water per week, depending on how hot it is and how quickly the soil becomes dry. However, following strict guidelines like that can lead to overwatering if your plant requires less than two gallons per week for whatever reason. When growing Common mallow in a container, you will need to use a different method to determine how much water to supply. Typically, you should give enough water to moisten all of the layers of soil that have become dry. To test if that is the case, you can simply stick your finger in the soil to feel for moisture. You can also water the soil until you notice a slight trickle of excess water exiting the drainage holes of your pot.
Read More more
How can I tell if i'm watering my Common mallow enough?
It can be somewhat difficult to avoid overwatering your Common mallow. On the one hand, these plants have relatively deep roots that require you to moisten the soil weekly. On the other hand, Common mallow are plants that are incredibly susceptible to root rot. Along with root rot, your Common mallow may also experience browning as a result of overwatering. Underwatering is far less likely for your Common mallow as these plants can survive for a while in the absence of supplemental watering. However, if you go too long without giving this plant water, it will likely begin to wilt. You may also notice dry leaves.
Read More more
How should I water my Common mallow through the seasons?
You can expect your Common mallow’s water needs to increase as the season moves on. During spring, you should water about once per week. Then, as the summer heat arrives, you will likely need to give a bit more water to your Common mallow, at times increasing to about three times per week. This is especially true of Common mallow that grow in containers, as the soil in a container is far more likely to dry out faster than ground soil when the weather is warm. In autumn, while your Common mallow is still in bloom, it may need a bit less water as the temperature has likely declined, and the sun is no longer as strong as it was in summer.
Read More more
How should I water my Common mallow at different growth stages?
Common mallow will move through several different growth stages throughout the year, some of which may require more water than others. For example, you will probably start your Common mallow as a seed. While the seed germinates, you should plant to give more water than your Common mallow will need later in life, watering often enough to maintain consistent soil moisture. After a few weeks, your Common mallow will grow above the soil and may need slightly less water than at the seedling phase. Then, once this plant is mature, you can begin to use the regular watering frequency of about once per week. As flower development takes place, you may need to give slightly more water to aid the process.
Read More more
What's the difference between watering Common mallow indoors and outdoors?
There are several reasons why most Common mallow grow outdoors rather than indoors. The first is that these plants typically grow to tall. The second reason is that Common mallow needs more daily sunlight than most indoor growing locations can provide. If you are able to provide a suitable indoor growing location, you may find that you need to give your Common mallow water a bit more often than you would in an outdoor growing location. Part of the reason for this is that indoor growing locations tend to be a lot drier than outdoor ones due to HVAC units. The other reason for this is that soil in containers can dry out relatively quickly as well compared to soil in the ground.
Read More more
left right
Cultivation:FertilizerDetail

How to Fertilize Common mallow?

The hardy common mallow will benefit greatly from an annual fertilizing. Feed with a quality, slow-release fertilizer in late winter or early spring. A well-balanced fertilizer, with an N:P:K ratio of 10:10:10, is a good choice. Water generously after fertilizing. Alternatively, a natural organic plant food can be added. You can also mix some organic compost into the soil when planting your common mallow to enrich it and regulate drainage.
Cultivation:FertilizerDetail
Cultivation:SunlightDetail

What Are the Sunlight Requirements for Common mallow?

The common mallow generally requires full sun exposure. It may thrive under partial shade, but this will negatively reflect on its blooms. A plant that is shaded will produce fewer flowers, so try to provide at least six hours of full sun a day. If provided with enough sunlight, your common mallow will not need to be staked.
Cultivation:SunlightDetail
lightmeter

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.
How much sunlight should Common mallow get per day to grow healthily?
You must expose the plants to at least 6 to 8 hours of sunlight daily. They prefer more exposure to the morning light, especially in the summer. The Common mallow needs full sun and more sunlight that it can get. The more light these species get, the more they can manufacture food, produce beautiful blooms, and survive.
Read More more
What type of sunlight does Common mallow need?
The Common mallow grows best under full sunlight. It's best not to crowd them together so they can get exposure to the sun evenly. The leaves shouldn't be starved with sunlight. If planted in pots, try to expose the herbaceous flowers in windows with direct sun and ensure they receive full sunlight regardless of the months.
They don't tend to do well in partial or filtered light as this will not produce strong stems and healthy flowers. It's best if the Common mallow is always exposed to the sun.
Read More more
Can sunlight hurt plants? How to protect Common mallow from sun and heat damage?
When the temperature rises above 90℉(32℃), the Common mallow can get damaged by extreme temperatures, especially if they are exposed to many hours of sun. It's always ideal for providing some shade from the light in the afternoon in the summer. It's always important to keep in mind that the sunlight in the summer is stronger than the one in the winter. Sunlight exposure is also 50% longer in the summer than in the winter.
If the Common mallow is too stressed with sunlight, you might want to keep them fully hydrated. Water them when the top of the soil is about 2 inches dry, and move the plants indoors if it's too hot outside. This is the case if they are planted in containers.
It can be normal for the plant leaves to wilt during the day. Generally, they can recover at night. However, when you notice that the Common mallow is still drooping, this means that the plant is losing water fast, and you need to water them.
Read More more
Should I protect Common mallow from sun exposure?
The Common mallow does not need any protection from the sun. In fact, they love the sun, and some species are heliotropic. Plant them in south-facing gardens whenever possible so they can be exposed from morning to afternoon. While the sun can benefit them, some may experience a sunburn. You might offer protection from the afternoon and midday sun through a shade of a tree or a wall.
Growing the Common mallow in shady areas is impossible because the larger flowers would require a lot of energy to grow and produce. Always provide the lighting conditions and set them in an area with full sun for best results.
Read More more
What will happen if Common mallow gets inadequate sunlight?
When the Common mallow does not get adequate sunlight, or they are not placed in full sun locations, it's worth noting that the photosynthetic process will slow down. A lack of sunlight will cause the stems to become more leggy since they become thin and long since they tend to seek too much sunlight. They will not bloom and produce seeds in the shade.
Inadequate sunlight will also mean that the older leaves can die, the color of the new ones is lighter than the old foliage, and the new growth is smaller than the last ones.
The Common mallow indeed loves the sun so much. However, they can wilt when exposed to excessive heat and ultraviolet light during the extreme summer months, so be careful. You might want to cover them with a net that has a green shade, especially in the summer, to prevent the leaves and the flowers from scorching. When they are indoors, reduce the heat with the help of a fan.
Read More more
Does Common mallow need special care about sunlight during its different growth stages?
When the Common mallow is growing, they need more light than their mature counterparts. The younger ones should receive adequate light, but they might not be prepared for sudden full sunlight, especially if they are grown in a nursery. They can be more sensitive to the summer sun, so the lighting should be gradual and slow.
Read More more
How much light does Common mallow need for photosynthesis?
During summer or late spring, the Common mallow needs 6 to 8 hours of direct light every single day. This is whether they are planted outdoors. If the Common mallow is planted in pots or you're growing them in the winter, they need direct fluorescent lights that help them grow better. Make sure to place them in an indoor area where they are facing south or east so they can have enough sunlight for photosynthesis.
Read More more
Are there any cautions or tips for sunlight and Common mallow?
When transplanting the plants, they should not be exposed to sudden sunlight. Give the Common mallow to grow and mature before transplanting outside. Some species of herbaceous plants can grow taller and might cast a shade on other young plants. Allow between 80 to 100 days of growing season before planting another batch to ensure that every plant receives more than enough sunlight for at least 6 hours a day.
Make sure that the Common mallow receives the best light possible, especially if it's planted in a nursery. These are sun-loving plants, but too much sunlight with a very hot temperature is also detrimental to their growth. Indoor lights should be replaced with natural sunlight as much as possible since these species crave this every day.
Read More more
left right
Cultivation:PruningDetail

How to Prune Common mallow?

The common mallow, especially the bushier varieties, benefits from occasional pruning. Trimming should be done in late winter or early spring when the frosts have passed. If freshly pruned plant tissue is exposed to freezing temperatures, it can be damaged by frostbite. Trim the shoots down to the first set of leaves, which will stimulate new and healthy dense growth. Use clean, sharp shears and always disinfect your tools in between the cuts to reduce the chances of possible cross-contamination.
Cultivation:PruningDetail
close
care_advanced_guide

Advanced Care Guide

Cultivation:WaterAndHardinessDetail

What is the Ideal Temperature Range for Common mallow?

The common mallow can grow under a broad range of temperature conditions, with bushier varieties usually able to handle warmer temperatures. This is a hardy plant, able to withstand a winter that drops down to -40 ℃. Some varieties, like the Tree common mallow, can handle drought well once established, and will burst back into life when the rains return.
Cultivation:WaterAndHardinessDetail
What is the optimal temperature for Common mallow?
The best temperature for Common mallow depends on the time of year. There are two primary seasons to discuss for temperature: the growing season, and the dormancy season. During the growing season, once Common mallow has begun to sprout, the ideal temperature range should be anywhere from 65~80℉(18~27℃). Any colder than 15℉(-10℃), and the plant will suffer; its leaves may brown and wilt, but if this is a short cold snap, then Common mallow may be able to survive with some help.
During the warmer parts of the year, Common mallow will need to be similarly protected from temperatures that are too high. 95-105℉ (35-40℃) is the top of this plant’s temperature range, and anything above that will compromise the integrity of the foliage and blooms of Common mallow. Hotter temperatures can cause wilting, drooping, and even sunburn on the leaves, which can be difficult for Common mallow to recover from. There are quite a few ways to combat this issue that are quick and easy!
Read More more
Temperature requirements for first year or seedling Common mallow
If this is the first year of your Common mallow outside as a new plant, then it may need a little extra tending during the coldest months of the year. Not only can frost more severely damage a first-year Common mallow, but it can also prevent it from growing back as a healthy plant come spring. This plant needs to be kept at 40℉(5℃) or above when they’re not yet established, which can be done either by bringing your Common mallow inside for a month or two, or putting up mulch or fabric barriers that protect from frost damage.
It’s also a good idea to plant Common mallow in a shadier spot during the first year or two, as smaller and weaker plants have a more difficult time maintaining their own temperatures in the heat. First-year Common mallow should receive no more than five hours of direct sunlight per day, particularly if the ambient daytime temperature gets above 80℉(27℃). Shadecloth and frequent watering or misting are the keys to summer heat control.
Read More more
How can I protect Common mallow from extreme temperatures?
If cold temperatures (below 15℉(-10℃)) do occur during the growing season, there are a few measures you can take to help protect Common mallow from frost or cold damage. If you’re growing Common mallow in a container, then the container can simply be brought inside in bright, indirect light until the temperatures rise up over the lower threshold again. Another option that’s better suited for ground-planted Common mallow is to use mulch or horticultural fabric to create an insulated barrier around the plant, which will protect the plant from frost and cold wind.
For temperatures that are hotter than 80℉(27℃) in the shade during the day, be careful to only expose Common mallow to six hours or less of sunlight per day, preferably in the morning hours. Putting up shade cloth, or a fine plastic mesh, can help reduce the amount of direct sunlight that hits the plant during the hottest parts of the day. You can also install a misting system that allows for a slow release of cooling mist around the base of the plant during the day to lower ground temperatures.
Read More more
Dormant season temperature recommendations for Common mallow
During the cold winter months, Common mallow needs a certain measure of cold in order to stay in dormancy until it’s time to sprout. Sprouting too early, that is before the danger of the last frost has passed, can be fatal to Common mallow, especially if it’s already had a head start when the frost hits. Winter temperatures should ideally stay below 32℉(0℃), but if they get up to 40℉(5℃), everything will be just fine.
An unexpected warm spell during the cold months, which can happen in more temperate climates like woodland rainforests, can trigger a premature sprout from Common mallow. In this case, if there’s still imminent danger of frost, you may want to try covering it with clear plastic on stakes so that the cold has less of a chance of damaging the new sprout. This setup can be removed when the danger of frost has passed. Occasionally, Common mallow will be able to resprout at the correct time without any help, but this method increases the chances of a successful second sprouting.
Read More more
left right
Cultivation:SoilDetail

What Soil is Best for Common mallow?

The common mallow is not picky about its growing substrate. It can handle both clay and sandy soils and will adapt to most gardens. It doesn't necessarily require rich organic soils, and fertilizers are not a must. It will grow in neutral soil, but most will thrive if the soil pH is around 7.0.
Cultivation:SoilDetail
Cultivation:PlantingDetail

How to Plant Common mallow?

plant your common mallow in late summer or early fall. If planting in pots or in the garden, mix in some organic compost to regulate water retention. The common mallow is easily grown from seed. Choose a location that provides well-draining but moist soil and full sun. Sow shallow, cover the seed with a light soil layer, and keep the substrate constantly moist until germination. Pinch back new-growth tips when they reach about 30 cm to stimulate more compact growth.
Cultivation:PlantingDetail
care_scenes

More Info on Common Mallow Growth and Care

Basic Care Guide
Lighting
Full sun
Common mallow thrives best under the plentiful exposure to sun's rays throughout the day, but also displays tolerance to less-intense, filtered light. Born in environments accustomed to high solar radiation, the plant's growth and health is significantly influenced by such light levels. However, extremely scant or abundant sun exposure can potentially harm the plant's growth.
Best Sunlight Practices
Temperature
0 - 41 ℃
Common mallow is primarily found in regions matching its preference for temperatures of 68 to 95 °F (20 to 35 °C). During cooler seasons, it may require slight warmth adjustment to flourish.
Temp for Healthy Growth
care_pet_and_diseases

Common Pests & Diseases

Common issues for Common mallow based on 10 million real cases
Leaf beetles
Leaf beetles Leaf beetles
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Brown spot
Brown spot Brown spot
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Caterpillars
Caterpillars Caterpillars
Caterpillars
Caterpillars are fleshy moth or butterfly larvae that come in an array of colors, patterns, and even hairstyles. They chew on leaves and flower petals, creating large, irregular holes.
Solutions: Even though caterpillars are diverse, they all chew on plant parts and can cause significant damage if present in large numbers. For severe cases: Apply insecticide. For an organic solution, spray plants with a Bacillus thuringiensis (Bt), which specifically affects the larval stage of moths and butterflies. Be sure to coat plants, since caterpillars need to ingest Bt for it to be effective. This will not harm other insects. Spray a chili extract. Chili seeds can be cooked in water to make a spicy spray that caterpillars don't like. Spray this mixture on the plants, but be aware it will also be spicy to humans. Introduce beneficial insects. Release beneficial insects to the garden that eat caterpillars, such as parasitic wasps. For less severe cases: Hand pick. Using gloves, pick off caterpillars on plants and dispose of them in a bucket of soapy water. Dust plants with diatomaceous earth. This powder is harmless to humans but irritates caterpillars. Therefore, it will make it difficult for caterpillars to move and eat.
Aged yellow and dry
Aged yellow and dry Aged yellow and dry
Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
autodiagnose

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.
close
Leaf beetles
plant poor
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Caterpillars
plant poor
Caterpillars
Caterpillars are fleshy moth or butterfly larvae that come in an array of colors, patterns, and even hairstyles. They chew on leaves and flower petals, creating large, irregular holes.
Overview
Overview
Caterpillars can cause problems for home gardeners. If not managed, these insects can defoliate a plant in just a matter of days. However, home gardeners face a challenge because these caterpillars eventually turn into beautiful butterflies and moths, which are important for pollination and the general ecosystem.
There are thousands of different species of caterpillars and many will only target certain plants. If caterpillars are posing a problem, they can be removed by hand, or gardeners can use insect-proof netting to protect their valuable plants.
Symptom Analysis
Symptom Analysis
Caterpillars are the larvae of butterflies and moths. During the warmer months, butterflies and moths that visit gardens will lay their eggs on the underside of leaves.
When the tiny eggs hatch, the young larvae emerge and start feeding on the leaves of the plant. Depending on how many larvae have hatched, they can easily defoliate the plant in a very short period of time. Caterpillars will shed their skin as they grow, around 4 or 5 times during this feeding cycle.
Symptoms of caterpillars eating plants appear as holes in the leaves. The edges of the leaves may be eaten away as well, and flowers can be affected as well.
Some are easy to see, but others need to be searched for. This is because their bodies are often camouflaged to look like part of the plant. Gardeners need to look carefully along the stems of the plant as well as under the leaves. Also, look for tiny white, yellow, or brown eggs that can be found in groups on the underside of leaves.
Once the caterpillar is fully grown, it transforms into a pupa or chrysalis. Then, after a period of time that varies according to the species, a butterfly or moth will emerge from the pupa and the cycle begins again.
Solutions
Solutions
Even though caterpillars are diverse, they all chew on plant parts and can cause significant damage if present in large numbers.
For severe cases:
  1. Apply insecticide. For an organic solution, spray plants with a Bacillus thuringiensis (Bt), which specifically affects the larval stage of moths and butterflies. Be sure to coat plants, since caterpillars need to ingest Bt for it to be effective. This will not harm other insects.
  2. Spray a chili extract. Chili seeds can be cooked in water to make a spicy spray that caterpillars don't like. Spray this mixture on the plants, but be aware it will also be spicy to humans.
  3. Introduce beneficial insects. Release beneficial insects to the garden that eat caterpillars, such as parasitic wasps.
For less severe cases:
  1. Hand pick. Using gloves, pick off caterpillars on plants and dispose of them in a bucket of soapy water.
  2. Dust plants with diatomaceous earth. This powder is harmless to humans but irritates caterpillars. Therefore, it will make it difficult for caterpillars to move and eat.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
Aged yellow and dry
plant poor
Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Overview
Overview
Regardless of the type of plant or where it is grown, at some point, it will begin to aged yellow and dry. This is a natural, unavoidable process that happens when the plant has completed all of the steps in its life.
Annual plants go through this process at the end of a single growing season. Perennial plants live for multiple years, if not tens or hundreds of years, but will still ultimately exhibit these symptoms.
Symptom Analysis
Symptom Analysis
When plants have progressed through their natural developmental stages and are nearing the end of their lifecycle, they begin showing signs of decline. Leaves will start to yellow and droop, and over time they turn papery brown and dry.
Once completely dry, the leaves begin to fall from the plant until the entire plant has dried out.
Disease Cause
Disease Cause
At the end of its life, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence or natural aging and death. Cell division stops, and the plant begins catabolizing resources to use in other parts of the plant.
As this happens, the tissues begin yellow and drying until the entire plant is desiccated and perishes.
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
qrcode
Scan the QR code with your phone camera to download the app
care_more_info

More About Common Mallow

Plant Type
Plant Type
Herb
Lifespan
Lifespan
Annual, Perennial, Biennial
Spread
Spread
46 to 61 cm
Bloom Time
Bloom Time
Late spring, Summer, Early fall
Flower Size
Flower Size
6 to 13 mm
Plant Height
Plant Height
60 cm

Name story

Common mallow||Cheeseweed
It appears to resemble the hollyhock plant. Since it is the most common plant in the Malva genus, it is called common mallow. Also, common mallows are self-sowing annuals or biennials. Sometimes, it is called "cheeseweed" because of the seeds that have a similar appearance to cheese wheels.

Usages

Garden Use
One of the hardiest flowering plants you can find in a temperate garden, common mallow is tough, easy-care and produces summer blooms in a variety of colors. They can be planted anywhere in the garden where lower-lying flowers fit, and are a particularly good choice for pollinator gardens. Securely-bordered beds and containers are especially appropriate, as this plant loves to take over.
plantfinder

Find your perfect green friends.

Plan your green oasis based on your criteria: plant type, pet safety, skill level, sites, and more.
care_faq

Common Problems

My common common mallow is turning brown. Why is this happening?

more more
This is probably the result of heat stress. Even though the common mallow is relatively drought-tolerant, prolonged hot periods may damage it. Prune back the dying stems to the first flower row and water generously.

My common mallow has yellowing leaves and only a few blooms, what can I do?

more more
It sounds like your common mallow is lacking in sunlight. Remember that the common mallow needs full sun exposure and at least six hours of it. If possible, move the plant to a more suitable position and mix in some organic compost with the soil, to give it a little boost and help it to regain its vigor.
care_new_plant

Caring for a New Plant

new-plant
The following pictures and instructions for herb are aimed to help your plants adapt and thrive in a new environment.
more
1
Picking a Healthy Herb
check-health

Check Its Health

part-image-bg part-image
Whole Plant
Symmetrical crown, evenly distributed branches, full and compact shape, no excessive growth, close internodes, and uniform leaf size.
part-image-bg part-image
Leaves
Check the inside of the plant, shaded and overlapping areas, back of leaves. Even colour, no yellowing, no brown spots, no crawling insects, no cobwebs, no deformities, no wilting.
part-image-bg part-image
Stems
No mold, browning or soft rot at the base of the plant.
health-trouble

Health Troubleshooting

Whole Plant
trouble-image
more 1 Asymmetrical crown or missing, uneven branching: prune the weak and slender branches of the larger portion of the asymmetrical crown.
trouble-image
more 2 Internodes are longer in the upper part, leaves are sparse and smaller on top: increase light intensity or duration.
Stems
trouble-image
Mildew, browning, or soft rot at the base: place the plant in a ventilated, dry environment and water with fungicide.
Leaves
trouble-image
more 1 Uneven leaf color and yellowing: prune yellow leaves and check if there are signs of rot at the base of the plant. Spray with fungicide for severe cases.
trouble-image
more 2 Brown spots or small yellow spots: place the plant in a ventilated area and avoid watering the leaves. Spray with fungicide for severe cases.
trouble-image
more 3 Tiny crawling insects on the back of leaves or spider webs between leaves: increase light exposure and spray with insecticide for severe cases.
trouble-image
more 4 Deformations or missing parts on leaves: determine if it's physical damage or pest infestation. Linear or tearing damage is physical, while the rest are pests. Spray with insecticide.
trouble-image
more 5 Wilting leaves: provide partial shade and avoid excessive sun exposure. Remove 1/3 to 1/2 of the leaves for severe cases.
autodiagnose

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.
check-condition

Check Its Growing Conditions

check
Soil Check
Soil should smell fresh like after a rain and no musty odor.
check
Light Check
Check the light requirement of the plant and if it match with planting location.
check
Temperature Check
Check if the current outdoor temperature is too low or too high.
condition-trouble

Condition Troubleshooting

check
Soil
Soil smells musty or foul: check the root system for decay, place the plant in a ventilated, dry environment, and water with fungicide.
check
Ideal Temperature
Outdoor temperature is not suitable for the plant: wait until it's a more favorable temperature for growth.
check
Suitable Light
Insufficient light: Herbaceous plants need good light to bloom. If it doesn't have enough light, it may not bloom or have fewer blooms. Consider moving the plant to a sunnier spot or switching to a different plant that thrives in your light conditions.
Transplant recovery: After 3 days without major wilting, increase the light gradually over the course of a week. If the plant starts losing leaves or drooping, keep it in the shade. Continue shading until the plant has recovered. If it's yellowing and losing many leaves, the light is too low, so increase it.
more
2
Adapting Your New Herb
Step 1
condition-image
Repotting
Plant your plant promptly in its final location or in a new pot, if conditions are suitable. When transplanting, clean the roots of the plant and keep the root system intact. Prune any blackened or rotten roots, spread out a heavily tangled root system, and mix in some well-rotted organic fertilizer. Use permeable soil and water thoroughly after planting.
show more show-more
Step 2
condition-image
Pruning
Not usually needed. Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
show more show-more
Step 3
condition-image
Watering
Increase watering in the first week to keep soil moist. Water when soil is slightly dry, for at least 2 weeks. Avoid over-watering. Do not water when there is water on your fingers after touching the soil.
show more show-more
Step 4
condition-image
Fertilizing
Add a small amount of base fertilizer during transplanting or repotting. No other fertilizer needed for the first month.
show more show-more
lightmeter

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.
label
main-image
Common Mallow
label-image
Repotting
Plant promptly in final location or new pot. Clean roots, use organic fertilizer, permeable soil, and water thoroughly.
label-image
Pruning
Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
label-image
Watering
Water new plants more often for 2 weeks. Avoid over/under watering by checking the soil.
label-image
Fertilizing
Add base fertilizer during transplanting. No other fertilizer is needed for the first month.
label-image
Sunlight
Regular sun exposure for indoor plants. Shade after transplanting/repotting, then gradually increase light if there is no wilting. Increase light if yellowing and leaf drop occur.
label
main-image
Common Mallow
label-image
Repotting
Plant promptly in final location or new pot. Clean roots, use organic fertilizer, permeable soil, and water thoroughly.
label-image
Pruning
Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
label-image
Watering
Water new plants more often for 2 weeks. Avoid over/under watering by checking the soil.
label-image
Fertilizing
Add base fertilizer during transplanting. No other fertilizer is needed for the first month.
label-image
Sunlight
Regular sun exposure for indoor plants. Shade after transplanting/repotting, then gradually increase light if there is no wilting. Increase light if yellowing and leaf drop occur.
plant

Botanist in your pocket

plant
plant

App

plant
close
product icon
Continue reading in our app - it's better
A database of 400000+ plants and unlimited guides at your fingertips...
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
ad
Botanist in your pocket
Scan the QR code with your phone camera to download the app
close
title
Botanist in your pocket
qrcode
Scan QR code to download
About
Basic Care
Advanced Care
More About How-Tos
Pests & Diseases
More Info
FAQ
New Plant Care
Common mallow
Common mallow
Common mallow
Common mallow
Common mallow

How to Care for Common Mallow

Common mallow originates in Eurasia and is considered to be an invasive plant in North America. It can take hold quickly in disturbed soils, generating extensive taproot networks that are hard to eliminate. Its seeds can survive for a long time in the soil. Once the seed coat is broken and exposed to water, it can germinate. With its slightly rounded leaves, it is often mistaken for a geranium weed, but geranium leaves are more deeply-dissected.
symbolism

Symbolism

Sweet disposition
Water
Every week
Water
Sunlight
Full sun
Sunlight Sunlight detail
care_basic_guide

Basic Care Guide

Cultivation:WaterDetail

How to Water Common mallow?

Cultivation:WaterDetail
The common mallow is a fairly drought-tolerant plant once fully established. Weekly watering is required only during its first year. After this, your watering regime can be reduced to once every 10-14 days. Alternatively, water an established common mallow only during its growth and flowering periods when the rain doesn't provide 2.5 cm of water a week. The more water you provide, the lusher the leaves will be.
waterreminders

Never miss a care task again!

Plant care made easier than ever with our tailor-made smart care reminder.
What is the best way to water my Common mallow?
more
What should I do if I water my Common mallow too much or too little?
more
How often should I water my Common mallow?
more
How much water does my Common mallow need?
more
Show More more
Cultivation:FertilizerDetail

How to Fertilize Common mallow?

Cultivation:FertilizerDetail
The hardy common mallow will benefit greatly from an annual fertilizing. Feed with a quality, slow-release fertilizer in late winter or early spring. A well-balanced fertilizer, with an N:P:K ratio of 10:10:10, is a good choice. Water generously after fertilizing. Alternatively, a natural organic plant food can be added. You can also mix some organic compost into the soil when planting your common mallow to enrich it and regulate drainage.
Cultivation:SunlightDetail

What Are the Sunlight Requirements for Common mallow?

Cultivation:SunlightDetail
The common mallow generally requires full sun exposure. It may thrive under partial shade, but this will negatively reflect on its blooms. A plant that is shaded will produce fewer flowers, so try to provide at least six hours of full sun a day. If provided with enough sunlight, your common mallow will not need to be staked.
lightmeter

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.
How much sunlight should Common mallow get per day to grow healthily?
more
What type of sunlight does Common mallow need?
more
Can sunlight hurt plants? How to protect Common mallow from sun and heat damage?
more
Should I protect Common mallow from sun exposure?
more
Show More more
Cultivation:PruningDetail

How to Prune Common mallow?

Cultivation:PruningDetail
The common mallow, especially the bushier varieties, benefits from occasional pruning. Trimming should be done in late winter or early spring when the frosts have passed. If freshly pruned plant tissue is exposed to freezing temperatures, it can be damaged by frostbite. Trim the shoots down to the first set of leaves, which will stimulate new and healthy dense growth. Use clean, sharp shears and always disinfect your tools in between the cuts to reduce the chances of possible cross-contamination.
close
care_advanced_guide

Advanced Care Guide

Cultivation:WaterAndHardinessDetail

What is the Ideal Temperature Range for Common mallow?

Cultivation:WaterAndHardinessDetail
The common mallow can grow under a broad range of temperature conditions, with bushier varieties usually able to handle warmer temperatures. This is a hardy plant, able to withstand a winter that drops down to -40 ℃. Some varieties, like the Tree common mallow, can handle drought well once established, and will burst back into life when the rains return.
What is the optimal temperature for Common mallow?
more
Temperature requirements for first year or seedling Common mallow
more
How can I protect Common mallow from extreme temperatures?
more
Dormant season temperature recommendations for Common mallow
more
Show More more
Cultivation:SoilDetail

What Soil is Best for Common mallow?

Cultivation:SoilDetail
The common mallow is not picky about its growing substrate. It can handle both clay and sandy soils and will adapt to most gardens. It doesn't necessarily require rich organic soils, and fertilizers are not a must. It will grow in neutral soil, but most will thrive if the soil pH is around 7.0.
Cultivation:PlantingDetail

How to Plant Common mallow?

Cultivation:PlantingDetail
plant your common mallow in late summer or early fall. If planting in pots or in the garden, mix in some organic compost to regulate water retention. The common mallow is easily grown from seed. Choose a location that provides well-draining but moist soil and full sun. Sow shallow, cover the seed with a light soil layer, and keep the substrate constantly moist until germination. Pinch back new-growth tips when they reach about 30 cm to stimulate more compact growth.
care_scenes

More Info on Common Mallow Growth and Care

Basic Care Guide
care_pet_and_diseases

Common Pests & Diseases

Common issues for Common mallow based on 10 million real cases
Leaf beetles
Leaf beetles Leaf beetles Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Learn More About the Leaf beetles more
Brown spot
Brown spot Brown spot Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Learn More About the Brown spot more
Caterpillars
Caterpillars Caterpillars Caterpillars
Caterpillars are fleshy moth or butterfly larvae that come in an array of colors, patterns, and even hairstyles. They chew on leaves and flower petals, creating large, irregular holes.
Solutions: Even though caterpillars are diverse, they all chew on plant parts and can cause significant damage if present in large numbers. For severe cases: Apply insecticide. For an organic solution, spray plants with a Bacillus thuringiensis (Bt), which specifically affects the larval stage of moths and butterflies. Be sure to coat plants, since caterpillars need to ingest Bt for it to be effective. This will not harm other insects. Spray a chili extract. Chili seeds can be cooked in water to make a spicy spray that caterpillars don't like. Spray this mixture on the plants, but be aware it will also be spicy to humans. Introduce beneficial insects. Release beneficial insects to the garden that eat caterpillars, such as parasitic wasps. For less severe cases: Hand pick. Using gloves, pick off caterpillars on plants and dispose of them in a bucket of soapy water. Dust plants with diatomaceous earth. This powder is harmless to humans but irritates caterpillars. Therefore, it will make it difficult for caterpillars to move and eat.
Learn More About the Caterpillars more
Aged yellow and dry
Aged yellow and dry Aged yellow and dry Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Solutions: If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
Learn More About the Aged yellow and dry more
autodiagnose

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.
close
Leaf beetles
plant poor
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Prevention
Prevention
To prevent infestations of leaf beetles, follow these practices.
  1. Regularly check for beetles. To prevent large pest infestations, be proactive about frequently checking plants for pests and removing them quickly.
  2. Clear debris. Clear weeds and debris to remove areas where these beetles may overwinter and hide.
  3. Attract natural predators. Birds and other insects, such as wasps and ladybugs, are effective natural predators of leaf beetles. Encourage them to visit by including a diverse array of plants to provide habitat and food. Also, avoid applying broad-spectrum herbicides that can harm and kill beneficial insects.
  4. Plant aromatic herbs like mint, garlic, or rosemary, as these can repel leaf beetles.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
Solutions
Solutions
In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary.
Organic options won’t kill the fungus, but will prevent it from spreading.
  1. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear.
  2. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread.
  3. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Prevention
Prevention
Like many other diseases, it is easier to prevent brown spot than cure it, and this is done through cultural practices.
  • Clear fall leaves from the ground before winter to minimize places where fungi and bacteria can overwinter.
  • Maintain good air movement between plants through proper plant spacing.
  • Increase air circulation through the center of plants through pruning.
  • Thoroughly clean all pruning tools after working with diseased plants.
  • Never dispose of disease plant material in a compost pile.
  • Avoid overhead watering to keep moisture off of the foliage.
  • Keep plants healthy by providing adequate sunlight, water, and fertilizer.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Caterpillars
plant poor
Caterpillars
Caterpillars are fleshy moth or butterfly larvae that come in an array of colors, patterns, and even hairstyles. They chew on leaves and flower petals, creating large, irregular holes.
Overview
Overview
Caterpillars can cause problems for home gardeners. If not managed, these insects can defoliate a plant in just a matter of days. However, home gardeners face a challenge because these caterpillars eventually turn into beautiful butterflies and moths, which are important for pollination and the general ecosystem.
There are thousands of different species of caterpillars and many will only target certain plants. If caterpillars are posing a problem, they can be removed by hand, or gardeners can use insect-proof netting to protect their valuable plants.
Symptom Analysis
Symptom Analysis
Caterpillars are the larvae of butterflies and moths. During the warmer months, butterflies and moths that visit gardens will lay their eggs on the underside of leaves.
When the tiny eggs hatch, the young larvae emerge and start feeding on the leaves of the plant. Depending on how many larvae have hatched, they can easily defoliate the plant in a very short period of time. Caterpillars will shed their skin as they grow, around 4 or 5 times during this feeding cycle.
Symptoms of caterpillars eating plants appear as holes in the leaves. The edges of the leaves may be eaten away as well, and flowers can be affected as well.
Some are easy to see, but others need to be searched for. This is because their bodies are often camouflaged to look like part of the plant. Gardeners need to look carefully along the stems of the plant as well as under the leaves. Also, look for tiny white, yellow, or brown eggs that can be found in groups on the underside of leaves.
Once the caterpillar is fully grown, it transforms into a pupa or chrysalis. Then, after a period of time that varies according to the species, a butterfly or moth will emerge from the pupa and the cycle begins again.
Solutions
Solutions
Even though caterpillars are diverse, they all chew on plant parts and can cause significant damage if present in large numbers.
For severe cases:
  1. Apply insecticide. For an organic solution, spray plants with a Bacillus thuringiensis (Bt), which specifically affects the larval stage of moths and butterflies. Be sure to coat plants, since caterpillars need to ingest Bt for it to be effective. This will not harm other insects.
  2. Spray a chili extract. Chili seeds can be cooked in water to make a spicy spray that caterpillars don't like. Spray this mixture on the plants, but be aware it will also be spicy to humans.
  3. Introduce beneficial insects. Release beneficial insects to the garden that eat caterpillars, such as parasitic wasps.
For less severe cases:
  1. Hand pick. Using gloves, pick off caterpillars on plants and dispose of them in a bucket of soapy water.
  2. Dust plants with diatomaceous earth. This powder is harmless to humans but irritates caterpillars. Therefore, it will make it difficult for caterpillars to move and eat.
Prevention
Prevention
Prevention may require less effort than attempts to eradicate infestations that have already begun. Here are our top steps for prevention:
  1. Monitor plants. Check plants regularly for caterpillar eggs on leaves. If they do not belong to an endangered species, they should be squished.
  2. Use insect netting. Cover plants with insect netting to prevent butterflies and moths from laying eggs on plants.
  3. Apply diatomaceous earth. Apply DE to plants early in the season and reapply after rain.
  4. Encourage plant diversity. This will attract predatory insects including parasitic wasps.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
close
Aged yellow and dry
plant poor
Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
Overview
Overview
Regardless of the type of plant or where it is grown, at some point, it will begin to aged yellow and dry. This is a natural, unavoidable process that happens when the plant has completed all of the steps in its life.
Annual plants go through this process at the end of a single growing season. Perennial plants live for multiple years, if not tens or hundreds of years, but will still ultimately exhibit these symptoms.
Symptom Analysis
Symptom Analysis
When plants have progressed through their natural developmental stages and are nearing the end of their lifecycle, they begin showing signs of decline. Leaves will start to yellow and droop, and over time they turn papery brown and dry.
Once completely dry, the leaves begin to fall from the plant until the entire plant has dried out.
Disease Cause
Disease Cause
At the end of its life, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence or natural aging and death. Cell division stops, and the plant begins catabolizing resources to use in other parts of the plant.
As this happens, the tissues begin yellow and drying until the entire plant is desiccated and perishes.
Solutions
Solutions
If the yellowing and drying of leaves and flowers is a natural progression due to age, nothing can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
Prevention
Prevention
Unfortunately, there is no way to prevent plants from dying of “old age.” To help prolong their life, and put off symptoms of aged yellow and dry for as long as possible, take care of them by giving them enough water, fertilizing them appropriately, and making sure they get enough sunlight.
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
care_more_info

More About Common Mallow

Plant Type
Plant Type
Herb
Lifespan
Lifespan
Annual, Perennial, Biennial
Spread
Spread
46 to 61 cm
Bloom Time
Bloom Time
Late spring, Summer, Early fall
Flower Size
Flower Size
6 to 13 mm
Plant Height
Plant Height
60 cm

Name story

Common mallow||Cheeseweed
It appears to resemble the hollyhock plant. Since it is the most common plant in the Malva genus, it is called common mallow. Also, common mallows are self-sowing annuals or biennials. Sometimes, it is called "cheeseweed" because of the seeds that have a similar appearance to cheese wheels.

Usages

Garden Use
One of the hardiest flowering plants you can find in a temperate garden, common mallow is tough, easy-care and produces summer blooms in a variety of colors. They can be planted anywhere in the garden where lower-lying flowers fit, and are a particularly good choice for pollinator gardens. Securely-bordered beds and containers are especially appropriate, as this plant loves to take over.
plantfinder

Find your perfect green friends.

Plan your green oasis based on your criteria: plant type, pet safety, skill level, sites, and more.
care_faq

Common Problems

My common common mallow is turning brown. Why is this happening?

more more
This is probably the result of heat stress. Even though the common mallow is relatively drought-tolerant, prolonged hot periods may damage it. Prune back the dying stems to the first flower row and water generously.

My common mallow has yellowing leaves and only a few blooms, what can I do?

more more
It sounds like your common mallow is lacking in sunlight. Remember that the common mallow needs full sun exposure and at least six hours of it. If possible, move the plant to a more suitable position and mix in some organic compost with the soil, to give it a little boost and help it to regain its vigor.
care_new_plant

Caring for a New Plant

new-plant
The following pictures and instructions for herb are aimed to help your plants adapt and thrive in a new environment.
more
1
Picking a Healthy Herb
check-health

Check Its Health

part
Whole Plant
Symmetrical crown, evenly distributed branches, full and compact shape, no excessive growth, close internodes, and uniform leaf size.
more
Leaves
Check the inside of the plant, shaded and overlapping areas, back of leaves. Even colour, no yellowing, no brown spots, no crawling insects, no cobwebs, no deformities, no wilting.
more
Stems
No mold, browning or soft rot at the base of the plant.
health-trouble

Health Troubleshooting

Whole Plant
Stems
Leaves
more
more 1 Asymmetrical crown or missing, uneven branching: prune the weak and slender branches of the larger portion of the asymmetrical crown.
more
more 2 Internodes are longer in the upper part, leaves are sparse and smaller on top: increase light intensity or duration.
more
Mildew, browning, or soft rot at the base: place the plant in a ventilated, dry environment and water with fungicide.
more
more 1 Uneven leaf color and yellowing: prune yellow leaves and check if there are signs of rot at the base of the plant. Spray with fungicide for severe cases.
more
more 2 Brown spots or small yellow spots: place the plant in a ventilated area and avoid watering the leaves. Spray with fungicide for severe cases.
more
more 3 Tiny crawling insects on the back of leaves or spider webs between leaves: increase light exposure and spray with insecticide for severe cases.
more
more 4 Deformations or missing parts on leaves: determine if it's physical damage or pest infestation. Linear or tearing damage is physical, while the rest are pests. Spray with insecticide.
more
more 5 Wilting leaves: provide partial shade and avoid excessive sun exposure. Remove 1/3 to 1/2 of the leaves for severe cases.
autodiagnose

Treat and prevent plant diseases.

AI-powered plant doctor helps you diagnose plant problems in seconds.
check-condition

Check Its Growing Conditions

more
Soil Check
Soil should smell fresh like after a rain and no musty odor.
more
Light Check
Check the light requirement of the plant and if it match with planting location.
more
Temperature Check
Check if the current outdoor temperature is too low or too high.
condition-trouble

Condition Troubleshooting

Soil
Ideal Temperature
Suitable Light
check
Soil
Soil smells musty or foul: check the root system for decay, place the plant in a ventilated, dry environment, and water with fungicide.
check
Ideal Temperature
Outdoor temperature is not suitable for the plant: wait until it's a more favorable temperature for growth.
check
Suitable Light
Insufficient light: Herbaceous plants need good light to bloom. If it doesn't have enough light, it may not bloom or have fewer blooms. Consider moving the plant to a sunnier spot or switching to a different plant that thrives in your light conditions.
Transplant recovery: After 3 days without major wilting, increase the light gradually over the course of a week. If the plant starts losing leaves or drooping, keep it in the shade. Continue shading until the plant has recovered. If it's yellowing and losing many leaves, the light is too low, so increase it.
more
2
Adapting Your New Herb
Step 1
condition-image
Repotting
Plant your plant promptly in its final location or in a new pot, if conditions are suitable. When transplanting, clean the roots of the plant and keep the root system intact. Prune any blackened or rotten roots, spread out a heavily tangled root system, and mix in some well-rotted organic fertilizer. Use permeable soil and water thoroughly after planting.
Step 2
condition-image
Pruning
Not usually needed. Cut off yellow or diseased leaves and crowded leaves that appear wilted or falling.
Step 3
condition-image
Watering
Increase watering in the first week to keep soil moist. Water when soil is slightly dry, for at least 2 weeks. Avoid over-watering. Do not water when there is water on your fingers after touching the soil.
Step 4
condition-image
Fertilizing
Add a small amount of base fertilizer during transplanting or repotting. No other fertilizer needed for the first month.
lightmeter

Know the light your plants really get.

Find the best spots for them to optimize their health, simply using your phone.
product icon close
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
product icon
17,000 local species +400,000 global species studied
product icon
Nearly 5 years of research
product icon
80+ scholars in botany and gardening
ad
product icon close
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
Lighting
close
Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Full sun
Ideal
Above 6 hours sunlight
Partial sun
Tolerance
About 3-6 hours sunlight
Watch how sunlight gracefully moves through your garden, and choose spots that provide the perfect balance of light and shade for your plants, ensuring their happiness.
Essentials
Common mallow thrives best under the plentiful exposure to sun's rays throughout the day, but also displays tolerance to less-intense, filtered light. Born in environments accustomed to high solar radiation, the plant's growth and health is significantly influenced by such light levels. However, extremely scant or abundant sun exposure can potentially harm the plant's growth.
Preferred
Tolerable
Unsuitable
icon
Know the light your plants really get.
Find the best spots for them to optimize their health, simply using your phone.
Download the App
Artificial lighting
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
View more
Indoor plants require adequate lighting for optimal growth. When natural sunlight is insufficient, particularly in winter or in less sunny spaces, artificial lights offer a vital solution, promoting faster, healthier growth.
1. Choose the right type of artificial light: LED lights are a popular choice for indoor plant lighting because they can be customized to provide the specific wavelengths of light that your plants need.
Full sun plants need 30-50W/sq ft of artificial light, partial sun plants need 20-30W/sq ft, and full shade plants need 10-20W/sq ft.
2. Determine the appropriate distance: Place the light source 12-36 inches above the plant to mimic natural sunlight.
3. Determine the duration: Mimic the length of natural daylight hours for your plant species. most plants need 8-12 hours of light per day.
Important Symptoms
Symptoms of Insufficient Light in %s
Common mallow, a plant that thrives in full sunlight, is commonly grown outdoors with ample sunlight. When cultivated indoors with inadequate light, it may exhibit subtle symptoms of light deficiency.
View more
(Symptom details and solutions)
Small leaves
New leaves may grow smaller in size compared to the previous ones once they have matured.
Leggy or sparse growth
The spaces between leaves or stems of your common mallow may become longer, resulting in a thin and stretched-out appearance. This can make the plant look sparse and weak, and it may easily break or lean due to its own weight.
Faster leaf drop
When plants are exposed to low light conditions, they tend to shed older leaves early to conserve resources. Within a limited time, these resources can be utilized to grow new leaves until the plant's energy reserves are depleted.
Slower or no new growth
Common mallow enters a survival mode when light conditions are poor, which leads to a halt in leaf production. As a result, the plant's growth becomes delayed or stops altogether.
Lighter-colored new leaves
Insufficient sunlight can cause leaves to develop irregular color patterns or appear pale. This indicates a lack of chlorophyll and essential nutrients.
Solutions
1. To ensure optimal growth, gradually move plants to a sunnier location each week, until they receive at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open during the day for maximum sunlight exposure and nutrient accumulation.2. To provide additional light for your plant, consider using artificial light if it's large or not easily movable. Keep a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights for ample light.
Symptoms of Excessive light in %s
Common mallow thrives in full sun exposure and can tolerate intense sunlight. With their remarkable resilience, symptoms of sunburn may not be easily visible, as they rarely suffer from it.
View more
(Symptom details and solutions)
Chlorosis
Chlorosis is a condition where the plant's leaves lose their green color and turn yellow. This is due to the breakdown of chlorophyll from excessive sunlight, which negatively affects the plant's ability to photosynthesize.
Sunscald
Sunscald occurs when the plant's leaves or stems are damaged by intense sunlight exposure. It appears as pale, bleached, or necrotic areas on the plant tissue and can reduce the plant's overall health.
Leaf Curling
Leaf curling is a symptom where leaves curl or twist under extreme sunlight conditions. This is a defense mechanism used by the plant to reduce its surface area exposed to sunlight, minimizing water loss and damage.
Wilting
Wilting occurs when a plant loses turgor pressure and its leaves and stems begin to droop. Overexposure to sunlight can cause wilting by increasing the plant's water loss through transpiration, making it difficult for the plant to maintain adequate hydration.
Leaf Scorching
Leaf scorching is a symptom characterized by the appearance of brown, dry, and crispy edges or patches on leaves due to excessive sunlight. This can lead to a reduction in photosynthetic capacity and overall plant health.
Solutions
1. Move your plant to the optimal position where it can receive abundant sunlight but also have some shade. An east-facing window is an ideal choice as the morning sunlight is gentler. This way, your plant can enjoy ample sunlight while reducing the risk of sunburn.2. It is recommended to trim off any completely dehydrated or withered parts of the plant.
Discover care info about seasonal tips, plant diseases, and more?
Temperature
close
Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Ideal
Tolerable
Unsuitable
Just like people, each plant has its own preferences. Learn about your plants' temperature needs and create a comforting environment for them to flourish. As you care for your plants, your bond with them will deepen. Trust your intuition as you learn about their temperature needs, celebrating the journey you share. Lovingly monitor the temperature around your plants and adjust their environment as needed. A thermometer can be your ally in this heartfelt endeavor. Be patient and gentle with yourself as you explore your plants' temperature needs. Cherish your successes, learn from challenges, and nurture your garden with love, creating a haven that reflects the warmth of your care.
Essentials
Common mallow is primarily found in regions matching its preference for temperatures of 68 to 95 °F (20 to 35 °C). During cooler seasons, it may require slight warmth adjustment to flourish.
Regional wintering strategies
Common mallow has strong cold resistance, so special frost protection measures are usually not necessary during winter. However, if the winter temperatures are expected to drop below {Limit_growth_temperature}, it is still important to provide cold protection. This can be achieved by covering the plant with materials such as soil or straw. Before the first freeze in autumn, it is recommended to water the plant abundantly, ensuring the soil remains moist and enters a frozen state. This helps prevent drought and water scarcity for the plant during winter and early spring.
Important Symptoms
Symptoms of Low Temperature in %s
Common mallow is cold-tolerant and thrives best when the temperature is above {Suitable_growth_temperature_min}. During winter, it should be kept above {Tolerable_growing_temperature_min}. When the temperature falls below {Limit_growth_temperature}, although there may not be any noticeable changes during winter, there may be a decrease in sprouting or even no sprouting during springtime.
Solutions
In spring, remove any parts that have failed to sprout.
Symptoms of High Temperature in %s
During summer, Common mallow should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the leaves of the plant may become lighter in color, prone to curling, susceptible to sunburn, and in severe cases, the entire plant may wilt and become dry.
Solutions
Trim away the sunburned and dried-up parts. Move the plant to a location that provides shade from the midday and afternoon sun, or use a shade cloth to create shade. Water the plant in the morning and evening to keep the soil moist.
Discover care info about seasonal tips, plant diseases, and more?
Cookie Management Tool
In addition to managing cookies through your browser or device, you can change your cookie settings below.
Necessary Cookies
Necessary cookies enable core functionality. The website cannot function properly without these cookies, and can only be disabled by changing your browser preferences.
Analytical Cookies
Analytical cookies help us to improve our application/website by collecting and reporting information on its usage.
Cookie Name Source Purpose Lifespan
_ga Google Analytics These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here. 1 Year
_pta PictureThis Analytics We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience. 1 Year
Cookie Name
_ga
Source
Google Analytics
Purpose
These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here.
Lifespan
1 Year

Cookie Name
_pta
Source
PictureThis Analytics
Purpose
We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience.
Lifespan
1 Year
Marketing Cookies
Marketing cookies are used by advertising companies to serve ads that are relevant to your interests.
Cookie Name Source Purpose Lifespan
_fbp Facebook Pixel A conversion pixel tracking that we use for retargeting campaigns. Learn more here. 1 Year
_adj Adjust This cookie provides mobile analytics and attribution services that enable us to measure and analyze the effectiveness of marketing campaigns, certain events and actions within the Application. Learn more here. 1 Year
Cookie Name
_fbp
Source
Facebook Pixel
Purpose
A conversion pixel tracking that we use for retargeting campaigns. Learn more here.
Lifespan
1 Year

Cookie Name
_adj
Source
Adjust
Purpose
This cookie provides mobile analytics and attribution services that enable us to measure and analyze the effectiveness of marketing campaigns, certain events and actions within the Application. Learn more here.
Lifespan
1 Year
This page looks better in the app
Open