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Moroccan houseleek
Sempervivum 'Atlanticum'
Also known as : Houseleek
Moroccan houseleek (*Sempervivum 'Atlanticum'*) is a succulent species that is considered easy to grow and often cultivated in rock gardens and containers. Outdoors, moroccan houseleek can tolerate frost in the winter and grows best with copious amounts of outdoor light. This species produces many offset shoots compared to other succulents.
Hardiness Zones
2 to 9
Care Guide for Moroccan houseleek
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Watering Care
Drought-tolerant. Allow the soil to dry completely between watering.
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Moroccan houseleek
Water
Every 3 weeks
Hardiness Zones
2 to 9
Planting Time
Spring, Fall
Questions About Moroccan houseleek
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Watering 
Sunlight 
Temperature 
Fertilizing What should I do if I water my Moroccan houseleek too much or too little?
Underwatered Moroccan houseleek
Moroccan houseleek and other succulents can endure long periods without water, so it’s unusual to find one of these suffering from underwatering. But, if you somehow forgot about your plant and neglected to water it for a month or more, you’ll probably find your Moroccan houseleek looking thirsty or with some damage from lack of watering.
It is very easy to identify an underwatered Moroccan houseleek. Plant look lacklustre and wrinkled. Some may have dried up completely, turned brown and crispy, or dropped off the plant. And of course, the soil will be completely dried out.
If your Moroccan houseleek is thirsty and underwatered, give it plenty of water as soon as possible. Submerging the pot entirely in water for about 5-10 minutes is a good way to make sure the soil and plant are rehydrated properly. When you feel a sense of moisture on the surface of the soil with your finger, it means the watering is done properly.
Overwatered Moroccan houseleek
Overwatering is dangerous to Moroccan houseleek and can be fatal to your plant if you don’t remedy the situation. Too much moisture over time leads to root rot, which prevents the roots from being able to absorb nutrients and water from the soil. Root rot occurs when wet conditions allow fungi and bacteria to flourish in the soil and feed on roots. When you find that it's overwatered, you'd better change the growing conditions, place it somewhere with more air ventilation and adjust water frequency, for example.
The symptoms of overwatering are yellow, swollen, and translucent organs that may even burst open from being over-full with water. If the problem continues without being treated, plant might turn brown or black, and fall off the plant at the slightest touch. Be sure to check the soil to determine if overwatering is the culprit, as some other issues can cause similar symptoms.
It’s a bit difficult (but not impossible) to save an overwatered plant. The key is catching it early before a lot of damage has occurred. If the roots become rotten, it is likely to kill the entire plant. If you suspect you have overwatered your Moroccan houseleek, the first step is to remove it from its pot and check the roots and soil.
After removing the plant from its pot, gently remove wet soil from around the roots and then rinse them clean in room-temperature water. This helps with removing fungus that might be lurking in the soil and allows you to get a better sense of how healthy the roots are. If your plant has already developed root rot, you will see roots that are dark brown or black, soft, mushy, or slimy.
If the majority of the roots are already affected by root rot, it may not be possible to save the plant. In this case, it is best to remove any healthy stem and try to use these to propagate a new Moroccan houseleek. If, on the other hand, only a portion of the roots have succumbed to rot and other healthy roots still remain, there is a chance it can be saved.
Use a sterilized cutting tool to remove any unhealthy-looking roots. Once you're left with only the firm, pale roots, it’s a good idea to dip them in a fungicide to kill off any remaining spores. After that you can repot your Moroccan houseleek in fresh, free-draining potting soil. While this does not always work to save a succulent with root rot, in most cases this plant will be able to make a full recovery and will put out new growth starting in the next growing season.
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How often should I water my Moroccan houseleek?
There’s not a hard-and-fast rule for how often to water Moroccan houseleek. The best way to determine this is to check the soil and only water when it’s bone dry. You can either stick your finger in the pot or use a moisture meter to check the soil below the surface. When you plant it in a deep pot, you can do this with a stick or chopstick. If it feels even a little bit moist, wait a few days and check it again.
Most people will need to water Moroccan houseleek about every two weeks in summer and once a month in winter, but there are several factors that can change the frequency. The section below lists some considerations that can help you to determine how often to water.
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What should I consider when watering my Moroccan houseleek?
There are several environmental conditions that will affect how your Moroccan houseleek needs to be watered, including the container size, soil type, temperature, and humidity.
First off, the container and soil you use will determine how often to water and how much water to use each time. Be sure you use a container with plenty of drainage holes in the bottom so extra water can escape the pot. A small container has less room for soil, meaning it won’t hold as much moisture, while a larger pot will stay wet longer and need to be watered less often. It’s important not to keep your Moroccan houseleek in an oversized pot as this can easily lead to overwatering. When repotting, move to just one size larger than the current container. A shallow container works better than a deep one, since Moroccan houseleek has shallow root systems.
Moroccan houseleek will need to be watered less often in winter and more often in the active growing season in spring and autumn. During the winter, growth slows down considerably and the plant isn’t using much energy or water. There is less water lost to evaporation in cooler winter air, meaning that soil stays wet for much longer than it would in the summer.
This also applies to the general climate around your home. If you live in a humid location with a lot of rain, you will need to water less often than if you live in a dry, arid climate. Remember that conditions at the same geographic location can vary significantly with the season and the use of indoor heating and air conditioning.
Outdoor Planting
If Moroccan houseleek is planted in the ground, after establishing a root system, it shouldn’t need supplemental water beyond what it receives through precipitation and dew. But if there is a long dry period, you may want to water occasionally. In other areas where Moroccan houseleek can only be grown in a container, this plant can be moved outside in the spring and summer when the temperature is proper and then brought back inside when temperatures start to drop. A potted Moroccan houseleek kept outside usually needs more water than the same plant kept indoors, because there is a lot more sun exposure even on a shaded porch.
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How to water Moroccan houseleek?
The best way to water Moroccan houseleek is to soak it thoroughly and then allow it to dry out before it gets watered again. Since this plant is somewhat drought tolerant, you can let it get quite dry before watering again. It is always better to give this type of plant too little water over too much.
When you water, make sure the soil gets thoroughly soaked throughout the whole pot. Don’t pour the water in just one spot, but rather try to go around the whole rim of the planter to be sure that it has a chance to get wet on all sides of the plant. The correct amount of water will depend on the size of your container and how much water your soil absorbs. Give your Moroccan houseleek enough water that it drains out from the drainage holes and then (ideally) leave the drained water in the saucer for about 20-30 minutes to absorb into dry pockets of soil. After that, discard any excess water that’s still in the saucer to avoid the soil getting waterlogged.
Bottom-watering is also an excellent method for Moroccan houseleek, as you can be sure that the soil gets thoroughly moistened. This process involves placing the pot into a saucer of water and allowing the soil to absorb moisture through the drainage holes. You will know that the soil has absorbed enough water when the top layer is moist. This takes a bit more time than top-watering, but is almost foolproof in getting an even distribution of water throughout the pot.
The original habitat of Moroccan houseleek is relatively dry with little rain, but when it rains, the soil will be thoroughly moistened. So you can mimic this situation by bottom-watering your plant when the soil is totally dry. Deep soil bathing is better than frequent light watering for Moroccan houseleek.
Read More ![more]()
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Key Facts About Moroccan houseleek
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Attributes of Moroccan houseleek
Lifespan
Perennial
Plant Type
Succulent
Bloom Time
Summer
Plant Height
8 cm
Spread
15 cm to 20 cm
Flower Color
Purple
Red
Leaf type
Evergreen
Ideal Temperature
0 - 35 ℃
Scientific Classification of Moroccan houseleek
Phylum
Vascular plants
Class
Dicotyledons
Family
Stonecrop
Genus
Houseleeks
Species
Moroccan houseleek
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Common Pests & Diseases About Moroccan houseleek
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Common issues for Moroccan houseleek based on 10 million real cases
Low light
A lack of sunlight will cause the stems and leaves to elongate and appear lighter in color.
Solutions: Low light can only be addressed by increasing light availability, and these measures will only stop further etoliation; current distortion cannot be reversed. Move plant to a position where it receives more light. Check the requirements for specific species, as too much sunlight can cause a plant to burn. Introduce appropriate artificial lighting. Some people choose to prune the longest stems so the plant can concentrate on healthy new growth under the improved lighting.
Soft rot
Soft rot causes the entire plant to turn black and rot from the inside out.
Solutions: Once soft rot appears, it is difficult to control. For minor issues of soft rot where only a small area is affected: Reduce watering. Only water when the soil is completely dry. Prune away affected tissue. Remove all dead and/or rotting roots and leaves. Use sterile tools. Repot using new soil. If potted, repot the plant with new soil. Be sure to use a pot with proper drainage holes. For severe cases when a large amount of tissue is infected or black: Dispose of plant. Severely infected plants will not recover. Dispose of the plant so that other nearby plants are not infected. Do not compost the infected plant.
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.
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
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Low light
A lack of sunlight will cause the stems and leaves to elongate and appear lighter in color.
Overview
All plants require light, and if they do not receive it in the quantities that they require this distorts their growth in a process known as etiolation. In essence, etiolated plants are diverting all of their energy to growing taller in a desperate attempt to reach a position where they can meet their light requirements. Many other growth factors are harmed by this, and so light-deprived plants can become weak and distorted until they are almost unrecognizable. Low light symptoms are most commonly seen in houseplants, but outdoor specimens can also be affected.
Symptom Analysis
Although symptoms will vary in different plants, the general symptoms of low light are easy to spot.
- Plant stems grow tall and lanky.
- There are less leaves, and both leaves and stems tend to be pale and insipid looking. This is due to a shortage of chlorophyll.
- All plant parts become weakened and may droop, as energy is diverted toward too-fast growth as the plant stretches itself toward any source of light.
Disease Cause
Plants need sunlight in varying amounts for photosynthesis – a process that produces energy for growth and fruit and flower production. Low light causes a plant to divert all energy to upward (apical) growth in order to find better light. Plant hormones called auxins are transported from the actively-growing tip of the plant downwards, to suppress lateral growth. A drop in cellular pH triggers expansins, nonenzymatic cell wall proteins, to loosen cell walls and allow them to elongate. This elongation results in the abnormal lengthening of stems, especially internodes, or plant "legginess" which is observed in etoliated plants.
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Soft rot
Soft rot causes the entire plant to turn black and rot from the inside out.
Overview
Soft rot is a common disease affecting mostly fruits and vegetables. It can occur while plants are growing but is more common once the produce has been harvested. The most susceptible plants are fleshy vegetables like tomatoes, lettuce, sweet potato, capsicum, bananas, eggplants, squash, cucumber, avocados, and potatoes.
Many succulents are also susceptible to soft rot. This is especially the case when the plant has received some damage, as bacteria enters the succulent through the open wound.
Symptom Analysis
Initially, the disease is spotted in the form of soft, wet, cream-to-tan necrotic spots. These may appear on fruits and vegetables, including tubers, or succulent leaves and stems. The spots are surrounded by a dark brown to black ring.
As the disease progresses, the plant part becomes infected with a soft and slimy rot that has a foul odor. A dark discoloration can be seen internally. Potatoes, sweet potatoes and other tubers will have evidence of this rot under the skin. Fruits like avocados exhibit a dark metallic sheen on the outside and the flesh is grey to black. The flesh also has a putrid odor.
Succulents with soft rot will have watery-looking scabs on the stems or leaves. As the disease progresses, the spots will turn brown to black and they may have a foul-smelling discharge. For succulents with shorter stems, it may be more difficult to notice the earliest symptoms, and soft rot may not be noticed until the plant has already begun rotting from the center.
Disease Cause
Soft rot is caused by the bacteria Erwinia cartovorum. This bacteria secretes enzymes that decompose the cell wall structure of the plant. This destroys the plant tissue and causes the plant or its fruit to rot.
The bacteria lives in crop debris as well as soil and water, including the ocean. It infects plants through open wounds, including those caused by overwatering in succulents. It is normally spread by splashing water, insects, and wind. Infection is worse in hot and humid weather.
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Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
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
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
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.
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Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
- Wilted, droopy flowers
- Petals and leaves begin to wrinkle
- Brown papery streaks or spots appear on the petals and leaf tips
- Flowerhead shrink in size
- Petal color fades
- Yellowing leaves
- Complete death of the flower
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
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More Info on Moroccan Houseleek Growth and Care
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Basic Care Guide
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Lighting
Full sun
Moroccan houseleek thrives under intense solar exposure and can endure less light conditions. This resilient nature is formed in its native habitat, which is exposed to full solar illumination throughout the year. Insufficient sunshine can hinder growth and impede vibrant colors, while excess may stress the plant but normally doesn't cause severe damage.
Best Sunlight Practices 
Temperature
-35 - 38 ℃
Moroccan houseleek is native to regions with moderate climates, having temperature preferences ranging between 32 to 95 °F (0 to 35 ℃). It may need shade during hot summers to prevent overheating and mulching in winter for freeze protection.
Temp for Healthy Growth 
Transplant
1-2 feet
The optimal moment to transplant moroccan houseleek is during late spring-early summer (S5-S6), which is beneficial due to increased daylight and warmer conditions stimulating root growth. Moroccan houseleek prefers a sunny location with well-drained soil. Make sure the new site is prepared beforehand – it'll make the transplanting process smoother for you and moroccan houseleek!
Transplant Techniques 
Feng shui direction
South
The placing of moroccan houseleek in your South-facing location may well harmonize with elemental Feng Shui principles, as this direction is known to be governed by the Fire element. The moroccan houseleek's red-tipped leaves could potentially draw in the energy of this element, thus enhancing prosperity and fame.
Fengshui Details Plants Related to Moroccan houseleek
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Cape jasmine
Gardenia jasminoides is an evergreen shrub with unique, glossy evergreen leaves and stunning flowers. The sophisticated, matte white flowers are often used in bouquets. The exceptional beauty of this ornamental plant has made it a popular and highly appreciated plant amongst gardeners and horticulturalists.
Golden pothos
The golden pothos (Epipremnum aureum) is a popular houseplant that is commonly seen in Australia, Asia, and the West Indies. It goes by many nicknames, including "devil's ivy", because it is so hard to kill and can even grow in low light conditions. Golden pothos has poisonous sap, so it should be kept away from pets and children.
Pepper
The pepper are commonly used for cooking in places such as the Southern U.S. and Central America. Most are moderately spicy, though because there are so many variants, the spice level can vary dramatically. Cayenne powder is also a popular seasoning product made from pepper plants.
Swiss cheese plant
The swiss cheese plant (Monstera deliciosa) produces bright, glossy leaves and makes a popular houseplant. It is originally native to tropical forest regions in Central America. The nickname swiss cheese plant refers to the small holes that develop in the plant's leaves. The long fruits resemble corncobs and smell sweet and fragrant when ripe.
Snake plant
Snake plant can be considered a houseplant and an architectural display due to its sword-like leaves with bold striping patterns, which are distinctive and eye-catching. However, use caution with this plant because it is poisonous when ingested and can cause nausea, vomiting, and even swelling of the throat and tongue.
Bigleaf hydrangea
The bigleaf hydrangea is a deciduous shrub native to Japan, and is known for its lush, oval, colorful inflorescence. The two types of Hydrangea macrophylla are mopheads - with large, ball-shaped, sterile flower clusters, and lace capes - with small round fertile flowers in the center, and sterile flowers on the outer side of each inflorescence. Depending on soil pH, blooms can change color from pink to blue.
Corn plant
Corn plant (Dracaena fragrans) is an evergreen, slow-growing perennial shrub native to tropical Africa. Also, it is a classic houseplant, grown in Europe since the 1800s. Its glossy green foliage that resembles corn leaves grow on top of a thick cane, which is why the plant is sometimes called “false palm tree.”
Peace lily
The peace lily gets its scientific name Spathiphyllum wallisii from a combination of the two Greek words ‘spath’ and ‘phyl’, which means spoon and leaves, respectively. The large graceful white spathe of the peace lily resembles a white flag, which is an international symbol of truce or peace.
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About
Care Guide
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Pests & Diseases
More About How-Tos
Related Plants
Moroccan houseleek
Sempervivum 'Atlanticum'
Also known as: Houseleek
Moroccan houseleek (*Sempervivum 'Atlanticum'*) is a succulent species that is considered easy to grow and often cultivated in rock gardens and containers. Outdoors, moroccan houseleek can tolerate frost in the winter and grows best with copious amounts of outdoor light. This species produces many offset shoots compared to other succulents.
Hardiness Zones
2 to 9
Care Guide for Moroccan houseleek
Feedback
Watering Care
Drought-tolerant. Allow the soil to dry completely between watering.
Fertilizing Care
Fertilization once a month during the growing season.
Pruning
Deadhead (or remove) withered flowers after flowering.
Soil Care
Sand, Slightly acidic, Neutral
Ideal Lighting
Full sun, Partial sun
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Questions About Moroccan houseleek
Feedback
Watering Sunlight Temperature Fertilizing What should I do if I water my Moroccan houseleek too much or too little?
How often should I water my Moroccan houseleek?
What should I consider when watering my Moroccan houseleek?
How to water Moroccan houseleek?
Get tips and tricks for your plants.
Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.
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More Questions People Also Ask
Key Facts About Moroccan houseleek
Feedback
Attributes of Moroccan houseleek
Lifespan
Perennial
Plant Type
Succulent
Bloom Time
Summer
Plant Height
8 cm
Spread
15 cm to 20 cm
Flower Color
Purple
Red
Leaf type
Evergreen
Ideal Temperature
0 - 35 ℃
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Scientific Classification of Moroccan houseleek
Phylum
Vascular plants Class
Dicotyledons Family
Stonecrop Genus
Houseleeks Species
Moroccan houseleek 
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Common Pests & Diseases About Moroccan houseleek
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Common issues for Moroccan houseleek based on 10 million real cases
Low light
A lack of sunlight will cause the stems and leaves to elongate and appear lighter in color.
Solutions: Low light can only be addressed by increasing light availability, and these measures will only stop further etoliation; current distortion cannot be reversed. Move plant to a position where it receives more light. Check the requirements for specific species, as too much sunlight can cause a plant to burn. Introduce appropriate artificial lighting. Some people choose to prune the longest stems so the plant can concentrate on healthy new growth under the improved lighting.
Learn More About the Low light ![more]()
Soft rot
Soft rot causes the entire plant to turn black and rot from the inside out.
Solutions: Once soft rot appears, it is difficult to control. For minor issues of soft rot where only a small area is affected: Reduce watering. Only water when the soil is completely dry. Prune away affected tissue. Remove all dead and/or rotting roots and leaves. Use sterile tools. Repot using new soil. If potted, repot the plant with new soil. Be sure to use a pot with proper drainage holes. For severe cases when a large amount of tissue is infected or black: Dispose of plant. Severely infected plants will not recover. Dispose of the plant so that other nearby plants are not infected. Do not compost the infected plant.
Learn More About the Soft rot ![more]()
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]()
Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Solutions: If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible. For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface. In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well. If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Learn More About the Flower withering ![more]()
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Low light
A lack of sunlight will cause the stems and leaves to elongate and appear lighter in color.
Overview
All plants require light, and if they do not receive it in the quantities that they require this distorts their growth in a process known as etiolation. In essence, etiolated plants are diverting all of their energy to growing taller in a desperate attempt to reach a position where they can meet their light requirements. Many other growth factors are harmed by this, and so light-deprived plants can become weak and distorted until they are almost unrecognizable. Low light symptoms are most commonly seen in houseplants, but outdoor specimens can also be affected.
Symptom Analysis
Although symptoms will vary in different plants, the general symptoms of low light are easy to spot.
- Plant stems grow tall and lanky.
- There are less leaves, and both leaves and stems tend to be pale and insipid looking. This is due to a shortage of chlorophyll.
- All plant parts become weakened and may droop, as energy is diverted toward too-fast growth as the plant stretches itself toward any source of light.
Disease Cause
Plants need sunlight in varying amounts for photosynthesis – a process that produces energy for growth and fruit and flower production. Low light causes a plant to divert all energy to upward (apical) growth in order to find better light. Plant hormones called auxins are transported from the actively-growing tip of the plant downwards, to suppress lateral growth. A drop in cellular pH triggers expansins, nonenzymatic cell wall proteins, to loosen cell walls and allow them to elongate. This elongation results in the abnormal lengthening of stems, especially internodes, or plant "legginess" which is observed in etoliated plants.
Solutions
Low light can only be addressed by increasing light availability, and these measures will only stop further etoliation; current distortion cannot be reversed.
- Move plant to a position where it receives more light. Check the requirements for specific species, as too much sunlight can cause a plant to burn.
- Introduce appropriate artificial lighting.
- Some people choose to prune the longest stems so the plant can concentrate on healthy new growth under the improved lighting.
Prevention
To avoid etiolation, provide an adequate amount of light from the beginning.
- Choose a location that matches each plant's ideal light needs. Many indoor plants do best in or near a south-facing window, which will provide the longest hours of sunlight. Flowering plants and those with colored leaves typically need more light than purely-green plants, as photosynthesis occurs in the green portions of leaves.
- Select plants with light needs that match a location's conditions. Some cultivars and varieties require less light than others.
- Use a grow light. Darker locations may require artificial illumination. A grow light may also become more necessary during winter, when sunlit hours are at their shortest.
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Soft rot
Soft rot causes the entire plant to turn black and rot from the inside out.
Overview
Soft rot is a common disease affecting mostly fruits and vegetables. It can occur while plants are growing but is more common once the produce has been harvested. The most susceptible plants are fleshy vegetables like tomatoes, lettuce, sweet potato, capsicum, bananas, eggplants, squash, cucumber, avocados, and potatoes.
Many succulents are also susceptible to soft rot. This is especially the case when the plant has received some damage, as bacteria enters the succulent through the open wound.
Symptom Analysis
Initially, the disease is spotted in the form of soft, wet, cream-to-tan necrotic spots. These may appear on fruits and vegetables, including tubers, or succulent leaves and stems. The spots are surrounded by a dark brown to black ring.
As the disease progresses, the plant part becomes infected with a soft and slimy rot that has a foul odor. A dark discoloration can be seen internally. Potatoes, sweet potatoes and other tubers will have evidence of this rot under the skin. Fruits like avocados exhibit a dark metallic sheen on the outside and the flesh is grey to black. The flesh also has a putrid odor.
Succulents with soft rot will have watery-looking scabs on the stems or leaves. As the disease progresses, the spots will turn brown to black and they may have a foul-smelling discharge. For succulents with shorter stems, it may be more difficult to notice the earliest symptoms, and soft rot may not be noticed until the plant has already begun rotting from the center.
Disease Cause
Soft rot is caused by the bacteria Erwinia cartovorum. This bacteria secretes enzymes that decompose the cell wall structure of the plant. This destroys the plant tissue and causes the plant or its fruit to rot.
The bacteria lives in crop debris as well as soil and water, including the ocean. It infects plants through open wounds, including those caused by overwatering in succulents. It is normally spread by splashing water, insects, and wind. Infection is worse in hot and humid weather.
Solutions
Once soft rot appears, it is difficult to control.
For minor issues of soft rot where only a small area is affected:
- Reduce watering. Only water when the soil is completely dry.
- Prune away affected tissue. Remove all dead and/or rotting roots and leaves. Use sterile tools.
- Repot using new soil. If potted, repot the plant with new soil. Be sure to use a pot with proper drainage holes.
For severe cases when a large amount of tissue is infected or black:
- Dispose of plant. Severely infected plants will not recover. Dispose of the plant so that other nearby plants are not infected. Do not compost the infected plant.
Prevention
To prevent soft rot, do the following:
- Avoid overwatering. Only water succulents when soil is almost dry. Make sure potted plants are in containers with drainage holes.
- Ensure proper airflow. Do not crowd plants together. Make sure there is adequate space between plants to allow for airflow.
- Source healthy plants. Avoid introducing plants with soft rot into your garden or home. Buy plants for a reliable source and check for signs of soft rot.
- Sterilize pruning tools. Soft rot bacteria enter plants where tissue is cut. Make sure to sterilize pruning tools before using.
- Control pests. Pests can spread soft rot bacteria when they feed on plants. Controlling pests will help stop the spread of soft rot.
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Aged yellow and dry
Natural aging can cause leaves to turn yellow and dry out.
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
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
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
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
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.
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Flower withering
Flowers may dry out due to a sudden change in environment or because the plant has completed its normal flowering period.
Overview
Flower withering occurs when flowers become weak, droopy, wilted, or faded until they can’t be revived. During withering, they begin to wrinkle and shrink until the flower becomes completely dry or dead.
Any flowers, regardless of the plant type or the climate they are grown in, are susceptible to withering. It is a worldwide problem across houseplants, herbs, flowering ornamentals, trees, shrubs, garden vegetables, and food crops.
Unlike wilting—which withering is often confused with—withering can be caused by different things and is often due to more than a lack of water. Withering can be fatal in severe cases.
Symptom Analysis
Flower withering progresses from very mild cases to severe occurrences that kill the flower. The severity of the symptoms is related to the cause and how long the condition is allowed to progress before action is taken.
- Wilted, droopy flowers
- Petals and leaves begin to wrinkle
- Brown papery streaks or spots appear on the petals and leaf tips
- Flowerhead shrink in size
- Petal color fades
- Yellowing leaves
- Complete death of the flower
Disease Cause
The main causes of flower withering include natural age progress, lack of water, nutritional deficiencies, and bacterial or fungal diseases. It’s critical to determine the underlying cause when flower withering is noticed. This will guide the best course of action, if treatment is possible.
Check the soil for moisture and then closely examine the entire plant for signs of nutrient deficiencies. If neither of those appears to be the cause then cut open the stem below a flower. If a cross-section reveals brown or rust-colored stains it is safe to assume that this is a bacterial or fungal infection.
If the flower is nearing the end of its normal lifespan, genetic coding within the plant increases the production of ethylene, a phytohormone that controls senescence, or cell aging and death. Cell division stops and the plant begins breaking down resources within the flower to use in other parts of the plant.
In all other cases, flower withering happens when the plant seals off the stem as a defense mechanism, stopping transport within the vascular system. This prevents further water loss through the flowers but also stops bacteria and fungi from moving to healthy parts of the plant. Once water and nutrient transport stops, the flower begins to wither and ultimately die.
Solutions
If flower withering is a natural progression due to age, there is nothing that can be done to slow or stop the process. Once hormones within the plant begin the process of senescence, it’s irreversible.
For lack of water, immediately water the plant using room temperature rainwater, bottled spring water, or filtered tap water. Water container plants until excess water drains out the bottom; water in-ground plants until the soil is soaked but there isn’t standing water on the surface.
In the event of nutritional deficiencies, the best solution is to use a granular or water-soluble liquid fertilizer, and apply it to the soil at about half the recommended dosage. Keep it off the leaves and make sure granular products are watered into the soil well.
If the plant is infected with a bacterial or fungal pathogen, there is no course of treatment that cures the diseased plants. The best solution is to remove the infected plants and dispose of the plant material off-site. Do not put in a compost pile.
Prevention
This is definitely one of those instances where prevention is more effective than cure. Here are some preventative measures for avoiding premature flower withering.
- Water plants according to their needs -- either keep the soil slightly moist or allow the top inch or two to dry out before watering again.
- Fertilize lightly on a consistent basis, depending upon the plant’s growth. Quick-growing plants and those that flower or develop fruit will need more frequent fertilizing than slow-growing plants.
- Purchase plants that are certified disease- or pathogen-free.
- Look for disease-resistant cultivars.
- Isolate plants showing disease symptoms to prevent the spread to neighboring plants.
- Practice good plant hygiene by removing any fallen plant material as soon as possible.
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More Info on Moroccan Houseleek Growth and Care
Basic Care Guide
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Lighting
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
Moroccan houseleek thrives under intense solar exposure and can endure less light conditions. This resilient nature is formed in its native habitat, which is exposed to full solar illumination throughout the year. Insufficient sunshine can hinder growth and impede vibrant colors, while excess may stress the plant but normally doesn't cause severe damage.
Preferred
Tolerable
Unsuitable
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.
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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.
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
Moroccan houseleek is a beloved choice for indoor gardening, and they require strong light to thrive. However, when placed in rooms with suboptimal lighting, they may develop symptoms of light deficiency.
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(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 Moroccan houseleek 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
Moroccan houseleek 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
Moroccan houseleek require strong light to thrive, and some are remarkably resilient to sun exposure, rarely suffering from sunburn.
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(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.
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Temperature
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
Moroccan houseleek is native to regions with moderate climates, having temperature preferences ranging between 32 to 95 °F (0 to 35 ℃). It may need shade during hot summers to prevent overheating and mulching in winter for freeze protection.
Regional wintering strategies
Moroccan houseleek is a heat-loving plant that gradually stops growing and enters a dormant state during the winter. When the outdoor temperature drops below {Tolerable_growing_temperature_min}, it should be moved indoors for cultivation. Choose a location near a south-facing window to provide as much sunlight as possible. If there is insufficient natural light, supplemental lighting can be used. When the temperature falls below {Suitable_growth_temperature_min}, the plant's growth slows down, and watering should be reduced or stopped to prevent root rot. For Moroccan houseleek grown outdoors, watering should be completely halted during low temperatures. If feasible, you can set up a temporary greenhouse for insulation or use materials such as plastic film or fabric to wrap the plant during cold temperatures.
Important Symptoms
Symptoms of Low Temperature in Moroccan houseleek
Moroccan houseleek thrives in high temperatures and is not tolerant of low temperatures. It grows 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}, the plant may become weak, wilt, and be prone to root rot. In cases of mild frost damage, there may not be any initial symptoms, but after a week, the plant will gradually wither.
Solutions
Trim off the frostbitten areas, paying attention to whether the roots have rotted. If the roots have rotted, they need to be cut off, and the plant can be propagated through cuttings. Immediately move indoors to a warm environment and place the plant near a south-facing window to ensure ample sunlight. If there is insufficient light, you can use supplemental lighting.
Symptoms of High Temperature in Moroccan houseleek
During summer, Moroccan houseleek should be kept below {Suitable_growth_temperature_max}. When the temperature exceeds {Tolerable_growing_temperature_max}, the plant's growth will cease, it will experience water loss, wilting, and becomes more susceptible to sunburn.
Solutions
Remove the sunburned and rotten parts. Shield the plant from afternoon sunlight until it recovers and starts growing again. For plants with root rot, stop watering until new roots begin to emerge.
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