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Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Pittosporum tenuifolium
Also known as : Black matipo, Thin leaved pittosporum
Hardiness Zones
Hardiness Zones
7 to 10
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care guide

Care Guide for Kōhūhū

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Soil Care
Soil Care
Sand, Loam, Chalky, Neutral, Alkaline
Details on Soil Care Soil Care
Ideal Lighting
Ideal Lighting
Full sun, Partial sun
Details on Sunlight Requirements Ideal Lighting
Ideal Temperature
Ideal Temperature
7 to 10
Details on Temperature Ideal Temperature
Planting Time
Planting Time
Late spring
Details on Planting Time Planting Time
Harvest Time
Harvest Time
Fall
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Kōhūhū
Water
Water
Every 1-2 weeks
Sunlight
Sunlight
Full sun
Hardiness Zones
Hardiness Zones
7 to 10
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Questions About Kōhūhū

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What is the best way to water my Kōhūhū?
Your Kōhūhū will not be too picky about how you choose to water it. As such, you can use just about any common watering tool to moisten this plant’s soil. Watering cans, hoses, and even cups will work just fine when it is time to water your Kōhūhū. Regardless of which watering tool you use, you should typically apply the water directly to the soil. In doing so, you should ensure that you moisten all soil areas equally to give all parts of the root system the water it needs. It can help to use filtered water, as tap water can contain particles that are harmful to plants. It is also beneficial to use water that is at or slightly above room temperature, as colder or hotter water can be somewhat shocking to the Kōhūhū. However, the Kōhūhū usually responds well to any kind of water you give it.
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What should I do if I water my Kōhūhū too much or too little?
For outdoor plants, especially newly planted plants or plant seedlings, they can be prone to lack of watering. Remember that you need to keep watering enough for a few months when the tree is small or just planted. This is because once the roots are established, Kōhūhū can rely on rain most of the time. When your Kōhūhū is planted in pots, overwatering is often more likely to.When you accidentally overwater your Kōhūhū, you should be prepared to remedy the situation immediately. First, you should stop watering your plant right away to minimize the effect of your overwatering. After, you should consider removing your Kōhūhū from its pot to inspect its roots. If you find that none of the roots have developed root rot, it may be permissible to return your plant to its container. If you do discover signs of root rot, then you should trim away any roots that have been affected. You may also want to apply a fungicide to prevent further damage. Lastly, you should repot your Kōhūhū in soil that is well-draining. In the case of an underwatered Kōhūhū, simply water this plant more frequently. Underwatering is often an easy fix. If you underwater, the plant's leaves will tend to droop and dry out and fall off, and the leaves will quickly return to fullness after sufficient watering. Please correct your watering frequency as soon as underwatering occurs.
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How often should I water my Kōhūhū?
Most plants that grow naturally outdoors can be allowed to grow normally with rainfall. If your area lacks rainfall, consider giving your plants adequate watering every 2 weeks during the spring and fall. More frequent watering is needed in summer. In winter, when growth becomes slower and plants need less water, water more sparingly. Throughout the winter, you may not give it additional watering at all. If your Kōhūhū is young or newly planted, then you should water more frequently to help it establish, and mature and grow up to have more adaptable and drought tolerant plants. For potted plants, there are two main ways that you can determine how often to water your Kōhūhū. The first way is to set a predetermined watering schedule. If you choose this route, you should plan to water this plant about once every week or once every other week. However, this approach may not always work as it does not consider the unique conditions of the growing environment for your Kōhūhū . Your watering frequency can also change depending on the season. For instance, a predetermined watering schedule will likely not suffice during summer when this plant's water needs are highest. An alternative route is to set your watering frequency based on soil moisture. Typically, it is best to wait until the first two to four inches of soil, usually ⅓ to ½ depth of the pots, have dried out entirely before you give more water.
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How much water does my Kōhūhū need?
When it comes time to water your Kōhūhū, you may be surprised to find that this plant does not always need a high volume of water. Instead, if only a few inches of soil have dried since your last watering, you can support healthy growth in the Kōhūhū by giving it about five to ten ounces of water every time you water. You can also decide your water volume based on soil moisture. As mentioned above, you should note how many inches of soil have dried out between waterings. A surefire way to make sure your Kōhūhū gets the moisture it needs is to supply enough water to moisten all the soil layers that became dry since the last time you watered. If more than half of the soil has become dry, you should consider giving more water than usual. In those cases, continue adding water until you see excess water draining from your pot’s drainage holes. If your Kōhūhū is planted in an area that gets plenty of rain outdoors, it may not need additional watering. When the Kōhūhū is young or just getting established, make sure it gets 1-2 inches of rain per week. As it continues to grow and establish, it can survive entirely on rainwater and only when the weather is hot and there is no rainfall at all for 2-3 weeks, then consider giving your Kōhūhū a full watering to prevent them from suffering stress.
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How can I tell if i'm watering my Kōhūhū enough?
Overwatering is a far more common problem for the Kōhūhū, and there are several signs you should look for when this occurs. Generally, an overwatered Kōhūhū will have yellowing leaves and may even drop some leaves. Also, overwatering can cause the overall structure of your plant to shrivel and may also promote root rot. On the other hand, an underwatered Kōhūhū will also begin to wilt. It may also display leaves that are brown or brittle to the touch. Whether you see signs of overwatering or underwatering, you should be prepared to intervene and restore the health of your Kōhūhū.
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How can I water my Kōhūhū at different growth stages?
When the Kōhūhū is very young, such as when it is in a seedling stage, you will need to give it more water than you would if it were at a mature age. During the early stages of this plant’s life, it is important to keep the soil consistently moist to encourage root development. The same is true for any Kōhūhū that you have transplanted to a new growing location. Also, the Kōhūhū can develop showy flowers and fruits when you give them the correct care. If your Kōhūhū is in a flowering or fruiting phase, you will likely need to give a bit more water than you usually would to support these plant structures.
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How can I water my Kōhūhū through the seasons?
The seasonal changes will affect how often you water your Kōhūhū. Mainly, during the hottest summer months, you will likely need to increase how much you water this plant, especially if it grows in an area that receives ample sunlight. Strong summer sunlight can cause soil to dry out much faster than usual, meaning that you’ll need to water more frequently. By contrast, your Kōhūhū will need much less water during the winter, as it will not be in an active growing phase. During winter, you can get by with watering once every 2 to 3 weeks or sometimes not at all. For those growing this plant indoors, you should be somewhat wary of appliances such as air conditioners, which can cause your plant to dry out more quickly, which also calls for more frequent watering.
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What's the difference between watering my Kōhūhū indoors vs outdoors?
In some cases, your Kōhūhū may not need any supplemental watering when it grows outside and will survive on rainwater alone. However, if you live in an area of little to no rain, you should water this plant about every two weeks. If you belong to the group of people who live out of this plant's natural hardiness zone, you should grow it indoors. In an indoor setting, you should monitor your plant's soil as it can dry out more quickly when it is in a container or when it is exposed to HVAC units such as air conditioners. Those drying factors will lead you to water this plant a bit more often than if you grew it outdoors.
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Key Facts About Kōhūhū

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Attributes of Kōhūhū

Lifespan
Perennial
Plant Type
Tree
Planting Time
Late spring
Bloom Time
Spring, Summer
Harvest Time
Fall
Plant Height
4 m to 8 m
Spread
2.5 m to 4 m
Leaf Color
Green
Flower Size
1 cm
Flower Color
Purple
Fruit Color
Green
Black
Stem Color
Silver
Black
Dormancy
Winter dormancy
Leaf type
Evergreen
Ideal Temperature
15 - 35 ℃

Symbolism

Trivia and Interesting Facts

Scientific Classification of Kōhūhū

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Quickly Identify Kōhūhū

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Dark, almost black new stems
2
Glossy, medium green oval leaves with slightly wavy edge
3
Sweet-scented dark purple flowers in compact clusters
4
Small orange fruits after blooming period
5
Tolerant of seaside conditions and temperatures down to 15-20 °F ( -9 - -6 °C)
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Common Pests & Diseases About Kōhūhū

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Common issues for Kōhūhū based on 10 million real cases
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Leaf yellowing
Leaf yellowing is a common disease that could affect Kōhūhū plants, primarily caused by nutrient deficiencies or continuous exposure to unfavorable conditions. The ailment severely affects plant vigor and growth, often leading to poor aesthetic appeal or plant death if untreated.
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.
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.
Nutrient deficiencies
Nutrient deficiencies Nutrient deficiencies
Nutrient deficiencies
A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.
Solutions: There are several easy ways to remedy the nutrient deficiencies in soils. Use a water-soluble fertilizer. Fertilizers will include most or all of the macro and micro-nutrients the plants need to thrive. Adding some fertilizer to the soil will make those nutrients available and can combat deficiencies. Regularly apply organic fertilizer pellets. Organic fertilizers such as animal manures and bonemeal can supply plants with all the nutrients that they need to grow strong and healthy. Apply compost. Though not as finely tuned as artificial fertilizer, compost can nevertheless be rich in important nutrients and should be applied to the soil regularly. Apply nutrients via foliar application. In addition to supplementing the soil with nutrients, foliar fertilizer can be applied directly to the plant's leaves. Nutrients offered via foliar application are often taken up even quicker than those put in the soil, so the foliar application can be great for swiftly addressing specific deficiencies.
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Leaf yellowing
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf yellowing Disease on Kōhūhū?
What is Leaf yellowing Disease on Kōhūhū?
Leaf yellowing is a common disease that could affect Kōhūhū plants, primarily caused by nutrient deficiencies or continuous exposure to unfavorable conditions. The ailment severely affects plant vigor and growth, often leading to poor aesthetic appeal or plant death if untreated.
Symptom Analysis
Symptom Analysis
The most noticeable symptom in Kōhūhū is the development of yellow leaves across the entire plant. This could initially happen in random patches or specific areas, gradually covering a large portion of the plant. The leaves may also fall prematurely.
What Causes Leaf yellowing Disease on Kōhūhū?
What Causes Leaf yellowing Disease on Kōhūhū?
1
Nutrient deficiency
Inadequate nutrient availability for Kōhūhū, especially Nitrogen, Potassium, and Magnesium, can lead to leaf yellowing.
2
Environmental factors
Continual exposure to unfavorable environmental conditions such as overwatering, poor drainage, or low light levels can also cause leaf yellowing in Kōhūhū.
How to Treat Leaf yellowing Disease on Kōhūhū?
How to Treat Leaf yellowing Disease on Kōhūhū?
1
Non pesticide
Proper Nutrition: Ensure the Kōhūhū receives a balanced fertilizer that contains all essential nutrients, especially Nitrogen, Magnesium, and Potassium.

Optimal Growing Conditions: Improve environmental conditions; the plant should receive ample light and sit in well-draining soil to avoid waterlogged conditions.
2
Pesticide
Application of Fungicides: Although not a typical remedy for nutrient-induced leaf yellowing, fungicides can be used when fungal pathogens are suspected.
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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.
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Brown spot
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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.
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Nutrient deficiencies
plant poor
Nutrient deficiencies
A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.
Overview
Overview
Nutrient deficiencies can be seen in many different ways on plants. Basically, the lack of nutrients will inhibit plant growth, produce weak stems and leaves, and leave plants open to infection from pests and diseases. Plants use the nutrients from the soil to help them with photosynthesis. This, in turn, produces healthy plant growth. Plants that lack adequate amounts of nutrients will look lackluster and unhealthy. Eventually, if this is not addressed, it will cause the plants to die. The most important nutrients that plants need are nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Additionally, plants require small amounts of micronutrients such as iron, boron, manganese, zinc, copper, and molybdenum.
Symptom Analysis
Symptom Analysis
A common sign that plants are experiencing nutrient deficiencies is the yellowing of leaves. This may be an overall yellowing or leaves that are yellow but still have green veins. These leaves will eventually brown off and die.
Another sign is the loss of plant vigor. The plants may not be growing as well as they should or their growth may be stunted.
Below are some common symptoms that appear when plants are lacking in nutrients.
Nitrogen (N): Inner, older leaves yellow first. If the deficiency is severe, yellowing progresses outward to newer growth.
Potassium (K): Leaf edges may turn brown and crinkly, with a yellowing layer forming just inside of the edge. Older leaves tend to be impacted first.
Phosphorus (P): Lack of vigorous growth. Plants will appear stunted.
Zinc (Zn): Yellowing tends to occur first at the base of the leaf.
Copper (Cu): Newer leaves begin to yellow first, with older leaves yellowing only if the deficiency becomes severe.
Boron (B): Newer leaves are impacted first. Foliage may also become particularly brittle in cases of boron deficiency.
Disease Cause
Disease Cause
There are several factors that can lead to nutrient deficiencies, a situation where plants are not receiving the nutrients that they need. This could be because they are planted in nutrient-deficient soils, or that the soil's pH is too high or low. Incorrect soil pH can lock up certain nutrients, thus making them unavailable to plants. Lack of soil moisture can also be a problem, because plants need water to be able to absorb the nutrients from the soil.
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Distribution of Kōhūhū

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Habitat of Kōhūhū

Coastal to lower montane forests
Northern Hemisphere
South Hemisphere

Distribution Map of Kōhūhū

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Kōhūhū Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Lighting
Full sun
Kōhūhū is a plant that thrives under extensive sun exposure for optimum growth. It also tolerates moderate light setting, suggestive of its adaptive nature. However, an imbalance of light, either too less or surplus, may cause stunted growth or sunburns, respectively. Its native environment is constituted of abundant sunlight.
Best Sunlight Practices
Transplant
5-6 feet
For kōhūhū, the cusp of warm weather post-spring is perfect for relocation, promoting robust root growth. Choose bright, well-draining spots and gently introduce them to their new home for best vitality.
Transplant Techniques
Temperature
-10 - 41 ℃
Kōhūhū is a hardy plant originating in warmer climates and prefers a temperature range of 59 to 95°F (15 to 35℃). It adapts well to seasonal temperature variations but moderate the environment when extreme temperatures occur.
Temp for Healthy Growth
Pruning
Winter
Native to New Zealand, kōhūhū is an evergreen shrub with attractive foliage and fragrant flowers. Prune to maintain shape, remove dead or crossed branches, and promote dense growth. The ideal time for pruning is winter, post-flowering. Light trimming can encourage bushier growth. Pruning this species can also rejuvenate old specimens by cutting back hard, though this should be done sparingly. The benefits of pruning kōhūhū include enhanced plant health, improved appearance, and better air circulation.
Pruning techniques
Propagation
Autumn,Winter
To propagate kōhūhū, take semi-hardwood cuttings which have a higher chance of successful rooting. Use a sharp, sanitized tool to minimize damage and disease risk. Cuttings should be treated with rooting hormone before being placed in a well-drained, moist propagation medium. Maintain stable humidity and temperature to encourage root development. Once established, transplant the young plants to suitable locations with well-draining soil and partial to full sunlight.
Propagation Techniques
Overwinter
-10 - 41 ℃
Kōhūhū thrives in its native New Zealand, a mild climate well-suited for this evergreen's resilience. Naturally, it withstands winter frosts, merely slowing its growth. Gardeners should ensure kōhūhū is plant-sited for sun to partial shade and monitor soil moisture. Mild winter pruning may support spring vitality. Despite winter chills, kōhūhū stands defiant, testament to its inherent ruggedness.
Winter Techniques
Leaf yellowing
Leaf yellowing is a common disease that could affect Kōhūhū plants, primarily caused by nutrient deficiencies or continuous exposure to unfavorable conditions. The ailment severely affects plant vigor and growth, often leading to poor aesthetic appeal or plant death if untreated.
Read More
Mealybug
Mealybug disease on Kōhūhū causes stunted growth and leaf discoloration. These pests feed on sap, weakening Kōhūhū significantly, leading to potential plant death if uncontrolled.
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Spots
Spots is a common plant disease that typically causes unsightly dark blemishes on the leaves and stem of Kōhūhū. It can lead to significant aesthetic damage and stunted growth if left untreated. Various pathogens can cause these spots, each varying in severity and impact.
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Branch withering
Branch withering in Kōhūhū is a disease that causes the loss of foliage and dieback of branches, potentially leading to plant death. The disease is detrimental, particularly within aesthetic and production contexts.
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Scars
Scars is a plant disease affecting the health of Kōhūhū. It is prevalent on the leaves and bark, leading to severe discoloration, tissue damage, and stunted growth. If untreated, it may cause the plant to die, but it is generally controllable through proper protocols.
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Leaf malformation
Leaf malformation in Kōhūhū is characterized by distorted, twisted, or irregular leaves. It hampers the aesthetic appeal and potentially the health of the plant, indicating underlying problems.
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Non-base branch withering
Non-base branch withering refers to the disease causing progressive dieback of Kōhūhū's branches, initially visible as leaf wilting, discoloration, and eventual branch death, potentially leading to whole-plant decline if untreated.
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Leaf drop
Leaf drop is a disease affecting various plants, including Kōhūhū, causing significant foliage loss. It results from several potential factors, such as pests, bacteria, or environmental stresses, leading to diminished plant health, aesthetics, and functionality.
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Whole leaf withering
Whole leaf withering refers to a disease causing severe wilting and dying of leaves in Kōhūhū. It impacts the plant's vigor and aesthetics, potentially leading to death if unmanaged.
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Scale insect
Scale insects are pests that attach themselves to Kōhūhū, sucking sap and weakening the plant. These pests can cause yellowing leaves and stunted growth, significantly impacting plant health.
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Leaf blotch
Leaf blotch on Kōhūhū is a fungal disease causing irregular dark patches on leaves. The infection leads to defoliation and aesthetic decline, potentially stressing the plant.
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Dark spots
Dark spots on Kōhūhū are a fungal or environmental-induced disease causing aesthetic and potential physiological damage. Early detection and management are essential for the health of the plant.
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Dark blotch
Dark blotch is a destructive plant disease mostly afflicting Kōhūhū, causing patchy discoloration often accompanied by leaf curling. The disease can negatively impact growth and appearance if left untreated.
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Yellow edges
Yellow edges is a common disease affecting Kōhūhū, causing discoloration and eventual degradation of the leaves. This results due to environmental stress or pathogenic infection, influencing plant’s overall health and growth.
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Leaf tip withering
Leaf tip withering is a disease that can afflict a Kōhūhū, causing its leaf tips to dry and shrivel. If unattended, this can lead to decreased plant health and potentially plant death.
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Black mold
Black mold is a fungal disease that affects Kōhūhū, causing discolored, darkened leaves and potentially reduced vigor. Given the right conditions, the disease can spread rapidly and impact the plant's aesthetics and health.
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Feng shui direction
South
As per Feng Shui paradigms, the kōhūhū could symbolize resilience and vitality due to its evergreen and hardy nature. It is proposed to be compatible with a South-facing direction as the South is associated with the element of Fire in Feng Shui, promoting growth and vivacity, much like the inherent characteristics of the kōhūhū. However, individual experiences and perspectives may alter this interpretation.
Fengshui Details
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Plants Related to Kōhūhū

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Wood sanicle
Wood sanicle
Wood sanicle is a perennial plant. Its flowers are attached to umbels, followed by bristly seeds that easily attach to clothing or animal fur, making it easily distributed. The leaves contain toxic saponins that when added to water and shaken create foam, historically used for cleaning and disinfecting. Its Latin name (Sanicula europaea) comes from Sanicula, meaning "healthy."
Wood pink
Wood pink
The stone carnation is a perennial, overwintering green hemicryptophyte. It reaches stature heights between 10 and 30 centimeters. It forms upholstery turf. The simple or upwardly branched stems are bare. The dark green, narrow-linear and rinnigen leaves reach 5 to 10 cm in length. The flowers are red to reddish-violet.
Wood crane's-bill
Wood crane's-bill
Wood crane's-bill (Geranium sylvaticum) is a deciduous perennial that will grow to 61 cm tall and 76 cm wide. It blooms in late spring to early summer with gorgeous bright violet-blue flowers. Blossoms are cup-shaped with contrasting white centers. Thrives in full sun or partial shade and makes a great addition to cottage gardens, beds and borders. Cut back dead leaves and faded flowers to encourage new growth and more blooms.
Winter's bark
Winter's bark
Winter's bark (Drimys winteri) is a popular ornamental tree that is grown for its evergreen leaves, elegant white flowers, and its narrow crown which allows it to slot into small spaces in the garden. In Chile, this tree is planted in valleys to help prevent flooding. The tree's red wood has an attractive grain and is used to make musical instruments and furniture.
Winter hyacinth
Winter hyacinth
Winter hyacinth is a sought-after ornamental plant as well as a wildflower for the bell-shaped flowers. One reason for its gross popularity is that the seeds can be planted at any time of year.
Winged-stem passion flower
Winged-stem passion flower
Passiflora alata, the winged-stem passion flower, is a species of flowering plant. It is an evergreen vine, growing to 6 m or more, which bears an edible type of passion fruit. It is native to the Amazon, from Peru to eastern Brazil.
Cape jasmine
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
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.
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Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Kōhūhū
Pittosporum tenuifolium
Also known as: Black matipo, Thin leaved pittosporum
Hardiness Zones
Hardiness Zones
7 to 10
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Care Guide for Kōhūhū

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Questions About Kōhūhū

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Watering Watering Watering
Pruning Pruning Pruning
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Temperature Temperature Temperature
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Key Facts About Kōhūhū

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Attributes of Kōhūhū

Lifespan
Perennial
Plant Type
Tree
Planting Time
Late spring
Bloom Time
Spring, Summer
Harvest Time
Fall
Plant Height
4 m to 8 m
Spread
2.5 m to 4 m
Leaf Color
Green
Flower Size
1 cm
Flower Color
Purple
Fruit Color
Green
Black
Stem Color
Silver
Black
Dormancy
Winter dormancy
Leaf type
Evergreen
Ideal Temperature
15 - 35 ℃
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Symbolism

Trivia and Interesting Facts

Scientific Classification of Kōhūhū

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Quickly Identify Kōhūhū

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1
Dark, almost black new stems
2
Glossy, medium green oval leaves with slightly wavy edge
3
Sweet-scented dark purple flowers in compact clusters
4
Small orange fruits after blooming period
5
Tolerant of seaside conditions and temperatures down to 15-20 °F ( -9 - -6 °C)
Kōhūhū identify image Kōhūhū identify image Kōhūhū identify image Kōhūhū identify image Kōhūhū identify image
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Common Pests & Diseases About Kōhūhū

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Leaf yellowing
Leaf yellowing is a common disease that could affect Kōhūhū plants, primarily caused by nutrient deficiencies or continuous exposure to unfavorable conditions. The ailment severely affects plant vigor and growth, often leading to poor aesthetic appeal or plant death if untreated.
Learn More About the Leaf yellowing 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
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
Nutrient deficiencies
Nutrient deficiencies Nutrient deficiencies Nutrient deficiencies
A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.
Solutions: There are several easy ways to remedy the nutrient deficiencies in soils. Use a water-soluble fertilizer. Fertilizers will include most or all of the macro and micro-nutrients the plants need to thrive. Adding some fertilizer to the soil will make those nutrients available and can combat deficiencies. Regularly apply organic fertilizer pellets. Organic fertilizers such as animal manures and bonemeal can supply plants with all the nutrients that they need to grow strong and healthy. Apply compost. Though not as finely tuned as artificial fertilizer, compost can nevertheless be rich in important nutrients and should be applied to the soil regularly. Apply nutrients via foliar application. In addition to supplementing the soil with nutrients, foliar fertilizer can be applied directly to the plant's leaves. Nutrients offered via foliar application are often taken up even quicker than those put in the soil, so the foliar application can be great for swiftly addressing specific deficiencies.
Learn More About the Nutrient deficiencies more
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Leaf yellowing
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf yellowing Disease on Kōhūhū?
What is Leaf yellowing Disease on Kōhūhū?
Leaf yellowing is a common disease that could affect Kōhūhū plants, primarily caused by nutrient deficiencies or continuous exposure to unfavorable conditions. The ailment severely affects plant vigor and growth, often leading to poor aesthetic appeal or plant death if untreated.
Symptom Analysis
Symptom Analysis
The most noticeable symptom in Kōhūhū is the development of yellow leaves across the entire plant. This could initially happen in random patches or specific areas, gradually covering a large portion of the plant. The leaves may also fall prematurely.
What Causes Leaf yellowing Disease on Kōhūhū?
What Causes Leaf yellowing Disease on Kōhūhū?
1
Nutrient deficiency
Inadequate nutrient availability for Kōhūhū, especially Nitrogen, Potassium, and Magnesium, can lead to leaf yellowing.
2
Environmental factors
Continual exposure to unfavorable environmental conditions such as overwatering, poor drainage, or low light levels can also cause leaf yellowing in Kōhūhū.
How to Treat Leaf yellowing Disease on Kōhūhū?
How to Treat Leaf yellowing Disease on Kōhūhū?
1
Non pesticide
Proper Nutrition: Ensure the Kōhūhū receives a balanced fertilizer that contains all essential nutrients, especially Nitrogen, Magnesium, and Potassium.

Optimal Growing Conditions: Improve environmental conditions; the plant should receive ample light and sit in well-draining soil to avoid waterlogged conditions.
2
Pesticide
Application of Fungicides: Although not a typical remedy for nutrient-induced leaf yellowing, fungicides can be used when fungal pathogens are suspected.
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Aged yellow and dry
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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.
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Brown spot
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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.
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Nutrient deficiencies
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Nutrient deficiencies
A lack of nutrients will cause a widespread yellowing of the leaves. The yellowing may begin at the base or top of the plant.
Overview
Overview
Nutrient deficiencies can be seen in many different ways on plants. Basically, the lack of nutrients will inhibit plant growth, produce weak stems and leaves, and leave plants open to infection from pests and diseases. Plants use the nutrients from the soil to help them with photosynthesis. This, in turn, produces healthy plant growth. Plants that lack adequate amounts of nutrients will look lackluster and unhealthy. Eventually, if this is not addressed, it will cause the plants to die. The most important nutrients that plants need are nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur. Additionally, plants require small amounts of micronutrients such as iron, boron, manganese, zinc, copper, and molybdenum.
Symptom Analysis
Symptom Analysis
A common sign that plants are experiencing nutrient deficiencies is the yellowing of leaves. This may be an overall yellowing or leaves that are yellow but still have green veins. These leaves will eventually brown off and die.
Another sign is the loss of plant vigor. The plants may not be growing as well as they should or their growth may be stunted.
Below are some common symptoms that appear when plants are lacking in nutrients.
Nitrogen (N): Inner, older leaves yellow first. If the deficiency is severe, yellowing progresses outward to newer growth.
Potassium (K): Leaf edges may turn brown and crinkly, with a yellowing layer forming just inside of the edge. Older leaves tend to be impacted first.
Phosphorus (P): Lack of vigorous growth. Plants will appear stunted.
Zinc (Zn): Yellowing tends to occur first at the base of the leaf.
Copper (Cu): Newer leaves begin to yellow first, with older leaves yellowing only if the deficiency becomes severe.
Boron (B): Newer leaves are impacted first. Foliage may also become particularly brittle in cases of boron deficiency.
Disease Cause
Disease Cause
There are several factors that can lead to nutrient deficiencies, a situation where plants are not receiving the nutrients that they need. This could be because they are planted in nutrient-deficient soils, or that the soil's pH is too high or low. Incorrect soil pH can lock up certain nutrients, thus making them unavailable to plants. Lack of soil moisture can also be a problem, because plants need water to be able to absorb the nutrients from the soil.
Solutions
Solutions
There are several easy ways to remedy the nutrient deficiencies in soils.
  1. Use a water-soluble fertilizer. Fertilizers will include most or all of the macro and micro-nutrients the plants need to thrive. Adding some fertilizer to the soil will make those nutrients available and can combat deficiencies.
  2. Regularly apply organic fertilizer pellets. Organic fertilizers such as animal manures and bonemeal can supply plants with all the nutrients that they need to grow strong and healthy.
  3. Apply compost. Though not as finely tuned as artificial fertilizer, compost can nevertheless be rich in important nutrients and should be applied to the soil regularly.
  4. Apply nutrients via foliar application. In addition to supplementing the soil with nutrients, foliar fertilizer can be applied directly to the plant's leaves. Nutrients offered via foliar application are often taken up even quicker than those put in the soil, so the foliar application can be great for swiftly addressing specific deficiencies.
Prevention
Prevention
There are several easy ways to prevent nutrient deficiencies in plants.
  1. Regular fertilizing. Regular addition of fertilizer to the soil is one of the simplest and most effective ways to prevent deficiencies.
  2. Proper watering. Both over and under watering can adversely impact a plant's roots, which in turn makes it harder for them to properly take up nutrients.
  3. Testing the soil's pH. A soil's acidity or alkalinity will impact the degree to which certain nutrients are available to be taken up by plants. Knowing the soil's pH means it can be amended to suit the needs of the individual plants.
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distribution

Distribution of Kōhūhū

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Habitat of Kōhūhū

Coastal to lower montane forests
Northern Hemisphere
South Hemisphere

Distribution Map of Kōhūhū

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Kōhūhū Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Leaf yellowing
Leaf yellowing is a common disease that could affect Kōhūhū plants, primarily caused by nutrient deficiencies or continuous exposure to unfavorable conditions. The ailment severely affects plant vigor and growth, often leading to poor aesthetic appeal or plant death if untreated.
 detail
Mealybug
Mealybug disease on Kōhūhū causes stunted growth and leaf discoloration. These pests feed on sap, weakening Kōhūhū significantly, leading to potential plant death if uncontrolled.
 detail
Spots
Spots is a common plant disease that typically causes unsightly dark blemishes on the leaves and stem of Kōhūhū. It can lead to significant aesthetic damage and stunted growth if left untreated. Various pathogens can cause these spots, each varying in severity and impact.
 detail
Branch withering
Branch withering in Kōhūhū is a disease that causes the loss of foliage and dieback of branches, potentially leading to plant death. The disease is detrimental, particularly within aesthetic and production contexts.
 detail
Scars
Scars is a plant disease affecting the health of Kōhūhū. It is prevalent on the leaves and bark, leading to severe discoloration, tissue damage, and stunted growth. If untreated, it may cause the plant to die, but it is generally controllable through proper protocols.
 detail
Leaf malformation
Leaf malformation in Kōhūhū is characterized by distorted, twisted, or irregular leaves. It hampers the aesthetic appeal and potentially the health of the plant, indicating underlying problems.
 detail
Non-base branch withering
Non-base branch withering refers to the disease causing progressive dieback of Kōhūhū's branches, initially visible as leaf wilting, discoloration, and eventual branch death, potentially leading to whole-plant decline if untreated.
 detail
Leaf drop
Leaf drop is a disease affecting various plants, including Kōhūhū, causing significant foliage loss. It results from several potential factors, such as pests, bacteria, or environmental stresses, leading to diminished plant health, aesthetics, and functionality.
 detail
Whole leaf withering
Whole leaf withering refers to a disease causing severe wilting and dying of leaves in Kōhūhū. It impacts the plant's vigor and aesthetics, potentially leading to death if unmanaged.
 detail
Scale insect
Scale insects are pests that attach themselves to Kōhūhū, sucking sap and weakening the plant. These pests can cause yellowing leaves and stunted growth, significantly impacting plant health.
 detail
Leaf blotch
Leaf blotch on Kōhūhū is a fungal disease causing irregular dark patches on leaves. The infection leads to defoliation and aesthetic decline, potentially stressing the plant.
 detail
Dark spots
Dark spots on Kōhūhū are a fungal or environmental-induced disease causing aesthetic and potential physiological damage. Early detection and management are essential for the health of the plant.
 detail
Dark blotch
Dark blotch is a destructive plant disease mostly afflicting Kōhūhū, causing patchy discoloration often accompanied by leaf curling. The disease can negatively impact growth and appearance if left untreated.
 detail
Yellow edges
Yellow edges is a common disease affecting Kōhūhū, causing discoloration and eventual degradation of the leaves. This results due to environmental stress or pathogenic infection, influencing plant’s overall health and growth.
 detail
Leaf tip withering
Leaf tip withering is a disease that can afflict a Kōhūhū, causing its leaf tips to dry and shrivel. If unattended, this can lead to decreased plant health and potentially plant death.
 detail
Black mold
Black mold is a fungal disease that affects Kōhūhū, causing discolored, darkened leaves and potentially reduced vigor. Given the right conditions, the disease can spread rapidly and impact the plant's aesthetics and health.
 detail
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Plants Related to Kōhūhū

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Lighting
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Outdoor
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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
Kōhūhū is a plant that thrives under extensive sun exposure for optimum growth. It also tolerates moderate light setting, suggestive of its adaptive nature. However, an imbalance of light, either too less or surplus, may cause stunted growth or sunburns, respectively. Its native environment is constituted of abundant sunlight.
Preferred
Tolerable
Unsuitable
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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.
Important Symptoms
Symptoms of Insufficient Light in %s
Kōhūhū thrives in full sunlight but is sensitive to heat. As a plant commonly grown outdoors with abundant sunlight, it may exhibit subtle symptoms of light deficiency when placed in rooms with suboptimal lighting.
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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 Kōhūhū 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
Kōhūhū 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
Kōhūhū thrives in full sun exposure but is sensitive to heat. Although sunburn symptoms occasionally occur, they are unable to withstand intense sunlight in high-temperature environments.
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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
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Outdoor
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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
Kōhūhū is a hardy plant originating in warmer climates and prefers a temperature range of 59 to 95°F (15 to 35℃). It adapts well to seasonal temperature variations but moderate the environment when extreme temperatures occur.
Regional wintering strategies
Kōhūhū 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 wrapping the trunk and branches with materials such as non-woven fabric or cloth. 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 Kōhūhū
Kōhūhū 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, the branches may become brittle and dry during springtime, and no new shoots will emerge.
Solutions
In spring, prune away any dead branches that have failed to produce new leaves.
Symptoms of High Temperature in Kōhūhū
During summer, Kōhūhū 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, the tips may become dry and withered, and the plant becomes more susceptible to sunburn.
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 information about plant diseases, toxicity, weed control and more.
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