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Perny's holly
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Ilex pernyi
Perny's holly is a popular architectural plant frequently used in cottage and coastal gardens due to its interesting diamond-shaped leaves and attractive red berries. It also makes an ideal natural screen and is well-suited to city gardens due to its resistance to pollution. This plant's seeds are poisonous.
Hardiness Zones
Hardiness Zones
6 to 9
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Care Guide for Perny's holly

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Soil Care
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Sand, Loam, Acidic, Neutral, Alkaline
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Ideal Lighting
Partial sun, Full sun
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Ideal Temperature
Ideal Temperature
6 to 9
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Perny's holly
Water
Water
Every 2-3 weeks
Sunlight
Sunlight
Partial sun
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Questions About Perny's holly

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
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What is the best way to water my Perny's holly?
Your Perny's holly 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 Perny's holly. 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 Perny's holly. However, the Perny's holly usually responds well to any kind of water you give it.
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What should I do if I water my Perny's holly 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, Perny's holly can rely on rain most of the time.
When your Perny's holly is planted in pots, overwatering is often more likely to.When you accidentally overwater your Perny's holly, 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 Perny's holly 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 Perny's holly in soil that is well-draining. In the case of an underwatered Perny's holly, 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 Perny's holly?
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 Perny's holly 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 Perny's holly. 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 Perny's holly .
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 Perny's holly need?
When it comes time to water your Perny's holly, 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 Perny's holly 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 Perny's holly 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 Perny's holly is planted in an area that gets plenty of rain outdoors, it may not need additional watering. When the Perny's holly 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 Perny's holly a full watering to prevent them from suffering stress.
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How can I tell if i'm watering my Perny's holly enough?
Overwatering is a far more common problem for the Perny's holly, and there are several signs you should look for when this occurs. Generally, an overwatered Perny's holly 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 Perny's holly 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 Perny's holly.
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How can I water my Perny's holly at different growth stages?
When the Perny's holly 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 Perny's holly that you have transplanted to a new growing location. Also, the Perny's holly can develop showy flowers and fruits when you give them the correct care. If your Perny's holly 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 Perny's holly through the seasons?
The seasonal changes will affect how often you water your Perny's holly. 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 Perny's holly 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.
Read More more
What's the difference between watering my Perny's holly indoors vs outdoors?
In some cases, your Perny's holly 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 Perny's holly

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Attributes of Perny's holly

Lifespan
Perennial
Plant Type
Shrub
Bloom Time
Spring
Plant Height
2.5 m to 3.5 m
Spread
1.2 m to 1.8 m
Leaf Color
Green
Blue
Flower Size
2.5 cm
Flower Color
Yellow
Green
Gold
Fruit Color
Red
Burgundy
Stem Color
Green
Leaf type
Evergreen
Ideal Temperature
10 - 35 ℃
Growth Season
Spring
Growth Rate
Slow

Scientific Classification of Perny's holly

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pests

Common Pests & Diseases About Perny's holly

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Common issues for Perny's holly based on 10 million real cases
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.
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.
Black spot
Black spot Black spot
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Solutions: Some steps to take to address black spot include: Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves. Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash. Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil. Use a spreader in the fungicide spray to ensure better coverage.
Branch blight
Branch blight Branch blight
Branch blight
Branch blight can cause lignified branches to dry up entirely and die.
Solutions: Inspect trees frequently, and remove any infected branches as soon as possible. Branch blight cannot be cured, so the only treatment is to prune the tree and monitor it carefully for signs of the disease. All affected parts of the tree should be removed, since blight can survive over the winter inside the plant’s tissues. Blight can become systemic in the tree, in which case the entire plant should be removed so it does not remain a host for the pathogen and allow it to spread.
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Brown spot
plant poor
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Overview
Overview
Discolored spots on the foliage of plants are one of the most common disease problems people observe. These spots are caused by fungal and bacterial diseases, with most infections related to a fungal pathogen.
Brown spot can occurs on all houseplants, flowering ornamentals, vegetable plants, and leaves of trees, bushes, and shrubs. No plants are resistant to it, and the problem is worse in warm, wet environments. It can occur at any point in the life stage as long as leaves are present.
Small brownish spots appear on the foliage and enlarge as the disease progresses. In severe cases, the plant or tree is weakened when the lesions interrupt photosynthesis or cause defoliation.
Symptom Analysis
Symptom Analysis
In most cases, brown spot only affects a small percentage of the whole plant, appearing on a small amount of the leaves. A small infection only puts minor stress on the plant. However, if left untreated and the disease progresses over numerous seasons, it will severely impact the health and productivity of the infected specimen.
  • Sporulation begins (reproduction of the fungal spores), and tiny spots appear on leaves.
  • Placement is often random and scattered as diseases are spread through raindrops.
  • May appear on lower leaves and the interior of the plant where humidity is higher.
  • Brown spots enlarge and grow large enough to touch neighboring spots to form a more prominent blotch.
  • Leaf margins may turn yellow.
  • Tiny black dots (fruiting bodies of the fungi) appear in the dead spots.
  • Blotches grow in size until the entire leaf is brown.
  • The leaf falls off the plant.
Severe Symptoms
  • Partial or complete premature defoliation
  • Reduced growth
  • Increased susceptibility to pests and other diseases
Disease Cause
Disease Cause
Brown spot, or leaf spot, is a common descriptive term given to several diseases affecting the leaves of plants and trees. Around 85% of diseases exhibiting leaf spots are due to fungus or fungus-like organisms. Sometimes brown spot is caused by a bacterial infection, or insect activity with similar symptoms.
When conditions are warm and the leaf surfaces are wet, fungal spores being transported by wind or rain land on the surface and cling to it. They do not rupture the cell walls but grow in the space between the plant plasma membrane and the plant cell wall. As the spores reproduce, they release toxins and enzymes that cause necrotic spots (i.e., dead tissue) on the leaves, allowing the fungi to consume the products released when the cells degrade.
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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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Black spot
plant poor
Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Overview
Overview
Black spot is a fungus that largely attacks leaves on a variety of ornamental plants, leaving them covered in dark spots ringed with yellow, and eventually killing them. The fungus is often simply unsightly, but if it infects the whole plant it can interfere with photosynthesis by killing too many leaves. Because of this, it is important to be aware of the best methods for preventing and treating this diseases should it occur in the garden.
Symptom Analysis
Symptom Analysis
Here are a few of the most common symptoms of black spot:
  • The plant has developed small black spots along the leaves.
  • These spots be small, circular, and clustered together, or they may have a splotchy appearance and take up large portions of the leaves.
  • The fungus may also affect plant canes, where lesions start purple and then turn black.
  • The plant may suffer premature leaf drop.
Though most forms of black spot fungus pose little risk to a plant's overall health, many gardeners find them unsightly. Severe cases can also weaken a plant, so it becomes more susceptible to other pathogens and diseases.
Disease Cause
Disease Cause
Black spot is spread by various types of fungi, which differ slightly depending on whether they are in their sexual or asexual stages.
The fungal spores linger over the winter in fallen leaves and lesions on canes. In the spring, the spores are splashed up onto the leaves, causing infection within seven hours of moisture and when temperatures range between 24 to 29 ℃ with a high relative humidity.
In just two weeks, thousands of additional spores are produced, making it easy for the disease to infect nearby healthy plants as well.
There are several factors that could make a plant more likely to suffer a black spot infection. Here are some of the most common:
  • Exposure to infected plants or mulch (the fungus overwinters on dead leaves)
  • Weakening from physical damage, pest infestation or other infections.
  • Increased periods of wet, humid, warm weather – or exposure to overhead watering
  • Plants growing too close together
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Branch blight
plant poor
Branch blight
Branch blight can cause lignified branches to dry up entirely and die.
Overview
Overview
"Blight" is an umbrella term used to describe a category of tree diseases caused by fungus or bacteria. Branch blight occurs when fungus attacks the branches and twigs of a tree, resulting in branches slowly dying off.
Branch blight can affect most species of trees to some degree, and it may be called by different names including twig blight or stem blight. It is caused by a variety of fungi which attack branches first, especially immature growth.
Blight usually occurs in warm, humid conditions, so is most common in the spring and summer months. Because specific environmental conditions are required, the frequency of branch blight can vary from year to year. This makes the disease hard to control, as it can spread between trees and affect multiple plants in a short period of time.
In the worst-case scenario, trees can lose significant portions of their foliage and fail to produce fruit. Young or unhealthy trees could die off completely.
Symptom Analysis
Symptom Analysis
The first symptoms of branch blight are that the emerging foliage turns brown or gray at the tips, especially on the smallest branches. Brown spots cover the entire surface of the leaves, eventually causing leaves and stems to shrivel and fall off. Over time, the dying tissue will spread toward the center of the plant. If left untreated, spores from the attacking fungus may appear on dying foliage within 3-4 weeks of the infection.
In some cases, lesions may form at the spot where the twig branches off from the healthy tissue. Branches may display girdling, which is a band of damaged tissue encircling the branch. An untreated tree will eventually lose all of its foliage and die.
Disease Cause
Disease Cause
  • Pathogens on young twigs and foliage cause disease
  • Stressed and unhealthy trees are more susceptible - root injury due to physical or insect damage, infection, or aging can prevent adequate absorption of water and nutrients
  • Extremely wet conditions including sprinkler watering can attract fungus
  • Fungi can be transmitted between nearby trees
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distribution

Distribution of Perny's holly

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Distribution Map of Perny's holly

Perny's holly is native to woodlands in Eastern Asia. Its range naturally extends across subtropical and temperate zones within this region. Beyond its natural habitat, perny's holly has been introduced to various other locations for cultivation, owing to its adaptability to diverse climates. It thrives when translocated to environments that approximate its native woodland conditions, occurring in both private and botanical collections.
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Perny's Holly Growth and Care

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Basic Care Guide
Lighting
Partial sun
Perny's holly thrives in locations that are exposed to moderate levels of sun, although it can withstand areas with more sun exposure. Its origin habitat, likely a forest understory, indicates adaptation to varying sun conditions. While the plant tolerates substantial sunlight, too much sun may cause leaf scorch, while not enough may inhibit its healthy growth.
Best Sunlight Practices
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Plants Related to Perny's holly

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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.
Pepper
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
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
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
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
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
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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Related Plants
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Perny's holly
Ilex pernyi
Perny's holly is a popular architectural plant frequently used in cottage and coastal gardens due to its interesting diamond-shaped leaves and attractive red berries. It also makes an ideal natural screen and is well-suited to city gardens due to its resistance to pollution. This plant's seeds are poisonous.
Hardiness Zones
Hardiness Zones
6 to 9
care guide

Care Guide for Perny's holly

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Questions About Perny's holly

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Fertilizing Fertilizing Fertilizing
What is the best way to water my Perny's holly?
more
What should I do if I water my Perny's holly too much or too little?
more
How often should I water my Perny's holly?
more
How much water does my Perny's holly need?
more
How can I tell if i'm watering my Perny's holly enough?
more
How can I water my Perny's holly at different growth stages?
more
How can I water my Perny's holly through the seasons?
more
What's the difference between watering my Perny's holly indoors vs outdoors?
more
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Key Facts About Perny's holly

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Feedback
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Attributes of Perny's holly

Lifespan
Perennial
Plant Type
Shrub
Bloom Time
Spring
Plant Height
2.5 m to 3.5 m
Spread
1.2 m to 1.8 m
Leaf Color
Green
Blue
Flower Size
2.5 cm
Flower Color
Yellow
Green
Gold
Fruit Color
Red
Burgundy
Stem Color
Green
Leaf type
Evergreen
Ideal Temperature
10 - 35 ℃
Growth Season
Spring
Growth Rate
Slow
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Scientific Classification of Perny's holly

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pests

Common Pests & Diseases About Perny's holly

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Common issues for Perny's holly based on 10 million real cases
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
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
Black spot
Black spot Black spot Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Solutions: Some steps to take to address black spot include: Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves. Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash. Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil. Use a spreader in the fungicide spray to ensure better coverage.
Learn More About the Black spot more
Branch blight
Branch blight Branch blight Branch blight
Branch blight can cause lignified branches to dry up entirely and die.
Solutions: Inspect trees frequently, and remove any infected branches as soon as possible. Branch blight cannot be cured, so the only treatment is to prune the tree and monitor it carefully for signs of the disease. All affected parts of the tree should be removed, since blight can survive over the winter inside the plant’s tissues. Blight can become systemic in the tree, in which case the entire plant should be removed so it does not remain a host for the pathogen and allow it to spread.
Learn More About the Branch blight more
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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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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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Black spot
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Black spot
Infection by the black spot pathogen causes black spots or patches to appear on leaves.
Overview
Overview
Black spot is a fungus that largely attacks leaves on a variety of ornamental plants, leaving them covered in dark spots ringed with yellow, and eventually killing them. The fungus is often simply unsightly, but if it infects the whole plant it can interfere with photosynthesis by killing too many leaves. Because of this, it is important to be aware of the best methods for preventing and treating this diseases should it occur in the garden.
Symptom Analysis
Symptom Analysis
Here are a few of the most common symptoms of black spot:
  • The plant has developed small black spots along the leaves.
  • These spots be small, circular, and clustered together, or they may have a splotchy appearance and take up large portions of the leaves.
  • The fungus may also affect plant canes, where lesions start purple and then turn black.
  • The plant may suffer premature leaf drop.
Though most forms of black spot fungus pose little risk to a plant's overall health, many gardeners find them unsightly. Severe cases can also weaken a plant, so it becomes more susceptible to other pathogens and diseases.
Disease Cause
Disease Cause
Black spot is spread by various types of fungi, which differ slightly depending on whether they are in their sexual or asexual stages.
The fungal spores linger over the winter in fallen leaves and lesions on canes. In the spring, the spores are splashed up onto the leaves, causing infection within seven hours of moisture and when temperatures range between 24 to 29 ℃ with a high relative humidity.
In just two weeks, thousands of additional spores are produced, making it easy for the disease to infect nearby healthy plants as well.
There are several factors that could make a plant more likely to suffer a black spot infection. Here are some of the most common:
  • Exposure to infected plants or mulch (the fungus overwinters on dead leaves)
  • Weakening from physical damage, pest infestation or other infections.
  • Increased periods of wet, humid, warm weather – or exposure to overhead watering
  • Plants growing too close together
Solutions
Solutions
Some steps to take to address black spot include:
  • Prune away any infected leaves, cleaning the pruners between plants with a 10% bleach solution so that the fungus does not spread to healthy leaves.
  • Don't compost pruned plant parts as the spores can linger in the soil for a long period of time - instead, dispose of them in the trash.
  • Use an approved fungicide such as Trifloxystrobin, Chlorothalonil, Maneb, or Myclobutanil.
  • Use a spreader in the fungicide spray to ensure better coverage.
Prevention
Prevention
Here are a few tips to prevent black spot outbreaks.
  • Purchase resistant varieties: Invest in fungus-resistant plant varieties to reduce the chances for black spot diseases.
  • Remove infected plant debris: Fungi can overwinter in contaminated plant debris, so remove all fallen leaves from infected plants as soon as possible.
  • Rake and discard fallen leaves in the fall.
  • Prune regularly.
  • Water carefully: Fungal diseases spread when plants stay in moist conditions and when water droplets splash contaminated soil on plant leaves. Control these factors by only watering infected plants when the top few inches of soil are dry, and by watering at soil level to reduce splashback. Adding a layer of mulch to the soil will also reduce splashing.
  • Grow plants in an open, sunny locations so the foliage dries quickly.
  • Follow spacing guidelines when planting and avoid natural windbreaks for good air circulation.
  • Use chemical control: Regular doses of a fungicide, especially in the spring, can stop an outbreak before it begins.
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Branch blight
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Branch blight
Branch blight can cause lignified branches to dry up entirely and die.
Overview
Overview
"Blight" is an umbrella term used to describe a category of tree diseases caused by fungus or bacteria. Branch blight occurs when fungus attacks the branches and twigs of a tree, resulting in branches slowly dying off.
Branch blight can affect most species of trees to some degree, and it may be called by different names including twig blight or stem blight. It is caused by a variety of fungi which attack branches first, especially immature growth.
Blight usually occurs in warm, humid conditions, so is most common in the spring and summer months. Because specific environmental conditions are required, the frequency of branch blight can vary from year to year. This makes the disease hard to control, as it can spread between trees and affect multiple plants in a short period of time.
In the worst-case scenario, trees can lose significant portions of their foliage and fail to produce fruit. Young or unhealthy trees could die off completely.
Symptom Analysis
Symptom Analysis
The first symptoms of branch blight are that the emerging foliage turns brown or gray at the tips, especially on the smallest branches. Brown spots cover the entire surface of the leaves, eventually causing leaves and stems to shrivel and fall off. Over time, the dying tissue will spread toward the center of the plant. If left untreated, spores from the attacking fungus may appear on dying foliage within 3-4 weeks of the infection.
In some cases, lesions may form at the spot where the twig branches off from the healthy tissue. Branches may display girdling, which is a band of damaged tissue encircling the branch. An untreated tree will eventually lose all of its foliage and die.
Disease Cause
Disease Cause
  • Pathogens on young twigs and foliage cause disease
  • Stressed and unhealthy trees are more susceptible - root injury due to physical or insect damage, infection, or aging can prevent adequate absorption of water and nutrients
  • Extremely wet conditions including sprinkler watering can attract fungus
  • Fungi can be transmitted between nearby trees
Solutions
Solutions
  • Inspect trees frequently, and remove any infected branches as soon as possible. Branch blight cannot be cured, so the only treatment is to prune the tree and monitor it carefully for signs of the disease.
  • All affected parts of the tree should be removed, since blight can survive over the winter inside the plant’s tissues.
  • Blight can become systemic in the tree, in which case the entire plant should be removed so it does not remain a host for the pathogen and allow it to spread.
Prevention
Prevention
  • Avoid purchasing trees with dead or dying growth.
  • Sterilize cutting tools frequently when pruning to avoid spreading fungus between plants.
  • Keep trees mulched and watered, especially during dry periods, to prevent stress.
  • Avoid splashing water on the leaves when watering, as wet foliage is attractive to fungi and bacteria.
  • When planting, allow enough room between trees that there will be sufficient air circulation for them to dry out. Crowding trees too close together can increase humidity and allow the fungi to transfer.
  • When conditions are wet and humid, a fungicide can be used on new growth.
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distribution

Distribution of Perny's holly

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Distribution Map of Perny's holly

Perny's holly is native to woodlands in Eastern Asia. Its range naturally extends across subtropical and temperate zones within this region. Beyond its natural habitat, perny's holly has been introduced to various other locations for cultivation, owing to its adaptability to diverse climates. It thrives when translocated to environments that approximate its native woodland conditions, occurring in both private and botanical collections.
distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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More Info on Perny's Holly Growth and Care

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Basic Care Guide
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Plants Related to Perny's holly

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Lighting
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Indoor
Indoor
Outdoor
Choose a site here for personalized care tips.
Requirements
Partial sun
Ideal
About 3-6 hours sunlight
Full sun
Tolerance
Above 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
Perny's holly thrives in locations that are exposed to moderate levels of sun, although it can withstand areas with more sun exposure. Its origin habitat, likely a forest understory, indicates adaptation to varying sun conditions. While the plant tolerates substantial sunlight, too much sun may cause leaf scorch, while not enough may inhibit its healthy growth.
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
Perny's holly is a versatile plant that thrives in full sunlight but can tolerate partial shade. While it can adapt to different light conditions, when grown indoors with insufficient light, subtle symptoms of light deficiency may arise.
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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 Perny's holly 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
Perny's holly 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 optimize plant growth, shift them to increasingly sunnier spots each week until they receive 3-6 hours of direct sunlight daily, enabling gradual adaptation to changing light conditions.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
Perny's holly thrives in full sun exposure but can adapt to partial shade. Although sunburn symptoms occur occasionally, they are generally tolerant of different light conditions due to their resilience.
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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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