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American hazelnut
American hazelnut
American hazelnut
American hazelnut
American hazelnut
American hazelnut
American hazelnut
Corylus americana
Also known as : American hazel
Hardiness Zones
Hardiness Zones
4 to 9
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care guide

Care Guide for American hazelnut

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Watering Care
Watering Care
Details on Watering Care Watering Care
Soil Care
Soil Care
Clay, Chalky, Acidic, Neutral, Alkaline
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Ideal Lighting
Ideal Lighting
Partial sun, Full sun, Full shade
Details on Sunlight Requirements Ideal Lighting
Ideal Temperature
Ideal Temperature
4 to 9
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Planting Time
Planting Time
Fall, Late spring, Early summer, Early spring
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American hazelnut
Water
Water
Every 1-2 weeks
Sunlight
Sunlight
Partial sun
Hardiness Zones
Hardiness Zones
4 to 9
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Questions About American hazelnut

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
What's the best method to water my American hazelnut?
You might want to put a garden hose at the plant base to ensure that you're promoting excellent root development. Avoid directly spraying the leaves, and know that the leaves will require more watering if they are outdoors and facing direct sunlight. You can also use bubblers that you can put on to each plant to moisten the roots. Also, use soaker hoses that can cover the entire garden or bed when adding or removing plants to push the roots deeply. Drain any excess water and wait for the soil to dry before watering. Water at ground level to prevent diseases. On a sunny day, you might want to spray the entire bush with water. Whether potted or in-ground, please remember American hazelnut prefers deep watering over light sprinkling.
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What should I do if I water American hazelnut too much/too little?
An overwatered American hazelnut can start to have leaves that turn yellow, drop off and wilt. The plant can also look dull and unhealthy, with signs of mushy stems. When they are beginning to show these signs, it's best to adjust your schedule whenever possible. The wilting can also be a sign of under watering as well. You might see that the leaves begin to turn crispy and dry while the overwatered ones will have soft wilted leaves. Check the soil when it is dry and watering is not enough, give it a full watering in time. Enough water will make the American hazelnut recover again, but the plant will still appear dry and yellow leaves after a few days due to the damaged root system. Once it return to normal, the leave yellowing will stop . Always check the moisture levels at the pot when you have the American hazelnut indoors. Avoid overwatering indoors and see if there are signs of black spots. If these are present, let the soil dry in the pot by giving it a few days of rest from watering. Overwatering can lead to root rot being present in your plant. If this is the case, you might want to transfer them into a different pot, especially if you see discolored and slimy roots. Always prevent root rot as much as possible, and don't let the soil become too soggy. You should dig a little deeper when you plant your American hazelnut outdoors. When you check with your fingers and notice that the soil is too dry, it could mean underwatering. Adequate watering is required to help the plant recover.
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How often should I water my American hazelnut?
The American hazelnut likes deep and infrequent watering. You would want to soak them in a gallon of water each time, especially when they are planted in pots. The water storage of flower pots is limited and the soil will dry out faster. Watering is required every 3 to 5 days when living in a cold region. Water it early in the morning when the soil is dry, outdoors or indoors. You can also determine if watering is needed by checking the soil inside. When the top 2-3 inches of soil is dry, it is time to give the plant a full watering. During hot days, you may need to check the moisture daily, as the heat can quickly dry out the soil in the pot. Irrigation of the soil is also required if you have a garden. When you live in a hot climate, you might want to water once a week. Only water when you notice that about 2 to 3 inches of soil become too dry outdoors or indoors. Consider the amount of rainwater on the plant and ensure not to add to it to prevent root rot.You may not need additional watering of the plants if there is a lot of rainfall.American hazelnut generally grows during spring and fall. When they are outdoors, you need to add mulch about 3 to 4 inches deep to conserve more water. You need to water the plants more frequently in sandy soil because this type tends to drain faster. However, with the clay one, you need to water this less frequently where you could go for 2-3 days to dry the plant and not develop any root rot. You could mark the date on the calendar whenever you water and when you notice that the leaves are starting to droop. This can mean that you might be a day late.
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How much water do I need to give my American hazelnut?
The American hazelnut generally needs about a gallon of water each schedule,With the potted plants, you might want to water them deeply until you see that the water is dripping at the bottom of the pot. Then, wait for the soil to dry before watering them again. You can use a water calculator or a moisture meter to determine the amount you've given to your plant in a week. Provide plenty of water, especially in the flowering period, but let the moisture evaporate afterwards to prevent root rot. If American hazelnut is planted outdoor with adequate rainfall, it may not need additional watering. When American hazelnut is young or newly planted, make sure it gets 1-2 inches of rain per week. As American hazelnut continues to grow, it can survive entirely on rainfall. Only when the weather is too hot, or when there is no rainfall at all for 2-3 weeks, then consider giving American hazelnut a full watering during the cooler moment of the day to prevent the plant from suffering from high heat damage. Additional watering will be required during persistent dry spells.
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Should I adjust the watering frequency for my American hazelnut according to different seasons or climates?
The American hazelnut needs outdoors come from rain, with only persistent dry weather requiring watering. Throughout the spring and fall growing seasons, the soil needs to be kept moist but not soggy, and alternating dry and moist soil conditions will allow the American hazelnut to grow well. Throughout the summer, hot weather can cause water to evaporate too quickly, and if there is a lack of rainfall, you will need to water more frequently and extra to keep it moist. Usually, the American hazelnut will need less water during the winter. Since the American hazelnut will drop their leaves and go dormant, you can put them into a well-draining but moisture-retentive soil mixture like the terracotta to help the water evaporate quicker. Once your American hazelnut growing outdoors begins to leaf out and go dormant, you can skip watering altogether and in most cases American hazelnut can rely on the fall and winter rains to survive the entire dormant period. After the spring, you can cultivate your American hazelnut and encourage it to grow and bloom when the temperature becomes warmer.This plant is not generally a fan of ponding or drought when flowering. You must ensure that the drainage is good at all times, especially during the winter. When the plant is in a pot, the plant has limited root growth. Keep them well-watered, especially if they are planted in pots during summer. They don't like cold and wet roots, so provide adequate drainage, especially if they are still growing. It's always best to water your American hazelnut’s diligently. Get the entire root system into a deep soak at least once or twice a week, depending on the weather. It's best to avoid shallow sprinkles that reach the leaves since they generally encourage the growth of fungi and don't reach deep into the roots. Don't allow the American hazelnut’s to dry out completely in the fall or winter, even if they are already dormancy. Don't drown the plants because they generally don't like sitting in water for too long. They can die during winter if the soil does not drain well. Also, apply mulch whenever possible to reduce stress, conserve water, and encourage healthy blooms.
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What should I be careful with when I water my American hazelnut in different seasons, climates, or during different growing periods?
If planting in the ground, American hazelnut mostly relies on rain. However, if there is no rainfall for 2-3 weeks, you may need to give proper consideration to giving the plants a deep watering. If watering American hazelnut in summer, you should try to do it in the morning. A large temperature difference between the water temperature and the root system can stress the roots. You need to avoid watering the bushes when it's too hot outside. Start mulching them during the spring when the ground is not too cold. The age of the plants matter. Lack of water is one of the most common reasons the newly planted ones fail to grow. After they are established, you need to ease off the watering schedule. Reduce watering them during the fall and winter, especially if they have a water-retaining material in the soil. The dry winds in winter can dry them out, and the newly planted ones can be at risk of drought during windy winter, summer, and fall. Windy seasons mean that there's more watering required. The ones planted in the pot tend to dry out faster, so they need more watering. Once you see that they bloom less, the leaves begin to dry up. Potted plants are relatively complex to water and fluctuate in frequency. Always be careful that the pot-planted plant don't sit in the water. Avoid putting them in containers with saucers, bowls, and trays. Too much watering in the fall can make the foliage look mottled or yellowish. It's always a good idea to prevent overwatering them regardless of the current climate or season that you might have. During the months when American hazelnut begins to flower, you might want to increase the watering frequency but give it a rest once they are fully grown. Give them an adequate amount of water once every 3 to 5 days but don't give them regular schedules. Make sure the soil is dry by sticking your finger in the pot, or use a moisture meter if you're unsure if it's the right time. Too much root rot can cause them to die, so be careful not to overwater or underwater regardless of the climate or season you have in your area.
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Why is watering my American hazelnut important?
Watering the American hazelnut helps transport the needed nutrients from the soil to the rest of the plant. The moisture will keep this species healthy if you know how much water to give. The watering requirements will depend on the weather in your area and the plant's soil. The American hazelnut thrives on moist soil, but they can't generally tolerate waterlogging. Ensure to provide enough mulch when planted on the ground and never fall into the trap of watering too little. They enjoy a full can of watering where the water should be moist at the base when they are planted in a pot to get the best blooms. If they are grown as foliage, you need to water them up to a depth of 10 to 20 inches so they will continue to grow. If it's raining, refrain from watering and let them get the nutrients they need from the rainwater.
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Key Facts About American hazelnut

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Attributes of American hazelnut

Lifespan
Perennial
Plant Type
Shrub
Planting Time
Fall, Late spring, Early summer, Early spring
Bloom Time
Spring, Early summer
Harvest Time
Summer, Fall
Plant Height
2.5 m to 3.5 m
Spread
2.5 m to 3.5 m
Leaf Color
Green
Yellow
Red
Orange
Flower Size
2.5 cm to 8 cm
Flower Color
Yellow
Green
Red
White
Brown
Fruit Color
Brown
Green
Copper
Stem Color
Green
Gray
Silver
Red
Brown
Burgundy
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
5 - 35 ℃
Pollinators
Wind
Benefits to Pollinating Insects
Larval food
Growth Rate:Moderate
The American hazelnut american hazelnut exhibits moderate growth primarily in spring and summer, resulting in steady expansion of foliage and stem length. During these seasons, the plant's growth pattern manifests in dense leaf production and incremental height increase, subtly altering its overall morphology. The american hazelnut may present slightly varied growth speeds in other seasons, but it is most active during spring and summer. This moderate growth rate allows for measured resource allocation that contributes to the plant's resilience and vitality, implicating significant horticultural value.

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Scientific Classification of American hazelnut

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pests

Common Pests & Diseases About American hazelnut

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Common issues for American hazelnut based on 10 million real cases
Leaf rot
Leaf rot is a fungal disease affecting American hazelnut, causing discoloration, wilting, and eventually, the death of the plant. The disease is predominantly infectious and moderately lethal, requiring both pesticide and non-pesticide control measures.
Leaf beetles
Leaf beetles Leaf beetles
Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Brown spot
Brown spot Brown spot
Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
Leaf Weevils
Leaf Weevils Leaf Weevils
Leaf Weevils
Leaf Weevils are insects that feed on the leaves of plants.
Solutions: Leaf Weevils are relatively easy to control once their presence is discovered. Here’s what to do: Spray the foliage with an insecticide Place sticky traps around the lower trunks of fruit trees and other woody plants. Weevils can’t fly, and have to crawl up the plants when they emerge from the soil. Dig into the soil around plants with a garden fork and remove and dispose of any larvae. Let chickens roam around the garden, as they love to feed on weevil larvae.
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Leaf rot
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf rot Disease on American hazelnut?
What is Leaf rot Disease on American hazelnut?
Leaf rot is a fungal disease affecting American hazelnut, causing discoloration, wilting, and eventually, the death of the plant. The disease is predominantly infectious and moderately lethal, requiring both pesticide and non-pesticide control measures.
Symptom Analysis
Symptom Analysis
Foliage of American hazelnut displays brown or yellow patches. The leaves wilt, displaying necrosis and eventual defoliation. Advanced stages may result in stem lesions and the death of the plant.
What Causes Leaf rot Disease on American hazelnut?
What Causes Leaf rot Disease on American hazelnut?
1
Fungal pathogens
Fungi from the Phyllosticta and Phoma genus deeply affect plant tissues leading to the onset of leaf rot.
2
Environmental conditions
Persistent damp and cold conditions increase the susceptibility of American hazelnut to leaf rot.
How to Treat Leaf rot Disease on American hazelnut?
How to Treat Leaf rot Disease on American hazelnut?
1
Non pesticide
Water management: Watering the base of the plant instead of the foliage can significantly reduce the risk of fungal growth.

Debris management: Regular removal and destruction of fallen leaves from the infected American hazelnut can prevent fungal spread.
2
Pesticide
Fungicide application: Regular application of suitable, approved fungicides can control the spread of leaf rot.
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Leaf beetles
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Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
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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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Leaf Weevils
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Leaf Weevils
Leaf Weevils are insects that feed on the leaves of plants.
Overview
Overview
Leaf Weevils are insects that feed on the leaves of plants. They can cause major damage to both edible and non-edible plants. Watch out for these garden pests and use control measures to get rid of them as soon as the problem is noticed.
Symptom Analysis
Symptom Analysis
Leaf Weevils are small flightless insects that are typically around 6 mm long. They have a hard body that is oval shaped and covered in short hairs, a long snout on their head that is downward facing, and 3 pairs of legs with hooked claws.
Once mated, the female weevil with lay around 20 eggs at one time, either in leaf litter on the ground or sometimes on the soil. Weevils generally only produce one batch of eggs a year but may produce 2 if conditions are ideal.
The eggs take around 6 to 15 days to hatch. When the larva emerges, it burrows into the soil. These larvae have chewing mouth parts and no legs. They feed on the roots of the plants. When this happens, you may see signs of wilting of the leaves, stems, and flowers as the plant can’t deliver enough water from the roots to the above-ground growing parts.
Eventually, the larva evolves into a soft white pupa. The pupating period normally takes around 1 to 3 weeks. After this, the adult leaf weevil will emerge and crawl up the plant to feed on the leaves.
Adult leaf Weevils feed on young leaves, stems, flowers, and buds of almost any plant. This includes many varieties of fruits and vegetables as well as ornamental plants. This creates irregular round holes in the leaves. These holes normally start at the edges of the leaf. Holes may also be made in flowers, lesions may be caused on the skin of fruit, and sometimes whole stems are chewed off.
These insects prefer a humid environment with warm temperatures. They are mostly active during the night and will hide in leaf litter, mulch, and other debris during the day.
Solutions
Solutions
Leaf Weevils are relatively easy to control once their presence is discovered. Here’s what to do:
  • Spray the foliage with an insecticide
  • Place sticky traps around the lower trunks of fruit trees and other woody plants. Weevils can’t fly, and have to crawl up the plants when they emerge from the soil.
  • Dig into the soil around plants with a garden fork and remove and dispose of any larvae.
  • Let chickens roam around the garden, as they love to feed on weevil larvae.
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distribution

Distribution of American hazelnut

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Habitat of American hazelnut

Thickets, rich wood, roadsides, fencerows, waste place
Northern Hemisphere
South Hemisphere

Distribution Map of American hazelnut

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

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Basic Care Guide
Common Pests & Diseases
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Lighting
Partial sun
American hazelnut thrives under moderate sun exposure but can tolerate conditions ranging from fully exposed to entirely shaded areas. Its origin habitat exposes it to varying light intensities. Excessive light might cause stress, while very low light impairs its vibrant growth.
Best Sunlight Practices
Transplant
8-12 feet
For american hazelnut, the best transplanting period spans early autumn to late winter (S1-S2), as these seasons offer optimal root establishment. A sunny or partially shaded location is perfect. Whenever transplanting, remember to keep the soil well-draining, enhancing the plant's growth. Remember to use a friendly and patient approach!
Transplant Techniques
Temperature
-25 - 38 ℃
American hazelnut prefers a temperate environment and can thrive in a wide range of temperatures, from 41 ℉ (5 ℃) to 95 ℉ (35 ℃). In colder seasons, it's important to maintain soil temperatures above 32 ℉ (0 ℃) to prevent freezing damage. When the weather gets too hot in summer, providing shade or shelter from direct sunlight will help protect american hazelnut from heat stress.
Temp for Healthy Growth
Pruning
Spring, Winter
A deciduous shrub noted for its edible nuts and vibrant fall foliage, american hazelnut benefits from specific pruning methods. To encourage healthy growth and nut production, remove dead or diseased wood, thin out crowded branches, and shape the plant in early spring or late winter. Pruning at this time allows american hazelnut to heal before new growth begins. Regular pruning maintains air circulation and reduces pests, ensuring a robust, productive shrub.
Pruning techniques
Propagation
The optimal period for propagating american hazelnut through cuttings is early to mid-autumn. This timing leverages the plant's natural growth cycle, when temperatures are mild, ensuring better root development. Shorter days and cooler nights in autumn also reduce the transpiration rate and stress on the cuttings, leading to improved success rates in rooting. This period aligns with the plant’s dormancy onset, which is ideal for cutting propagation.
With propagation methods of cutting and layering, american hazelnut is most successful during autumn and winter. Moderately easy to propagate, signs of success include new shoots and root growth. To enhance results, position cuttings in well-draining soil.
Propagation Techniques
Leaf rot
Leaf rot is a fungal disease affecting American hazelnut, causing discoloration, wilting, and eventually, the death of the plant. The disease is predominantly infectious and moderately lethal, requiring both pesticide and non-pesticide control measures.
Read More
Underwatering yellow
Underwatering is a detrimental yet easily corrected issue affecting the health of American hazelnut. It's characterized by insufficient water supply leading to dehydration, wilting, and in severe cases, plant death. Early detection and correction can salvage the plant's health.
Read More
Plant dried up
The disease 'Plant dried up' commonly attacks American hazelnut, leaving it dehydrated and brittle. The plant loses its vigor as the disease inhibits water and nutrient transport, causing severe wilting and eventual death if untreated. This guide outlines causes, symptoms, and control measures.
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Brown blotch
Brown spot is a fungal disease that adversely affects American hazelnut, causing significant damage to the foliage and reduction in yield. Appearing as reddish-brown spots on leaves and husks, its cyclical nature and widespread propagation make it a threatening menace to American hazelnut cultivation.
Read More
Wilting
Wilting is a disease affecting American hazelnut, causing stunted growth and weakened condition. This ailment, often caused by pathogens or adverse environmental conditions, has a severe impact on the plant's health, prosperity, and yield.
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Leaf spot
Leaf spot is a common disease that affects American hazelnut, causing discolored spots on its leaves, which can hinder photosynthesis and potentially lead to premature leaf fall. Control measures range from cultural to chemical controls.
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Feng shui direction
Northwest
The american hazelnut could be seen as congruent with Feng Shui principles, particularly when directed towards the Northwest. This orientation is associated with the element of metal, and american hazelnut, being a deciduous plant, has a connection with the expressions of metal: letting go and renewal. However, perceptions regarding Feng Shui are personal and subjective, hence this interpretation could differ based on individual perspectives.
Fengshui Details
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Starleaf begonia
Starleaf begonia is difficult to identify in the wild because it varies in size and shape, but its abundant pink-white flowers appear in winter, which is the best time to see them. These flowers give it garden interest, too, adding winter color to sheltered patios. It is well adapted to drought conditions.
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Fire-star orchid
Fire-star orchid (Epidendrum radicans) is a flowering plant species named for its orange star-shaped flowers. The flowers appear to have a flame-like center and the coloration resembles that of a fire. Fire-star orchid is a common weed in Central America, and it can be found growing along roadsides and in disturbed areas.
Mexican snow ball
Mexican snow ball
The mexican snow ball is a small but fast-growing succulent plant. It thrives in sunny environments and doesn't require much water to grow. The mexican snow ball is popularly grown as a windowsill plant. Its succulent leaves grow in various colors depending on the ambient conditions.
Puka
Puka
Puka (Meryta sinclairii) is a tree native to New Zealand. This species blooms green-white blossoms in summer, after which black berries appear. This tree grows in partial shade and moist soil; it can handle growing in seaside areas.
Tipu tree
Tipu tree
Tipu tree (Tipuana tipu) is native to South America. It is often used as a shade tree because it can grow nearly 30 m tall and branch out to a diameter of over 15 m. Unfortunately, the root systems grow aggressively and the tree seeds itself prolifically, making it an invasive species in non-native places such as South Africa and Australia.
Taiwanese photinia
Taiwanese photinia
Taiwanese photinia (Photinia serratifolia) is a flowering shrub native to China. The taiwanese photinia is planted in urban centers for ornamental purposes to augment greenery. The plant produces fragrant scent, which some people enjoy and some people do not.
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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American hazelnut
American hazelnut
American hazelnut
American hazelnut
American hazelnut
American hazelnut
American hazelnut
Corylus americana
Also known as: American hazel
Hardiness Zones
Hardiness Zones
4 to 9
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care guide

Care Guide for American hazelnut

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Questions About American hazelnut

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Watering Watering Watering
Pruning Pruning Pruning
Sunlight Sunlight Sunlight
Temperature Temperature Temperature
Fertilizing Fertilizing Fertilizing
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Key Facts About American hazelnut

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Attributes of American hazelnut

Lifespan
Perennial
Plant Type
Shrub
Planting Time
Fall, Late spring, Early summer, Early spring
Bloom Time
Spring, Early summer
Harvest Time
Summer, Fall
Plant Height
2.5 m to 3.5 m
Spread
2.5 m to 3.5 m
Leaf Color
Green
Yellow
Red
Orange
Flower Size
2.5 cm to 8 cm
Flower Color
Yellow
Green
Red
White
Brown
Fruit Color
Brown
Green
Copper
Stem Color
Green
Gray
Silver
Red
Brown
Burgundy
Dormancy
Winter dormancy
Leaf type
Deciduous
Ideal Temperature
5 - 35 ℃
Pollinators
Wind
Benefits to Pollinating Insects
Larval food
Growth Rate:Moderate
The American hazelnut american hazelnut exhibits moderate growth primarily in spring and summer, resulting in steady expansion of foliage and stem length. During these seasons, the plant's growth pattern manifests in dense leaf production and incremental height increase, subtly altering its overall morphology. The american hazelnut may present slightly varied growth speeds in other seasons, but it is most active during spring and summer. This moderate growth rate allows for measured resource allocation that contributes to the plant's resilience and vitality, implicating significant horticultural value.
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Symbolism

Usages

Garden Use

Scientific Classification of American hazelnut

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pests

Common Pests & Diseases About American hazelnut

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Common issues for American hazelnut based on 10 million real cases
Leaf rot
Leaf rot is a fungal disease affecting American hazelnut, causing discoloration, wilting, and eventually, the death of the plant. The disease is predominantly infectious and moderately lethal, requiring both pesticide and non-pesticide control measures.
Learn More About the Leaf rot more
Leaf beetles
Leaf beetles Leaf beetles Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Solutions: For less serious cases: Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread. To treat more serious infestations: Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Learn More About the Leaf beetles more
Brown spot
Brown spot Brown spot Brown spot
This infection can cause brown spots or patches to appear on the plant.
Solutions: In minor cases of brown spot, there isn’t any need to treat the disease. However, if much of the foliage is affected and defoliation occurs, the plant will benefit from getting rid of the infection. It is recommended to start by applying organic treatment options, working up to the more potent synthetic, chemical fungicides if necessary. Organic options won’t kill the fungus, but will prevent it from spreading. Dissolve ½ teaspoon of baking soda and one teaspoon of liquid soap in a gallon of water. Using a spray bottle, spray on tops and bottoms of leaves until the mixture drips off. Repeat every two weeks until existing spots stop enlarging and new spots no longer appear. Spray a copper-based fungicidal soap on the leaves, coating the top and bottom leaf surfaces. Reapply as directed on the product label. Copper penetrates the leaf surface and prevents germination of spores so the fungus cannot spread. Apply an all-purpose fungicide to the entire plant, following the label instructions carefully.
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Leaf Weevils
Leaf Weevils Leaf Weevils Leaf Weevils
Leaf Weevils are insects that feed on the leaves of plants.
Solutions: Leaf Weevils are relatively easy to control once their presence is discovered. Here’s what to do: Spray the foliage with an insecticide Place sticky traps around the lower trunks of fruit trees and other woody plants. Weevils can’t fly, and have to crawl up the plants when they emerge from the soil. Dig into the soil around plants with a garden fork and remove and dispose of any larvae. Let chickens roam around the garden, as they love to feed on weevil larvae.
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Leaf rot
Overview
Symptom
Causes
Treatment
Prevention
Active Period
What is Leaf rot Disease on American hazelnut?
What is Leaf rot Disease on American hazelnut?
Leaf rot is a fungal disease affecting American hazelnut, causing discoloration, wilting, and eventually, the death of the plant. The disease is predominantly infectious and moderately lethal, requiring both pesticide and non-pesticide control measures.
Symptom Analysis
Symptom Analysis
Foliage of American hazelnut displays brown or yellow patches. The leaves wilt, displaying necrosis and eventual defoliation. Advanced stages may result in stem lesions and the death of the plant.
What Causes Leaf rot Disease on American hazelnut?
What Causes Leaf rot Disease on American hazelnut?
1
Fungal pathogens
Fungi from the Phyllosticta and Phoma genus deeply affect plant tissues leading to the onset of leaf rot.
2
Environmental conditions
Persistent damp and cold conditions increase the susceptibility of American hazelnut to leaf rot.
How to Treat Leaf rot Disease on American hazelnut?
How to Treat Leaf rot Disease on American hazelnut?
1
Non pesticide
Water management: Watering the base of the plant instead of the foliage can significantly reduce the risk of fungal growth.

Debris management: Regular removal and destruction of fallen leaves from the infected American hazelnut can prevent fungal spread.
2
Pesticide
Fungicide application: Regular application of suitable, approved fungicides can control the spread of leaf rot.
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Leaf beetles
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Leaf beetles
Leaf beetles are a class of colored insects 1 to 2 cm in size. They gnaw on leaves and petals resulting in small, round holes scattered over the surface.
Overview
Overview
Leaf beetles range in size from 1.5 mm to 2 cm. Both adult beetles and their larvae eat the leaves of many different types of plants. There are over 35,000 different species of leaf beetles, in a variety of colors including gold, green, yellow-striped, and red striped. Some of these have been mistaken for ladybirds because of their shape and coloring. They can be oval, round, or elongated in shape. These insect pests are most active in spring and summer.
If not controlled, leaf beetles can do a lot of damage to vegetable crops and ornamental plants. They feed on the leaves, flowers, stems, roots, and fruits of different plants. They can fly, which means it's easy for them to move from one plant to another. Some species of leaf beetles only target one specific crop, while others will target many different types of plants. Although a lot of the damage that they cause is cosmetic, an infestation can weaken a plant and leave it prone to other more problematic diseases.
Symptom Analysis
Symptom Analysis
The first signs of a leaf beetles infestation are small visible holes in leaves. Leaves then become discolored and dark beetle droppings can be seen. As the leaves turn yellow and brown, they will drop off the plant onto the ground. Some leaves will appear skeletonized with only the veins still remaining.
Infestation begins in spring, when the adult beetles emerge from the soil and lay their eggs on the leaves of plants. When these eggs hatch, the young nymphs start munching on the leaves as they grow up. Once leaf beetles are large and mature, they'll fall to the ground and pupate in the soil over winter before starting the cycle all over again.
Leaf beetles also eat holes in fruits and vegetables. These can be seen as small round holes that sometimes have a larger brown area surrounding them.
Solutions
Solutions
For less serious cases:
  1. Remove beetles, nymphs, and eggs. Remove all life stages of the beetles and kill them by placing them in a bucket of warm, soapy water. This can be done more easily by placing the bucket under affected leaves and shaking the plant. This method is most effective in the afternoon when leaf beetles are more active. Always dispose of insects in a sealed bag or container to avoid escape and spread.
To treat more serious infestations:
  1. Apply organic insecticides. Use naturally-derived insecticides before moving on to synthetic insecticides. Neem oil and pyrethrum are naturally-derived insecticides that should be applied following label instructions.
  2. Apply synthetic insecticides. Examples of insecticides effective for leaf beetles include carbaryl, permethrin, and bifenthrin. Apply insecticides according to label instructions.
Prevention
Prevention
To prevent infestations of leaf beetles, follow these practices.
  1. Regularly check for beetles. To prevent large pest infestations, be proactive about frequently checking plants for pests and removing them quickly.
  2. Clear debris. Clear weeds and debris to remove areas where these beetles may overwinter and hide.
  3. Attract natural predators. Birds and other insects, such as wasps and ladybugs, are effective natural predators of leaf beetles. Encourage them to visit by including a diverse array of plants to provide habitat and food. Also, avoid applying broad-spectrum herbicides that can harm and kill beneficial insects.
  4. Plant aromatic herbs like mint, garlic, or rosemary, as these can repel leaf beetles.
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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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Leaf Weevils
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Leaf Weevils
Leaf Weevils are insects that feed on the leaves of plants.
Overview
Overview
Leaf Weevils are insects that feed on the leaves of plants. They can cause major damage to both edible and non-edible plants. Watch out for these garden pests and use control measures to get rid of them as soon as the problem is noticed.
Symptom Analysis
Symptom Analysis
Leaf Weevils are small flightless insects that are typically around 6 mm long. They have a hard body that is oval shaped and covered in short hairs, a long snout on their head that is downward facing, and 3 pairs of legs with hooked claws.
Once mated, the female weevil with lay around 20 eggs at one time, either in leaf litter on the ground or sometimes on the soil. Weevils generally only produce one batch of eggs a year but may produce 2 if conditions are ideal.
The eggs take around 6 to 15 days to hatch. When the larva emerges, it burrows into the soil. These larvae have chewing mouth parts and no legs. They feed on the roots of the plants. When this happens, you may see signs of wilting of the leaves, stems, and flowers as the plant can’t deliver enough water from the roots to the above-ground growing parts.
Eventually, the larva evolves into a soft white pupa. The pupating period normally takes around 1 to 3 weeks. After this, the adult leaf weevil will emerge and crawl up the plant to feed on the leaves.
Adult leaf Weevils feed on young leaves, stems, flowers, and buds of almost any plant. This includes many varieties of fruits and vegetables as well as ornamental plants. This creates irregular round holes in the leaves. These holes normally start at the edges of the leaf. Holes may also be made in flowers, lesions may be caused on the skin of fruit, and sometimes whole stems are chewed off.
These insects prefer a humid environment with warm temperatures. They are mostly active during the night and will hide in leaf litter, mulch, and other debris during the day.
Solutions
Solutions
Leaf Weevils are relatively easy to control once their presence is discovered. Here’s what to do:
  • Spray the foliage with an insecticide
  • Place sticky traps around the lower trunks of fruit trees and other woody plants. Weevils can’t fly, and have to crawl up the plants when they emerge from the soil.
  • Dig into the soil around plants with a garden fork and remove and dispose of any larvae.
  • Let chickens roam around the garden, as they love to feed on weevil larvae.
Prevention
Prevention
There are various ways to keep leaf Weevils away from plants.
  • Remove weeds such as dandelion, capeweed, portulaca, mallow, sorrel, and dock. Leaf Weevils are attracted to these weeds and will set up a colony.
  • Make sure fruit trees are well spaced from each other. This ensures that the weevils and their larvae don’t spread from one tree to the next.
  • Cultivate the soil before planting a new crop. This allows any larvae or pupae in the soil to be unearthed and disposed of.
  • Regularly fertilize the soil to encourage both earthworm and microbial activity.
  • Check plants regularly to see any signs of leaf weevil activity. Also check under loose bark, mulch, leaf litter, and in the junction of stems on the plant.
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distribution

Distribution of American hazelnut

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Habitat of American hazelnut

Thickets, rich wood, roadsides, fencerows, waste place
Northern Hemisphere
South Hemisphere

Distribution Map of American hazelnut

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
care_scenes

More Info on American Hazelnut Growth and Care

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Basic Care Guide
Common Pests & Diseases
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Leaf rot
Leaf rot is a fungal disease affecting American hazelnut, causing discoloration, wilting, and eventually, the death of the plant. The disease is predominantly infectious and moderately lethal, requiring both pesticide and non-pesticide control measures.
 detail
Underwatering yellow
Underwatering is a detrimental yet easily corrected issue affecting the health of American hazelnut. It's characterized by insufficient water supply leading to dehydration, wilting, and in severe cases, plant death. Early detection and correction can salvage the plant's health.
 detail
Plant dried up
The disease 'Plant dried up' commonly attacks American hazelnut, leaving it dehydrated and brittle. The plant loses its vigor as the disease inhibits water and nutrient transport, causing severe wilting and eventual death if untreated. This guide outlines causes, symptoms, and control measures.
 detail
Brown blotch
Brown spot is a fungal disease that adversely affects American hazelnut, causing significant damage to the foliage and reduction in yield. Appearing as reddish-brown spots on leaves and husks, its cyclical nature and widespread propagation make it a threatening menace to American hazelnut cultivation.
 detail
Wilting
Wilting is a disease affecting American hazelnut, causing stunted growth and weakened condition. This ailment, often caused by pathogens or adverse environmental conditions, has a severe impact on the plant's health, prosperity, and yield.
 detail
Leaf spot
Leaf spot is a common disease that affects American hazelnut, causing discolored spots on its leaves, which can hinder photosynthesis and potentially lead to premature leaf fall. Control measures range from cultural to chemical controls.
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Plants Related to American hazelnut

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Lighting
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Indoor
Indoor
Outdoor
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Requirements
Partial sun
Ideal
About 3-6 hours sunlight
Full sun, Full shade
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
American hazelnut thrives under moderate sun exposure but can tolerate conditions ranging from fully exposed to entirely shaded areas. Its origin habitat exposes it to varying light intensities. Excessive light might cause stress, while very low light impairs its vibrant 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
American hazelnut 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 american hazelnut 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
American hazelnut 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
American hazelnut 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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Temperature
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Indoor
Indoor
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
American hazelnut prefers a temperate environment and can thrive in a wide range of temperatures, from 41 ℉ (5 ℃) to 95 ℉ (35 ℃). In colder seasons, it's important to maintain soil temperatures above 32 ℉ (0 ℃) to prevent freezing damage. When the weather gets too hot in summer, providing shade or shelter from direct sunlight will help protect american hazelnut from heat stress.
Regional wintering strategies
American hazelnut 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 American hazelnut
American hazelnut 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 American hazelnut
During summer, American hazelnut 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.
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Analytical Cookies
Analytical cookies help us to improve our application/website by collecting and reporting information on its usage.
Cookie Name Source Purpose Lifespan
_ga Google Analytics These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here. 1 Year
_pta PictureThis Analytics We use these cookies to collect information about how you use our site, monitor site performance, and improve our site performance, our services, and your experience. 1 Year
Cookie Name
_ga
Source
Google Analytics
Purpose
These cookies are set because of our use of Google Analytics. They are used to collect information about your use of our application/website. The cookies collect specific information, such as your IP address, data related to your device and other information about your use of the application/website. Please note that the data processing is essentially carried out by Google LLC and Google may use your data collected by the cookies for own purposes, e.g. profiling and will combine it with other data such as your Google Account. For more information about how Google processes your data and Google’s approach to privacy as well as implemented safeguards for your data, please see here.
Lifespan
1 Year

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

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