Hamamelis mollis
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Hamamelis mollis

Chinese witch-hazel

Tier 1 Difficulty: easy Water: low Light: full_sun
Water every
7 days
Temperature
5–32 °C
Soil pH
5–6
Hardiness
Zone 5–8
Click count
107
Observations
701

Description

Source: leafsnap

Hamamelis mollis, commonly known as Chinese witch hazel, is a deciduous shrub in the Hamamelidaceae family. Native to China, it can reach a height of up to 4 meters. This plant has a spreading habit and produces fragrant yellow flowers in late winter or early spring, before its leaves emerge. The flowers have four narrow petals that curl back as they age, giving them a distinctive appearance. The leaves of Hamamelis mollis are oval-shaped with serrated edges. They are dark green during the growing season but turn yellow or orange-red in autumn before falling off. Chinese witch hazel thrives in well-drained soil and partial shade but can tolerate full sun if provided with adequate moisture. It is relatively low-maintenance once established, though it may require occasional pruning to maintain its shape. This plant has several medicinal uses, including treating skin irritations, bruises, hemorrhoids, and varicose veins. Its bark extract is also used in some cosmetic products due to its antioxidant properties. Overall, Hamamelis mollis is an attractive shrub with unique winter blooms that add interest to any garden or landscape setting. It also offers medicinal benefits for humans.

🌳 Beyond its role in gardening, Chinese witch hazel is used as a phytoremediator to indicate soil health. Its ability to concentrate certain heavy metals makes it a natural bioindicator of soil contamination. This application in environmental management is important, yet public awareness remains low.

Care Guide

💧 Water Every 7 days

Chinese witch hazel is well-suited to variations in seasonal rainfall and has a moderate tolerance for drought. It needs watering every two weeks and thrives in soil with balanced moisture levels. Generally grown outdoors, this deciduous plant requires careful watering during its growth phase to ensure optimal foliage and flower health.

Suggested frequency: Every 7 days
FAQ
How should I water my Chinese witch hazel plant?

To promote good root development for your plants, place a garden hose at the base rather than spraying the leaves directly. Outdoor plants in direct sunlight will need more water for their leaves, so keep that in mind. Consider using bubblers to keep the roots moist, or soaker hoses to cover the whole garden or bed and ensure deep root growth when adding or removing plants. After watering, make sure to drain any excess water and allow the soil to dry before watering again. To prevent diseases, water at ground level. On a sunny day, you can spray the entire bush with water. Whether your Chinese witch hazel is in a pot or in the ground, it prefers deeper watering instead of light sprinkling.

What should I do if I give too much/fewer water to Chinese witch hazel plant?

If you overwater your Chinese witch hazel, its leaves may turn yellow, drop off, and wilt. The plant may look dull, with mushy stems. Adjust your watering schedule when you see these signs. On the other hand, wilting can also indicate under watering. Underwatered leaves become crispy and dry, while overwatered leaves become soft and wilted. If the soil is dry, give the plant a full watering. However, be aware that the damaged root system may still cause the plant to appear dry and have yellow leaves. Once the plant returns to normal, the yellowing will stop. Indoors, always check the moisture levels and avoid overwatering. Look for black spots, and if present, let the soil dry out for a few days. Overwatering can lead to root rot, so transfer the plant to a different pot if you see discolored and slimy roots. Prevent root rot by not allowing the soil to become too soggy. When planting the Chinese witch hazel outdoors, check the soil moisture. If it's too dry, it may indicate under watering. Adequate watering will help the plant recover.

How frequently should I water my Chinese witch hazel plant?

The Chinese witch hazel prefers deep and infrequent watering. When planted in pots, it's recommended to soak them with a gallon of water each time. Potted plants have limited water storage, causing the soil to dry out faster. In colder regions, watering is needed every 3 to 5 days. It's best to water in the morning when the soil is dry, whether it's indoors or outdoors. You can also check the soil moisture by feeling the top 2-3 inches of soil. If it's dry, it's time to water the plant thoroughly. On hot days, you may need to check the soil moisture daily as it can dry out quickly. For garden plants, irrigation is necessary as well. In hot climates, watering once a week is sufficient. Only water if you observe that about 2 to 3 inches of soil has become too dry. Consider the rainfall on the plant and avoid overwatering to prevent root rot. During spring and fall, which are the growing seasons for Chinese witch hazel, add a layer of mulch about 3 to 4 inches deep to retain moisture. Sandy soil drains faster, so watering should be more frequent. In contrast, clay soil requires less frequent watering, allowing the plant to dry out for 2-3 days to prevent root rot. It's helpful to mark watering dates on a calendar and pay attention to any drooping leaves, which may indicate the need for water.

How much water should I give my Chinese witch hazel?

The Chinese witch hazel generally needs about a gallon of water on a regular schedule. For potted plants, water them deeply until you see water dripping from the bottom of the pot. Then, wait for the soil to dry before watering again. To determine the amount of water you've given your plant in a week, you can use a water calculator or a moisture meter. During the flowering period, provide plenty of water but allow the moisture to evaporate afterwards to prevent root rot. If the Chinese witch hazel is planted outdoors and receives enough rainfall, additional watering may not be necessary. However, when the plant is young or newly planted, it should receive 1-2 inches of rain per week. As it continues to grow, it can rely on rainfall alone. Only when the weather is very hot or there is no rainfall for 2-3 weeks should you consider giving the plant a full watering during cooler parts of the day to prevent heat damage. Additional watering will be needed during extended dry periods.

Should I change how often I water my Chinese witch hazel depending on the time of year or the weather?

The Chinese witch hazel requires outdoor conditions with rain, but watering is only necessary during persistent dry weather. During the spring and fall, the soil should be kept moist but not soggy to promote healthy growth. Alternating between dry and moist soil conditions is beneficial. In the hot summer, water can evaporate quickly, so additional watering may be required if there is a lack of rainfall. However, less water is generally needed during winter when the Chinese witch hazel goes dormant. To aid in quick water evaporation, a well-draining soil mixture like terracotta can be used. Once it starts leafing out and going dormant, watering can be skipped, and the plant can rely on fall and winter rains. To encourage growth and blooming in warmer temperatures, consider cultivating the Chinese witch hazel after spring. It is important to maintain good drainage to avoid ponding or drought, especially in winter. If the plant is in a pot, ensure it is well-watered, especially during summer, while also providing proper drainage to prevent cold and wet roots. Deep soaking the entire root system once or twice a week, depending on the weather, is recommended. Shallow sprinkles should be avoided as they encourage fungal growth and do not reach the roots effectively. Even during dormancy in fall or winter, the Chinese witch hazel should not be allowed to completely dry out. Excessive water that does not drain well can be detrimental, potentially causing the plant to die in winter. Applying mulch is beneficial for reducing stress, conserving water, and promoting healthy blooms.

☀️ Light Full sun

Chinese witch hazel grows best with plenty of sunlight. It can, however, tolerate reduced light, showing its adaptability. Too little sun may slow its growth and produce a less vigorous plant, while too much sun can scorch the leaves. This preference matches its native habitat, which offers a mix of sun and shade.

Ideal: Full sun
FAQ
What are the sunlight requirements for Chinese witch hazel?

Chinese witch hazel requires abundant sunlight to thrive, ideally positioned in a spot where it can receive full sun for more than 6 hours daily or partial sun for about 3-6 hours. It is adaptable to varying light conditions, but insufficient sunlight may hinder growth and cause the plant to become less vigorous. Excessive exposure can lead to leaf scorching. Observing how sunlight moves through your garden can help you choose the best locations for planting, ensuring they receive the appropriate balance of light and shade.

Can Chinese witch hazel adapt to indoor conditions and how should artificial lighting be used?

Yes, Chinese witch hazel can adapt to indoor conditions. When natural sunlight is insufficient, especially during winter or in less sunny spaces, artificial lights provide a necessary solution for optimal growth. LED lights are recommended for their ability to offer specific wavelengths needed by the plants. For full sun plants, 30-50W/sq ft of artificial light is needed, partial sun plants require 20-30W/sq ft, and full shade plants need 10-20W/sq ft. The light source should be placed 12-36 inches above the plant to mimic natural sunlight, and most plants need 8-12 hours of light per day.

What are the common symptoms of inadequate or excessive sunlight in Chinese witch hazel?

Common symptoms of inadequate sunlight in Chinese witch hazel include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, lighter-colored new leaves, and conditions like chlorosis. Excessive sunlight can cause symptoms like sunscald, leaf curling, wilting, and leaf scorching. These symptoms indicate either a deficit or excess of sunlight exposure, which affects the plant's ability to thrive.

How can I address the sunlight needs of my Chinese witch hazel, indoors and outdoors?

To address the sunlight needs of Chinese witch hazel indoors, gradually move the plant to a sunnier location each week until it receives at least 6 hours of direct sunlight daily. Use a south-facing window and keep curtains open for maximum exposure. If natural light is inadequate, consider using artificial plant grow lights for at least 8 hours daily. Outdoors, find the best spot for sunlight, moving the plant gradually to avoid sunburn. The goal is to adapt the plant to brighter conditions without causing shock. For ground planting, reduce obstructions like branches that shadow your plant and consider transplanting smaller plants during their dormant period to areas with better sunlight and drainage. However, it's important to note that parts of the plant affected by previous poor light exposure may not recover, but new growth will be healthy.

🌡️ Temperature 5–32.2°C

Chinese witch hazel comes from areas with temperatures between 41 and 90 °F (5 to 32 ℃). It favors mild conditions. In periods of extreme cold or heat, seasonal adjustments may be needed to keep it thriving.

Ideal temperature: 5–32.2°C
FAQ
What are the ideal temperature conditions for Chinese witch hazel?

Chinese witch hazel thrives in a temperature range of 41 to 90 °F (5 to 32 °C), preferring mild temperatures. It exhibits strong cold resistance, making special frost protection measures usually unnecessary. However, if temperatures are expected to drop below -25°C, it's important to provide cold protection by wrapping the trunk and branches with materials such as non-woven fabric or cloth. Additionally, watering the plant abundantly before the first freeze in autumn is recommended to keep the soil moist and protect against drought and water scarcity during winter and early spring.

How does Chinese witch hazel react to low temperatures?

Chinese witch hazel is cold-tolerant and thrives best when the temperature is above 5°C. During winter, it should be kept above -20°C. At temperatures falling below -25°C, while there may not be noticeable changes during winter, the branches can become brittle and dry by springtime, resulting in no new shoots emerging. To address this, it is advised to prune away any dead branches that have failed to produce new leaves in the spring.

What should I do if my Chinese witch hazel experiences high temperatures?

During summer, Chinese witch hazel should be maintained below 32°C. Exposure to temperatures exceeding 35°C can result in lighter-colored leaves, with the tips becoming dry and withered, increasing susceptibility to sunburn. In such cases, trim away the sunburned and dried-up parts. Moving the plant to a shaded location, especially from the midday and afternoon sun, or employing a shade cloth can be beneficial. Ensuring the plant is watered in the morning and evening to keep the soil moist will also help mitigate the stress from high temperatures.

💨 Humidity
Humidity:
🪴 Soil 5-6
Soil pH: 5-6
🌱 Fertilizer

Timing is essential when fertilizing Chinese witch hazel. Begin fertilizing in early spring and continue monthly through early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant periods and active growth.

FAQ
Why should I add fertilizer to my Chinese witch hazel plant?

Fertilizing your Chinese witch hazel is important for multiple reasons. Firstly, it will help your plant produce beautiful blooms. For the best results, it is recommended to fertilize in early spring to ensure abundant flowers during that season. Additionally, fertilizer provides the plant with enough energy to store in the ground during dormant growth phases. By giving your Chinese witch hazel extra nutrients during fall planting or late spring, you can ensure that it has enough stored energy to utilize once active growth resumes.

When should I fertilize my Chinese witch hazel?

To successfully fertilize Chinese witch hazel, timing is essential. Applying fertilizer too early, when the plant is still dormant, is ineffective and will be washed away by rainwater, leading to wastage and pollution. The initial application of fertilizer should be done in early spring, followed by monthly fertilization until early summer.

When is it best not to put fertilizer on my Chinese witch hazel plant?

To ensure optimal growth and blooming of Chinese witch hazel, it is important to be mindful of the type and timing of fertilizer used. Avoid excessive nitrogen in the fertilizer, as this can result in an abundance of leaves but fewer blooms. Instead, choose a fertilizer with a lower nitrogen content compared to other nutrients. In terms of timing, refrain from fertilizing Chinese witch hazel after early autumn, as this can stimulate excessive growth right before winter, which is not ideal. Similarly, it is advisable to avoid fertilizing during hot and dry periods of the year, as dry soil does not effectively deliver fertilizer, and the stimulated growth may require more water that might not be readily available. It is better to apply fertilizer during cooler times of the year. Lastly, keep in mind that Chinese witch hazel can absorb fertilizer that has been applied to nearby plants or lawns. Therefore, take care not to inadvertently over-fertilize the tree or shrub by providing it with a double-dose of fertilizer.

What kind of fertilizer does my Chinese witch hazel require?

For Chinese witch hazel, the ideal fertilizer should have a balanced mix of the three main plant nutrients, with slightly higher phosphorus content. Alternatively, you can improve the plant's soil by adding organic materials like compost, worm castings, and manure. Experienced gardeners may also choose to supplement with water-soluble fertilizers containing phosphorus once or twice when the flower buds start appearing. This will promote better flower development, larger bloom size, and longer blooming duration. Fertilizers for Chinese witch hazel come in various forms, with liquid or powdered forms being some of the best options. Regardless of the form you choose, make sure to dilute the fertilizer and apply it while watering your Chinese witch hazel.

How do I make my Chinese witch hazel grow better?

To effectively fertilize your Chinese witch hazel, it's essential to follow the product's instructions and conduct some research. Avoid overdoing it, as finding the right amount is crucial. Typically, you can determine the appropriate dosage based on the tree's age or trunk diameter. A general guideline is to use one-tenth of a pound of fertilizer per year of tree age or per inch of trunk, though the maximum should not exceed one pound. When using granular or organic fertilizers like blood meal, spread them around the tree's base, ensuring coverage up to the outermost branches' reach, known as the drip line. Be careful not to allow any fertilizer to touch the trunk. Over time, these granules will break down and permeate the soil, eventually being absorbed by the tree roots. After fertilizing, it's advisable to apply a one-inch layer of compost around the base of the tree and water it thoroughly.

🪴 Pot & Repot
✂️ Pruning

Chinese witch hazel produces vibrant yellow flowers that bloom in winter. To maintain its shape and health, prune it in early spring after it has finished flowering. This is the time to remove any damaged branches as well. By thinning out crowded branches, you can improve airflow and light penetration, which benefits the plant's overall health. Regular light pruning helps maintain the plant's aesthetic appeal and encourages robust blooms. Be sure to avoid heavy pruning, which can stress the plant and affect its appearance.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree, Shrub
Life Cycle
Perennial
Genus
Hamamelis
Family
Hamamelidaceae
Hardiness Zone
5-8
Mature Height
4.57 m
Mature Spread
3.05 m to 6.1 m
Leaf Color
Green, Yellow
Leaf Type
Deciduous
Flower Color
Yellow, Gold, Brown, Orange
Flower Size
1.02 cm to 2.03 cm
Bloom Time
Mid fall, Late fall, Winter
Planting Time
Spring, Autumn
Harvest Time
Spring
Native Area
China

Tags (10)

Common Names (1)

en Chinese witch-hazel