Diospyros kaki
SPECIMEN · FROM THE LIBRARY
Diospyros kaki

Diospyros Kaki

Photo · (c) Jagdish Singh Negi, all rights reserved, uploaded by Jagdish Singh Negi COURTESY INATURALIST
ON THIS PLANT

Diospyros kaki, commonly known as the persimmon tree, is a deciduous tree belonging to the Ebenaceae family. Native to China and Japan, it has been widely cultivated in other parts of the world. The persimmon tree can grow up to 20 meters tall and features a broad crown with dark green leaves that turn yellow or red in autumn.

The fruit of Diospyros kaki, known as persimmon, is a berry-like fruit that varies in color from yellow-orange to dark red-orange when ripe. It has a sweet and tangy flavor with soft flesh that can be eaten fresh or used in cooking.

The wood of Diospyros kaki is hard and durable, making it suitable for furniture making and construction. In traditional Chinese medicine, various parts of the plant are used for treating ailments such as coughs, diarrhea, and high blood pressure.

Overall, the Diospyros kaki plant serves both ornamental and economic purposes due to its beautiful appearance and delicious fruits. These fruits are rich in vitamins A and C, as well as other nutrients like fiber and antioxidants, making them an important part of the human diet.

A note from PlantMom

Japanese persimmon is fairly resistant to disease and usually does not suffer from many illnesses. Regarding care, this plant is fairly low-maintenance. Planted outdoors, it needs little watering, and larger specimens typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Japanese persimmon is appropriate for anyone who has an outdoor area, such as a garden or deck, and it does not demand extensive gardening experience.

— PlantMom
CARE GUIDE

How to keep Diospyros Kaki.

Light

Japanese persimmon grows best when it gets plenty of sunlight each day. Enough light supports healthy growth and fruiting. In its native habitat, it is accustomed to basking in abundant sun. It can also cope with a more limited amount of sun, though that may affect its growth and yield. Both too much and too little light can stress the plant.

Water

The Japanese persimmon thrives in moderate water conditions, requiring watering every one to two weeks. Originating from humid subtropical regions, it benefits from rainfall during its growing season, which helps maintain the necessary moisture levels. This plant is an evergreen and is often grown outdoors.

Temperature

The japanese persimmon prefers temperatures between 50 and 100 ℉ (10 to 38 ℃), similar to conditions in its native habitat. It is a temperate woody plant that can tolerate seasonal temperature fluctuations. In winter, it can survive mild freezing down to 15 ℉ (-9.4 ℃).

Fertilizer

The Japanese persimmon plant needs adequate nutrients to achieve optimal fruit production. Fertilize in early spring to support new growth and bloom development. Regular fertilization keeps the plant healthy, encourages tastier fruit, and prevents nutrient deficiency problems such as yellow leaves and poor fruit production.

Pruning

The Japanese persimmon is known for its unique orange fruits and glossy leaves. To keep the tree healthy, effective pruning is essential. This involves removing dead branches, thinning out branches to improve airflow, and shaping the canopy. The best time to prune is in late winter. These practices promote healthier growth, allow more sunlight to reach the tree, increase fruit yield, and enhance the appearance of the Japanese persimmon.

Pot & Repot

When repotting a Japanese persimmon, select a container 1-2 inches (2.5–5.1 cm) larger with ample drainage. Use a well-draining potting mix. Repot in spring or fall, ensuring the root ball sits slightly lower than the rim of the pot. Water thoroughly after repotting and place it in a warm spot with indirect sunlight.

Toxicity

Diospyros kaki has no toxic effects reported.

Further reading →

The toxicity and danger assessments provided are for reference only. We do not assure their accuracy, so it's crucial not to depend on them. Seek professional advice when necessary for accurate guidance.

CHARACTERISTICS

Botanical profile.

Plant Type
Tree
Life Cycle
Perennial
Genus
Diospyros
Family
Ebenaceae
Hardiness Zone
6-11
Mature Height
10.06 m to 14.02 m
Mature Spread
10.06 m to 13.11 m
Leaf Color
Green, Yellow, Red, Orange, Purple
Leaf Type
Deciduous
Flower Color
Yellow, Cream
Flower Size
2.03 cm to 2.54 cm
Bloom Time
Late spring, Early summer
Planting Time
Spring, Autumn
Harvest Time
Mid summer, Late summer, Early fall
Native Area
India, Cambodia, Vietnam, Myanmar, Philippines, Laos, South Korea, China
ALSO KNOWN AS

Other names.

en Persimmon en Japanese persimmon en Kaki plum en Chinese date plum en Chinese persimmon en Kaki en Japanese date Plum en Japanska jabuka en Hyli Persimmon en Caqui en Indian Bilva fruit ar خرمالوی ژاپنی ar فاكهة الكاكا el Λωτός ar کاکی ar الكاكي
FREQUENTLY ASKED

Reader questions.

What's the best way to water my Japanese persimmon?

To ensure excellent root development, consider using a garden hose at the base of your plants. It's important to avoid spraying the leaves directly, especially if they are outdoors and exposed to direct sunlight. To moisten the roots, you can use bubblers or soaker hoses for each plant. When adding or removing plants, using soaker hoses that cover the entire garden or bed can help push the roots deep into the soil. 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 instead of spraying the leaves. On a sunny day, it may be beneficial to spray the whole bush with water. Whether your Japanese persimmon is potted or in the ground, remember that deep watering is preferred over light sprinkling.

Why is it necessary to fertilize my Japanese persimmon tree?

Plants need continuous nutrients from the soil to grow, and fast-growing types of plants deplete the soil of nutrients quickly. Regular fertilization is important for the Japanese persimmon to ensure it stays healthy and produces delicious fruit. If plants are not fertilized for a long time, they may face various problems. Nutrient deficiency can result in foliage issues, such as yellow leaves or reddish color. It can also cause deformities in leaf shape, withered tips, or even large portions of the plant dying back. Some nutrient deficiencies can also lead to bark disorders, slow growth, poor shoot development, and a lack of fruit production.

What are the sunlight requirements for Japanese persimmon?

Japanese persimmon thrives in environments that provide abundant daily sunlight. Full sun, defined as more than 6 hours of sunlight a day, is ideal for its healthy growth and fruiting. However, the plant can also adapt to partial sun, receiving about 3-6 hours of sunlight, although this might affect its growth and yield. Excessive or inadequate light can cause stress to the plant, so it's important to watch how sunlight moves through your garden to find the perfect balance for your Japanese persimmon.

What temperatures are ideal for the Japanese Persimmon?

The Japanese persimmon thrives in temperatures ranging from 50 to 100°F (10 to 38°C), mirroring the climate of its native habitat. It is a temperate woody plant adept at handling seasonal temperature shifts. During winter, it tolerates mild freezes down to 15°F (-9.4°C) without the need for special frost protection measures. However, in regions where winter temperatures drop below -25°C, it is crucial to protect the plant against the cold by wrapping the trunk and branches with non-woven fabric or cloth. Additionally, watering the plant generously before the first freeze of autumn helps keep the soil moist and prevents drought and water scarcity throughout the winter and early spring.

What should I do if I give too much or too little water to Japanese persimmon?

If a Japanese persimmon is overwatered, its leaves may turn yellow, drop off, and wilt. The plant may also appear unhealthy and dull, with mushy stems. If you notice these signs, it's best to adjust your watering schedule when possible. However, wilting can also be a sign of underwatering. In this case, the leaves may become crispy and dry. When the soil is dry and simply watering is not enough, give the plant a thorough watering on time. Sufficient water will help the Japanese persimmon recover, but the plant may still have dry, yellow leaves for a few days due to damage to the root system. Once the plant returns to normal, the yellowing of the leaves will stop. If you have a Japanese persimmon indoors, always check the moisture levels in the pot. Avoid overwatering and look for signs of black spots. If you see these spots, let the soil dry out by refraining from watering for a few days. Overwatering can lead to root rot, so if you suspect this is happening, consider transferring the plant to a different pot, especially if you notice discolored and slimy roots. It is important to prevent root rot by avoiding overly soggy soil. When planting a Japanese persimmon outdoors, dig a little deeper. If you find the soil is too dry when you check with your fingers, this may indicate underwatering. Adequate watering is necessary to help the plant recover.

When should I put fertilizer on my Japanese persimmon tree?

The best time to fertilize Japanese persimmon trees is in early spring, before the buds start growing. During this time, the tree relies on the energy it stored over winter to produce new growth. To support the development of blooms, it's important to fertilize the tree 2 to 4 weeks before you expect it to bloom. This gives enough time for the nutrients to soak into the soil and be absorbed by the plant. It's also possible to continue fertilizing the tree throughout spring, but avoid fertilizing in autumn as this can cause excessive foliage growth late in the season, making the leaves vulnerable to winter damage.

How can artificial lighting be used for Japanese persimmon?

Indoor Japanese persimmon plants require adequate lighting for optimal growth. When natural sunlight is not enough, especially during winter or in less sunny spaces, artificial lights can be vital. For achieving the best results, select the right type of artificial light, with LED lights being a popular choice due to their customizability in providing specific wavelengths needed by plants. The intensity of the light should range based on the plant's natural sunlight needs: 30-50W/sq ft for full sun plants, 20-30W/sq ft for partial sun, and 10-20W/sq ft for full shade plants. Place the artificial light source 12-36 inches above your plant and ensure it receives 8-12 hours of light per day to mimic natural daylight hours.

How does low temperature affect Japanese Persimmon and what are the solutions?

Japanese persimmon demonstrates strong cold tolerance, preferring temperatures to remain above 10°C. It is crucial to maintain winter temperatures above -15°C to avoid damage. When exposed to temperatures below -25°C, the plant may not show immediate distress, but its branches can become brittle and dry by spring, hindering the emergence of new shoots. The solution to this challenge is straightforward: in spring, prune away any dead branches that failed to produce new leaves, stimulating the growth of healthy new ones.

How frequently should I water my Japanese persimmon tree?

The Japanese persimmon prefers deep and infrequent watering, especially when planted in pots. To ensure proper hydration, soak them in a gallon of water each time. Since the water storage in flower pots is limited, the soil can dry out quickly. In colder regions, water every 3 to 5 days, preferably in the morning when the soil is dry. To determine if watering is necessary, check the soil inside. If the top 2-3 inches of soil are dry, it's time to water the plant thoroughly. On hot days, check the moisture level daily as the pot soil can dry out rapidly. In garden areas, irrigation is necessary as well. In hot climates, watering once a week should suffice. Only water when you notice that about 2 to 3 inches of soil have become too dry. Take into account the amount of rainfall to prevent overwatering and root rot. During the growing seasons (spring and fall), outdoor plants may require mulch about 3 to 4 inches deep to conserve water. Sandy soil drains faster and thus requires more frequent watering. On the contrary, clay soil can go 2-3 days without water to avoid root rot. Keeping track of watering dates on a calendar can help ensure timely hydration. If the leaves start drooping, it might be an indication that watering is slightly overdue.

When is it best not to use fertilizers on my Japanese persimmon?

To ensure the healthy growth of Japanese persimmon, it is important to follow these guidelines for fertilizing. In the first year of growth, it is recommended to avoid fertilization altogether. Even after that, it is important to assess whether fertilization is necessary before proceeding. Additionally, if more than 20% of the plant was pruned the previous year, fertilization should be avoided. Similarly, if the plant is diseased or damaged, fertilization should not be done as it can be harmful. Remember that fertilizer is not a cure-all solution and it is important to address the underlying issue before considering fertilization. Timing is also crucial when it comes to fertilizing Japanese persimmon. Avoid fertilizing after the peak of summer, as this can result in excessive growth right before winter. Similarly, refrain from fertilizing during hot and dry periods, as dry soil does not effectively deliver fertilizer and it can stimulate growth that requires more water, which may not be available. It is best to apply fertilizer earlier in the season when temperatures are cooler. Lastly, it is worth noting that Japanese persimmon can absorb fertilizer from nearby plants or lawns, so take care to avoid inadvertently providing plants with a double dose of fertilizer.

What are the symptoms of light deficiency or excess in Japanese persimmon?

Japanese persimmon shows different symptoms depending on whether it is experiencing light deficiency or excess. Insufficient light can lead to smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, lighter-colored new leaves, and chlorosis (yellowing leaves). On the other hand, excessive sunlight exposure can cause symptoms like sunscald, leaf curling, wilting, leaf scorching, and overall plant health reduction. These symptoms indicate the plant's struggle with adapting to the light conditions, signaling the need for adjustment in their light exposure.

How does high temperature affect Japanese Persimmon and what are the solutions?

During the summer, it is important to ensure the Japanese persimmon does not experience temperatures above 38°C. Exposure to temperatures exceeding 43°C can cause the plant's leaves to lighten in color and their tips to dry out and wither, increasing susceptibility to sunburn. To mitigate these issues, trim away the damaged portions of the plant. Additionally, moving the plant to a shaded location or employing a shade cloth can provide protection from the harsh midday and afternoon sun. Maintaining soil moisture through watering in the morning and evening is crucial for the plant's health during high temperatures.

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