Tetradium daniellii
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Tetradium daniellii

Bee bee tree · Korean euodia · Hube evodia · Bee Tree

Tier 1 Difficulty: easy Water: low Light: full_sun
Water every
14 days
Temperature
5–32 °C
Soil pH
6–8
Hardiness
Zone 4–8
Click count
246
Observations
458

Description

Source: leafsnap

Tetradium daniellii, the bee-bee tree or Korean evodia, is a species of flowering plant in the family Rutaceae. It is native to Korea and southwestern China.Tetradium daniellii var. hupehensis was formerly classed as Euodia hupehensis

Care Guide

💧 Water Every 2 weeks

The bee-bee tree thrives in its native environment and can tolerate moderate drought, though it prefers consistent moisture. To prevent over-saturation, water the tree once every two weeks. In temperate regions, where the tree is typically grown outdoors, applying mulch can help retain moisture and protect the tree from temperature fluctuations.

Suggested frequency: Every 2 weeks
FAQ
How should I water my Bee-bee tree in the best way?

To ensure excellent root development, place a garden hose at the base of the plant. Make sure to avoid spraying the leaves directly. If the plant is outdoors and exposed to direct sunlight, the leaves will need more water. You can also use bubblers to moisten the roots of each plant or soaker hoses to cover the entire garden or bed. When adding or removing plants, use soaker hoses to ensure deep root growth. After watering, drain any excess water and allow the soil to dry before watering again. To prevent diseases, water the plants at ground level. On sunny days, it's beneficial to spray the entire bush with water. Whether the plant is in a pot or in the ground, remember that the Bee-bee tree prefers deep watering rather than light sprinkling.

What should I do if I give too much or too little water to my Bee-bee tree?

If you overwater a Bee-bee tree, its leaves can turn yellow, drop off, and wilt. The plant may also look unhealthy with mushy stems. When these signs appear, try adjusting your watering schedule. Wilting can also indicate under watering, in which case the leaves will become crispy and dry. If the soil is dry and watering alone isn't enough, give the tree a thorough watering. However, even with enough water, the damaged root system may cause the tree to still appear dry and have yellow leaves after a few days. Once it returns to normal, the yellowing will stop. Additionally, when keeping a Bee-bee tree indoors, regularly check the moisture levels and avoid overwatering. Look out for black spots, and if present, allow the soil to dry out for a few days. Overwatering can lead to root rot, so consider transferring the plant to a different pot if you see discolored and slimy roots. Always take preventive measures to avoid root rot and ensure the soil does not become too soggy. When planting a Bee-bee tree outdoors, check the soil's moisture by digging a little deeper. If it's too dry, it may indicate under watering, so make sure to provide adequate water for the plant to recover.

How frequently should I give water to my Bee-bee tree?

To properly care for the Bee-bee tree, it is important to provide enough water but avoid overwatering. When planting in pots, be sure to soak the tree with a gallon of water each time, as the limited storage in pots causes the soil to dry out quickly. In colder regions, watering every 3 to 5 days is necessary. Watering should be done early in the morning when the soil is dry, regardless of whether the tree is outdoors or indoors. You can check if watering is needed by examining the soil. If the top 2-3 inches of soil is dry, it is time to water the plant thoroughly. During hot days, check the moisture levels daily, as high temperatures can rapidly dry out the soil in pots. For garden trees, irrigation is also necessary. In hot climates, watering once a week is sufficient. Only water when you notice that the top 2-3 inches of soil is too dry, both indoors and outdoors. Consider the amount of rainfall and avoid excessive watering to prevent root rot. Mulch can be added to outdoor trees to conserve water. In sandy soil, watering should be done more frequently due to faster drainage. In clay soil, watering can be less frequent, with intervals of 2-3 days to allow the plant to dry out and prevent root rot. It may be helpful to mark the watering dates on a calendar and pay attention to any drooping leaves as a sign that watering may be needed.

How much water does my Bee-bee tree need?

The Bee-bee tree typically requires about a gallon of water on a regular basis. For potted plants, water them deeply until you see water dripping from the bottom of the pot. Then, allow the soil to dry before watering again. Use a water calculator or moisture meter to determine how much water you've given your plant each week. Give plenty of water, especially during the flowering period, but allow the moisture to evaporate afterwards to avoid root rot. If the Bee-bee tree is planted outdoors and receives sufficient rainfall, it may not need additional watering. However, when the Bee-bee tree is young or newly planted, ensure it receives 1-2 inches of rain per week. As the tree grows, it can rely solely on rainfall. Only during extremely hot weather or a lack of rainfall for 2-3 weeks should you consider giving the Bee-bee tree a thorough watering during cooler parts of the day to prevent heat damage. Additional watering will be necessary during prolonged dry periods.

Should I change how often I water my Bee-bee tree depending on the time of year or the weather?

To ensure the Bee-bee tree's optimal growth, it requires adequate watering. Generally, the tree thrives from rainfall, but during persistent dry weather, you may need to water it. In the spring and fall, maintain moist soil conditions without making it soggy. Alternating between dry and moist soil will promote healthy growth. In the summer, hot weather can cause water to evaporate quickly. If there is little rainfall, you will need to water the tree more frequently to keep the soil moist. During winter, the tree needs less water as it goes dormant. Use well-draining but moisture-retentive soil like terracotta. Once the tree starts leafing out and going dormant, you can stop watering and rely on fall and winter rains. To encourage growth and blooming, cultivate the tree after spring when the temperature gets warmer. Ensure good drainage at all times, particularly during winter, as the tree dislikes excess water. When planted in pots, the tree's root growth is limited. Keep them well-watered, especially in summer, but ensure proper drainage. Water the entire root system deeply once or twice a week, depending on the weather, avoiding shallow sprinkling that reaches the leaves. Even during dormancy, don't let the tree dry out completely in the fall or winter. Avoid overwatering, as the tree doesn't thrive in excessive water or poor soil drainage, which can lead to its death in winter. Applying mulch is beneficial as it reduces stress, conserves water, and promotes healthy blooms.

☀️ Light Full sun

The bee-bee tree thrives in places with plentiful light and requires ample exposure for healthy growth. While it can persist in areas where light intensity is reduced, its best development happens with uninterrupted sunlight. Excessive or insufficient light can weaken the plant's vigor or slow its growth.

Ideal: Full sun
FAQ
What are the sun requirements for the Bee-bee tree?

The Bee-bee tree thrives best in full sun conditions, necessitating more than 6 hours of sunlight daily for optimal growth. It can also grow in partial sun, which equals about 3-6 hours of sunlight a day. Observing the movement of sunlight through your garden is crucial to finding spots with the ideal balance of light and shade, ensuring your plants are happy and healthy.

What are the essentials for growing a Bee-bee tree?

The essentials for growing a Bee-bee tree involve ample light exposure, as this plant flourishes in areas with an abundance of sunlight. While it can survive in lower light intensities, its healthiest growth is achieved under unbroken sun exposure. Both insufficient and excessive light can negatively affect the plant's vitality and growth rate. In scenarios where natural light is limited, especially during winter or in less sunny areas, artificial lighting can be a crucial supplement, enhancing the plant’s growth by providing necessary light wavelengths. LED lights are recommended for their adaptability to a plant's specific needs, suggesting a range of 30-50W/sq ft for full sun plants, 20-30W/sq ft for partial sun plants, and 10-20W/sq ft for full shade plants. The distance of the light source (12-36 inches above the plant) and the duration of exposure (8-12 hours per day) should be adjusted to mimic natural sunlight conditions as closely as possible.

What are some important symptoms of light deficiency or excess in Bee-bee trees?

Bee-bee trees exhibit several symptoms when affected by suboptimal lighting conditions, including smaller new leaves, leggy or sparse growth, faster leaf drop, slower or halted growth, and lighter-colored or pale new leaves. These signs indicate either a deficiency or excess in light exposure. Conditions like chlorosis, sunscald, leaf curling, wilting, and leaf scorching can occur due to improper light conditions, each affecting the plant's ability to thrive and maintain health. Chlorosis and sunscald are reactionary conditions to the intensity of light, with chlorosis being a result of insufficient sunlight leading to yellowing leaves, and sunscald occurring due to damage from intense sunlight exposure. Leaf curling, wilting, and leaf scorching are defense mechanisms or symptoms of distress under extreme sunlight. Managing these conditions effectively can ensure the plant's health and growth.

How do you address light-related issues in Bee-bee trees?

To address light-related issues in Bee-bee trees, a gradual adjustment in the plant’s exposure to sunlight is recommended. For indoor plants, progressively move them to sunnier locations each week until they receive at least 6 hours of direct sunlight daily; utilizing south-facing windows and keeping curtains open during daylight maximizes sunlight exposure. Installing artificial lights can supplement light intake, particularly for large plants or in areas without adequate natural light. For outdoor plants, adapting them to the best sunlight exposure by gradually moving them to sunnier spots can prevent shock and sunburn. Minimizing obstructions to sunlight and considering the transplantation of smaller plants during their dormant periods into locations with ample sunlight and good drainage are also effective strategies. Notably, damaged parts of the plant might not recover entirely, but increasing light exposure can foster new, healthy growth.

🌡️ Temperature 5–32.2°C

Bee-bee tree comes from habitats with temperatures ranging from 41 to 90 °F (5 to 32 ℃). It does better in warmer months but can withstand cooler periods. Care should be adjusted during drastic temperature variations.

Ideal temperature: 5–32.2°C
FAQ
What temperatures can the Bee-bee tree tolerate?

The Bee-bee tree, or Tetradium daniellii, thrives in environments with temperatures ranging from 41 to 90 °F (5 to 32 °C), enjoying warmer months while being able to tolerate cooler periods. It has strong cold resistance, meaning special frost protection measures are not normally necessary. However, if winter temperatures are expected to drop below -30°C, it’s important to protect the plant by wrapping its trunk and branches with insulating materials like non-woven fabric or cloth to prevent damage.

How do you care for a Bee-bee tree during winter?

For the Bee-bee tree's winter care, it is recommended to water the plant abundantly before the first freeze of autumn so the soil remains moist and enters a frozen state. This practice helps the tree avoid drought and water scarcity issues during the winter and early spring. Additionally, if extremely low temperatures below -30°C are expected, the tree should be protected by covering it to prevent frost damage.

What are the signs of temperature stress in the Bee-bee tree?

Signs of temperature stress in the Bee-bee tree include branches becoming brittle and dry, especially after temperatures fall below -30°C, leading to a lack of new shoots in spring. During high temperatures, above 35°C, the leaves may lighten in color, with tips becoming dry and the plant suffering from sunburn. To mitigate these issues, prune dead branches in spring and trim sunburned parts, respectively. Also, consider moving the plant to a shadier location or using a shade cloth during hotter months and ensure the soil remains moist.

💨 Humidity
Humidity:
🪴 Soil 6-8
Soil pH: 6-8
🌱 Fertilizer

Timing is essential when fertilizing the Bee-bee tree. Apply fertilizer in early spring and repeat monthly through early summer. Fertilizer encourages attractive blooms and supplies energy during both dormant and active growth phases.

FAQ
Why do I have to put fertilizer on my Bee-bee tree?

Fertilizing a Bee-bee tree is important for several reasons. One of the most obvious benefits is that it helps the tree produce beautiful blooms. For the best flower display in the spring, it's recommended to fertilize the tree early on. Additionally, fertilizer provides the tree with extra energy that it can store in the ground while it's in its dormant growth phases. By giving the tree some additional nutrients during fall planting or late spring, it will be able to store more energy to use when it resumes active growth.

When should I put fertilizer on my Bee-bee tree?

To effectively fertilize Bee-bee tree, timing is crucial. If you apply fertilizer too early while the tree is still dormant, it won't be effective and will be washed away by rainwater, causing waste and pollution. It's best to apply the first round of fertilizer in early spring, and continue with monthly applications until early summer.

When is the best time to not fertilize my Bee-bee tree?

To ensure optimal growth and bloom production for Bee-bee tree, it is important to carefully consider its fertilization needs. Avoid using fertilizers with excessive nitrogen content, as this can lead to an abundance of leaves but fewer blooms. Instead, opt for fertilizers that have a lower nitrogen level in comparison to other nutrients. It is also crucial to refrain from fertilizing the Bee-bee tree during the late autumn, as this can spur excessive growth right before winter. Additionally, avoid fertilizing the tree during hot and dry periods, as the dry soil may not effectively deliver the fertilizer and could potentially stimulate growth that requires more water than available. The ideal time for fertilization is earlier in the season when temperatures are cooler. Lastly, be mindful that the Bee-bee tree can absorb fertilizer that has been applied to nearby plants or lawns, so it is important to be cautious and avoid inadvertently providing the tree with a double-dose of fertilization.

What kind of fertilizer does my Bee-bee tree need?

The Bee-bee tree thrives with a fertilizer that has a balanced mix of plant nutrients, with a slightly higher amount of phosphorus. Alternatively, some gardeners prefer to enhance the tree's soil by adding organic materials like compost, worm castings, and manure. Experienced gardeners often supplement with water-soluble fertilizers containing phosphorus when the flower buds start appearing. This enhances flower development, resulting in larger and longer-lasting blooms. Fertilizers for Bee-bee trees can be in various forms, and both liquid and powdered options are considered the best. Regardless of the form you choose, it is important to dilute the fertilizer and apply it while watering the tree.

How should I feed my Bee-bee tree?

To ensure proper fertilization for your Bee-bee tree, it's crucial to follow specific directions for the fertilizer type and conduct some research. Avoid over-fertilizing the tree, so it's important to determine the correct amount needed. As a general guideline, you can base the amount on the tree's age (if known) or the trunk's diameter. For each year of the tree's age or each inch of trunk, use an estimate of one-tenth of a pound of fertilizer, with a maximum of one pound. Granular and organic fertilizers, like blood meal, can be applied by sprinkling them around the tree's base, covering the area until the drip line (the space beneath the furthest-reaching branches). It's essential to prevent the fertilizer from coming into direct contact with the trunk. Over time, the granules will break down and filter into the soil, allowing the roots to absorb them. After fertilizing, make sure to spread a one-inch layer of compost around the tree's base and thoroughly water it.

🪴 Pot & Repot
✂️ Pruning

The bee-bee tree is valued for its fragrant flowers and its ability to attract pollinators. To maintain its health and beauty, it should be pruned in early spring. Use selective thinning to improve air circulation or clean-up pruning to remove any damaged branches. Avoid heavy pruning in late summer, as this can lead to winter damage. For the best results, adhere to reliable horticultural practices.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree, Shrub
Life Cycle
Perennial
Genus
Tetradium
Family
Rutaceae
Hardiness Zone
4-8
Mature Height
7.62 m to 7.62 m
Mature Spread
6.1 m to 9.14 m
Leaf Color
Green, Yellow
Leaf Type
Deciduous
Flower Color
White
Flower Size
2.54 cm
Bloom Time
Early summer, Mid summer
Planting Time
Spring, Summer
Harvest Time
Late summer, Early fall, Mid fall
Native Area
Myanmar, China

Tags (4)

Common Names (4)

en Bee bee tree
en Korean euodia
en Hube evodia
en Bee Tree