Bignay
Antidesma Bunius
Antidesma bunius, commonly known as Bignay or Chinese Laurel, is a tropical fruit tree native to Southeast Asia. Valued for its sweet, tangy berries, it thrives in warm climates and is often grown for its ornamental foliage and fruit production.
Everything it needs
9 essentials at a glance
Watering
Antidesma bunius prefers consistently moist soil but does not tolerate waterlogging.
Water the plant deeply once a week during the growing season, allowing the top inch of soil to dry out between waterings. In cooler months, reduce watering to every 10-14 days. Signs of over-watering include yellowing leaves and root rot, while under-watering can cause wilting and leaf drop.
Light
This plant thrives in full sun to partial shade, ideally receiving 6-8 hours of sunlight daily.
It can tolerate some shade, especially in hotter climates, but too little light may hinder fruit production. Ideal placement includes a south-facing window or a garden spot with filtered sunlight.
Soil
Antidesma bunius prefers well-draining soil rich in organic matter, with a pH range of 5.5 to 7.0.
A mix of potting soil, compost, and perlite or sand is recommended to ensure good drainage and aeration.
Humidity
This plant enjoys moderate to high humidity levels, ideally between 50-70%.
To increase humidity, mist the leaves regularly or place a humidity tray filled with water and pebbles beneath the pot. Signs of low humidity stress include browning leaf tips and leaf drop.
Temperature
Antidesma bunius thrives in temperatures between 70-85°F (21-29°C) and is hardy in USDA zones 10-11.
It can tolerate brief drops to 50°F (10°C) but should be protected from frost and extreme heat.
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10 or similar.
Fertilize every 4-6 weeks during the growing season and reduce frequency in the fall and winter. Signs of nutrient deficiency include yellowing leaves (nitrogen), poor fruit development (phosphorus), and stunted growth (potassium).
Pruning
Prune Antidesma bunius in late winter or early spring to encourage bushier growth and remove any dead or damaged branches.
Use clean, sharp pruning shears to make cuts just above a leaf node. Deadheading is not necessary, but removing spent fruit can help maintain the plant's appearance.
Repotting
Repot every 1-2 years or when the roots become root-bound, indicated by roots growing out of the drainage holes.
Choose a pot 1-2 inches larger in diameter. To repot, gently remove the plant from its current pot, loosen any tightly bound roots, and place it in fresh potting mix, ensuring the root ball is at the same depth as before.
Propagation
Propagation can be achieved through stem cuttings or seeds.
For stem cuttings, take 4-6 inch cuttings from healthy stems, remove the lower leaves, and plant them in a well-draining potting mix. Keep the soil moist and place the cuttings in a warm, bright location. For seeds, sow them in a seed-starting mix and keep them warm and moist until germination occurs, usually within 2-4 weeks.
When it's unhappy
Yellowing leaves
Why it happens
Often caused by over-watering or nutrient deficiency.
How to fix it
Check soil moisture levels and adjust watering schedule. If nutrient deficiency is suspected, apply a balanced fertilizer.
Leaf drop
Why it happens
Can occur due to sudden temperature changes or low humidity.
How to fix it
Maintain stable temperatures and increase humidity levels around the plant.
Root rot
Why it happens
Caused by over-watering and poor drainage.
How to fix it
Ensure proper drainage and reduce watering frequency. If root rot is severe, consider repotting into fresh soil.
Pest infestations (e.g., aphids, spider mites)
Why it happens
Pests can thrive in dry conditions or when the plant is stressed.
How to fix it
Regularly inspect the plant and treat infestations with insecticidal soap or neem oil.
Poor fruit production
Why it happens
Can be due to insufficient light or nutrient imbalance.
How to fix it
Ensure the plant receives adequate sunlight and fertilize appropriately during the growing season.
Care through the year
Spring
In spring, increase watering as the plant begins to actively grow. Fertilize every 4-6 weeks to support new growth and fruit development.
Summer
During summer, ensure the plant receives full sun and monitor for pests. Water regularly to keep the soil consistently moist, especially in hot weather.
Fall
In fall, gradually reduce watering as the plant's growth slows. Continue to fertilize until late fall, then stop for the winter months.
Winter
In winter, reduce watering to every 10-14 days and keep the plant in a warm area away from drafts. Avoid fertilizing during this dormant period.
Toxicity & Safety
Antidesma bunius is considered non-toxic to pets and children. However, ingestion of large quantities of unripe fruit may cause mild gastrointestinal upset. Always ensure that fruits are fully ripe before consumption.
Good to know
How often should I water my Antidesma bunius?
Water your Antidesma bunius once a week during the growing season, allowing the top inch of soil to dry out. In cooler months, reduce watering to every 10-14 days.
What type of soil is best for Antidesma bunius?
A well-draining soil rich in organic matter is ideal for Antidesma bunius. A mix of potting soil, compost, and perlite or sand works well.
Why are my Antidesma bunius leaves turning yellow?
Yellowing leaves can indicate over-watering or a nutrient deficiency. Check the soil moisture and consider fertilizing if necessary.
What temperature is best for Antidesma bunius?
Antidesma bunius thrives in temperatures between 70-85°F (21-29°C) and should be protected from frost and extreme heat.
Can I grow Antidesma bunius indoors?
Yes, Antidesma bunius can be grown indoors as long as it receives sufficient light, ideally from a south-facing window, and is kept in a warm environment.
How do I propagate Antidesma bunius?
You can propagate Antidesma bunius through stem cuttings or seeds. For cuttings, take healthy stems, remove lower leaves, and plant them in moist potting mix.
What are the signs of humidity stress in Antidesma bunius?
Signs of humidity stress include browning leaf tips and leaf drop. To increase humidity, mist the leaves or use a humidity tray.
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