wax apple
Syzygium samarangense
About this plant
Syzygium samarangense, commonly called wax apple or Java apple, is a tropical fruit tree known for its bell-shaped, shiny fruits that are crisp and juicy. The tree has glossy green leaves and produces small white flowers. It is often grown in home gardens and orchards in tropical regions for its refreshing fruit and attractive appearance.
Taxonomy
- Genus
- Syzygium
- Family
- Myrtaceae
- Higher classification
- Myrtales
- Plant type
- Tree
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Indonesia, Malaysia, Philippines
- Distribution
- Widely cultivated in tropical Asia, including Indonesia, Malaysia, the Philippines, and parts of India; also grown in tropical areas worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, Southeast-facing, Southwest-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- High
- Minimum
- 15 °C
- Maximum
- 40 °C
- Optimal
- 20-30 °C
- USDA hardiness zones
- 10-12
- Soil pH
- 5.5-7.5
- Soil type
- well-draining loam, sandy soil
Watering. Water regularly during dry periods but allow the soil to dry slightly between waterings to prevent root rot. Reduce watering in cooler months.
Fertilizing. Feed the tree with a balanced fertilizer every 2-3 months during the growing season to support healthy growth and fruit production. Organic compost can also be beneficial.
This tropical tree grows best in warm climates with plenty of sunlight but can tolerate some shade. It prefers well-draining soil and moderate watering. Watch for pests and avoid overwatering to keep it healthy. Regular pruning helps maintain shape and encourages fruit production.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Glossy green leaves, white flowers, and shiny bell-shaped fruits that range in color from white to pink or red.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets; fruits are edible and safe to eat.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen
- Pollen level
- Moderate
Syzygium samarangense, also known as the wax apple, can produce pollen that might cause mild allergic reactions in sensitive individuals. People who are allergic to pollen may experience sneezing or itchy eyes during its flowering period. To reduce exposure, avoid being near the tree when it is blooming.
Common problems
Common problems include root rot from overwatering, leaf spots from fungal infections, and occasional pest issues like aphids or scale insects.
Uses
Grown mainly for its edible fruit, which is eaten fresh or used in salads and desserts. Also valued as an ornamental tree in tropical gardens.
Notes
Prune after fruiting to maintain shape and remove dead branches. Protect young trees from strong winds. Repotting is not typical as it is usually grown in the ground outdoors in suitable climates.