
Elaeocarpus decipiens
Japanese Blueberry Tree
Family |
Elaeocarpaceae |
Genus |
Elaeocarpus |
Species |
decipiens |
Category |
Woody |
Type |
Tree (evergreen) |
USDA Hardiness Zone |
8b - 11a |
Canadian Hardiness Zone |
4 - 9 |
RHS Hardiness Zone |
H7 |
Temperature (°C) |
-9 |
Temperature (°F) |
20 |
Height |
12 - 18 m |
Spread |
6- 9 m |
General Description |
A small tree or large hedge with glossy, dark green leaves. |
Landscape |
Used as hedges, tall screens, street trees or as a backdrop. |
Cultivation |
Prefers rich, well-drained soil with a pH of 6 - 7. It tolerates a wide variety of media and prefers full sun, but can survive in partial shade. |
Shape |
Dense, upright oval/columnar. |
Growth |
Slow |
ID Characteristic |
Long, narrow, pointed dark green leaves that emerge a bronze colour. |
Habitat |
Sub-tropical coasts. |
Bark/Stem Description |
Mature bark is smooth and dark grey to brown with prominent, raised tan and brown lenticels. New growth emerges as a bright green. |
Flower/Leaf Bud Description |
​Buds are small, ovoid, green and about 1.6 mm or less in length. |
Leaf Description |
Leaves are arranged alternately. They are a lustrous dark green and measure 7 - 12 cm long and about 2.5 cm wide. They have a long, narrow obovate shape. They are simple, pointed, with crenate leaf margins and have a leathery texture. New leaves emerge a rust colour and are hairy, while older leaves turn an orange to bright red before they fall. |
Flower Description |
Small flowers white to cream in colour and occur in dangling, urn-shaped racemes. They have 5 petals, are usually hidden within the foliage and are particularly fragrant in large numbers. |
Fruit Description |
Small, royal blue to black in colour, measure about 3.5 to 7 cm in length. They form in drupes and resemble olives. |
Texture Description |
Medium. |
Propagation |
Propagation by soft wood cuttings or seed. |
Ethnobotanical Uses (Disclaimer) |
The seed of the berries have been used in the Hindu culture as prayer beads. |