Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Fabaceae

Genus:

Styphnolobium

Species:

Styphnolobium japonicum

USDA Symbol:

STJA9

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

2500 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jul,aug,sep

Bloom Colors:

white, cream

Garden & Ecology Notes

Wildlife Value:

bees, birds

Deer Resistant:

Yes

Salt Tolerant:

Yes

Fragrant:

Yes

Fall Color:

yellow

Soil Requirements

Soil Type:

fertile, well-drained loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to well-drained, fertile soils in China and Korea

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Scarification:

Seed coat scarification required before sowing

Germination Time:

14–42 days

Notes:

Scarification of the hard seed coat followed by cold stratification improves germination. Soaking in hot water can substitute for mechanical scarification.

The above propagation data sourced from Claude AI