Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rhamnaceae

Genus:

Rhamnus

Species:

Rhamnus japonica

USDA Symbol:

RHJA8

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Tree

Height:

300 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

apr,may,jun

Bloom Colors:

yellow, green

Landscaping Shrub:

Yes

Garden & Ecology Notes

Wildlife Value:

birds

Fall Color:

yellow

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

Prefers forested areas with organic matter

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–60 days

Notes:

Seeds benefit from cold stratification; germination can be erratic without pretreatment.

The above propagation data sourced from Claude AI