Buddleja japonica

Buddleja japonica

Native to:
Japan

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Scrophulariaceae
Genus:
Buddleja
Species:
Buddleja japonica

Growth Characteristics

Growth Habit:
Shrub
Height:
300 cm
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
white, pale lavender
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
butterflies, bees
Deer Resistant:
Yes
Fragrant:
Yes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination; sow on surface and maintain consistent moisture.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Requires light or the seed is very fine. Surface sow and expose to light. * light requirement increases as seeds dry (about 1 year )

Source: Ontario Rock Garden & Hardy Plant Society