Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Lamiaceae

Genus:

Collinsonia

Species:

Collinsonia japonica

Growth Characteristics

Growth Habit:

Forb/herb

Height:

100 cm

Drought Tolerance:

Medium

Bloom Months:

aug,sep,oct

Bloom Colors:

yellow

Keystone Species Ranking

Caterpillar Keystone:

★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Fragrant:

Yes

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–30 days

Notes:

Seeds benefit from light exposure during germination. Fresh seed germinates better than stored seed.

The above propagation data sourced from Claude AI