Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apocynaceae

Genus:

Asclepias

Species:

Asclepias coulteri

Growth Characteristics

Height:

100 cm

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug,sep

Bloom Colors:

white, cream, pink

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

monarch butterflies, bees, other pollinators

Deer Resistant:

Yes

Fragrant:

Yes

Source: Claude claude-sonnet-4-5-20250929 Batch

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds benefit from light for germination. Fresh seed germinates best; viability decreases with storage.

Source: Claude claude-sonnet-4-5-20250929 Batch