Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apocynaceae

Genus:

Asclepias

Species:

Asclepias cooperi

Growth Characteristics

Growth Habit:

Forb/herb

Height:

100 cm

Drought Tolerance:

High

Bloom Months:

apr,may,jun

Bloom Colors:

white, cream, greenish-white

Keystone Species Ranking

Caterpillar Keystone:

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

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, Monarch butterflies

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 germinate best with light and warm temperatures after cold stratification. Fresh seed has higher viability.

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