Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apocynaceae

Genus:

Asclepias

Species:

Asclepias atroviolacea

Growth Characteristics

Height:

60 cm

Drought Tolerance:

High

Bloom Months:

may,jun,jul

Bloom Colors:

purple, maroon

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

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from perennial rootstock after fire or disturbance, typical of prairie and grassland milkweeds.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds require light for germination and benefit from cold-moist stratification to improve germination rates.

The above propagation data sourced from Claude AI