Asclepias cryptoceras subsp. davisii

Asclepias cryptoceras subsp. davisii

Native to:
United States | CA, ID, NV, OR, WA

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apocynaceae
Genus:
Asclepias
Species:
Asclepias cryptoceras subsp. davisii

Growth Characteristics

Growth Habit:
Forb/herb
Height:
30 cm
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
cream, yellow-green

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
butterflies, bees, specialized insects
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 require light for germination. Sow on surface or barely cover. Germination is typically faster with warm temperatures after cold stratification.

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

ORGHPS Germination Guide: Should not need chilling

Source: Ontario Rock Garden & Hardy Plant Society