Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apocynaceae

Genus:

Asclepias

Species:

Asclepias stenophylla

USDA Symbol:

ASST

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb , Subshrub

Height:

90 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jun,jul,aug

Bloom Colors:

white, pale green

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

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 vigorously from deep taproots after fire. Common in fire-maintained prairie ecosystems.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers open prairies and plains

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds require light for germination. Surface sow or barely cover. Best germination at 70-75°F after cold stratification.

The above propagation data sourced from Claude AI