Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Apocynaceae

Genus:

Asclepias

Species:

Asclepias macrotis

USDA Symbol:

ASMA

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Subshrub

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may,jun,jul,aug

Bloom Colors:

white, green, purple

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 root crown after fire. Common in fire-adapted grassland ecosystems of the Southwest.

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Native to arid regions; prefers open, sunny areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds benefit from light exposure during germination. Germination rates can be variable even with proper treatment.

The above propagation data sourced from Claude AI