Slim Milkweed

Asclepias linearis

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apocynaceae
Genus:
Asclepias
Species:
Asclepias linearis

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
1-2 ft
Bloom Months:
may, jun, jul, aug, sep, oct, nov
Bloom Colors:
White, Green

Native Range

United States: Maryland, Texas

Keystone Species Ranking

Caterpillar Keystone:
★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Host Plant for Caterpillars

Queen butterfly (Danaus gilippus)

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Native to arid and semi-arid regions

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Notes: Seeds may require light for optimal germination.

Source: OpenAI GPT-4o