How to Grow Purple Milkweed
Asclepias purpurascens
Your complete guide to growing Purple Milkweed.
When to Plant Purple Milkweed
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
Companion Plants for Purple Milkweed
✓ Good companions
Similar growing conditions and blooming periods attract diverse pollinators
Extends pollinator season with late summer blooms, attracts predatory insects
Provides structural support and creates natural prairie habitat
Sequential blooming provides continuous nectar source for monarch butterflies
Ornamental grass that complements without competing for nutrients
Complementary heights and colors, shared preference for well-drained soil
Attracts beneficial insects and provides pest deterrent properties
Attracts beneficial predatory insects that control milkweed pests
✗ Keep away from
Produces juglone which is toxic to milkweed and inhibits growth
Invasive legume that fixes nitrogen, disrupting milkweed's preferred low-nitrogen soil
Aggressive spreading habit can overwhelm and crowd out milkweed