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Common Milkweed

Photos are representative and may not match your specific variety.

Common Milkweed

Native wildflower

Asclepias syriaca

  • Full sun
  • Zones 3–9
  • 60 days to maturity
  • Flowers
  • 24" spacing
  • Low water
  • Perennial
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  • Overview

    Common Milkweed (Asclepias syriaca) is a perennial native wildflower. Hardy in USDA zones 3 to 9. Prefers full sun.

  • Planting

    Direct sow after last frost (soil 60°F+), or start indoors 6–8 weeks before last frost and transplant after frost danger. Seeds benefit from 30-day cold stratification.

  • Growing

    Sun: full. Water: low. Soil: Poor to moderately fertile, well-drained; tolerates clay and compacted soils. Space plants 24" apart. Germination: 7–14 days.

  • Pests & diseases

    Common pests: Milkweed beetle, milkweed bug, monarch caterpillars (not a pest—beneficial). Common diseases: Leaf spot (fungal), rust; rarely serious in established plants.