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How to Grow Asclepias incarnata Plants in your Garden

Gardener's HQ Guide to Growing Swamp Milkweed

Swamp milkweed

Asclepias incarnata, flower photograph by Fritz Flohr Reynolds.


Asclepias incarnata Growing and Care Guide

  • Scientific Name: Asclepias incarnata
  • Common Name: Swamp milkweed
  • Growing Zone: USA: 3 to 8
  • Life Cycle / Plant Type: Perennial

Plant Details

  • Plant Height (Inches): 30 to 48
  • Plant Spread (Inches): 12 to 24
  • Time of Bloom: Middle of summer to early autumn
  • Flower Details: Pink, Purple
  • Leaf Foliage: Green
  • Fruit:
  • Growth Form: Upright / erect

Ideal Growing Conditions

  • Best Light Conditions: Partially shady to full sunlight
  • Rate of Growth: Average pace
  • Suitable Soil Types: Loamy, Neutral
  • Soil Moisture: Moist/Wet

Caring Conditions

  • Care:
  • Level of Maintenance: Low
  • Propagation: Seeds
  • How to Prune: Not usually required
  • Pests:
  • Diseases:

Further Information

  • Can Attract: Monach butterflies
  • Tolerant of: Deer, Clay Soil, Wet Soil, bogs
  • Best Garden Use: Border, Foundation, En masse
  • Family:
  • Closely Related Species:
  • Miscellaneous: Attractive foliage, North American native, Naturalizing, Wetlands plant, Attracts butterflies, Suitable for cut flowers, Fragrant flowers
  • Genus Detail: Asclepias
  • Further Reading and References: Here and Here