Swamp Milkweed

Swamp Milkweed

Asclepia incarnata



Native to North America, Swamp Milkweed could possibly be one of the most important plants you have in your garden.  Nectar-rich it attracts one of our most regal winged friends; the Monarch Butterfly.  However, continued climate changes threatens their populations as temperature shifts effect their migration strategies.

Another unfortunate threat to the butterflies existence is the loss of their natural habitat. Land development has decreased the amount of swamp land where this plant can be found in abundance. By planting this sturdy, compact perennial you can provide a breeding ground for the Monarch and other species of butterflies. Laying eggs on the underside of the plants leaves, once hatched the larva have ready nutrition, munching happily on the foliage.  And with a short birth cycle, and the ability to recreate it up to 4 times a summer, several plantings can go a long way to repopulating the Monarch species.

While the milkweed sap can be unsightly and sticky when exposed it is only toxic if consumed in large quantities. The brightly colored umbels of pink, purple or white flowers will give you a summer long display of beauty with regular deadheading of spent blooms.  Divide the plant every 3-4 years.

  • Light Exposure: Sun to part shade
  • Soil Type: Light, well draining
  • Height: 3-6″
  • Width: 1-2″
  • Bloom Time: June to October
  • Bloom Colour: Rose, purple, white
  • Foliage Colour: Green
  • Pests and Disease: Aphids
  • Landscape Uses: Beds, borders, naturalizing
  • Special Features: Attracts butterflies, attracts hummingbirds, fragrant
  • Zone: 3-9

Example Varieties:

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