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 Asclepias tuberosa

Butterfly weed 

 Scientific name: Asclepias tuberosa

Common name: Butterfly milkweed, Butterfly weed, Chigger flower, Indian paintbrush, Pleurisy root

Region of origin: Eastern North America

 
Photo courtesy Michael E. Runyan

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Highlights:

Weed Suppressive Rating: Fair - Good

Hardiness: Zones 3-9

Height x Spread: 12 to 36 in. x 12 to 24 in.

Season of bloom: Late spring to mid-summer

Flower color: Yellow/Orange

Exposure: Full sun

Soil requirements: Well-drained, infertile soil

Moisture requirements: Dry soil. Drought tolerant

Physical description: Butterfly weed is perennial plant with alternating leaves that are 2 to 6 inches long and 0.25 to 1 inch wide. The stems are topped by many-flowered umbels in spring. The vibrant orange flowers are about 0.25 inches across, and they bloom in spring.

Optimal growing conditions: This plant grows well in average, well-drained soils in full sun. It is a good choice for meadow gardens because it is drought tolerant, does well in dry and infertile soils, and competes very well with grass. Butterfly weed cannot compete with surface rooted trees.

Susceptibility to pests and diseases: Butterfly weed is generally pest free. However, leaf spots and rusts are sometimes present, and crown rot can be a problem in wet, poorly drained soils.

Use: Butterfly weed is very effective in butterfly gardens, borders, meadows areas, prairies, or naturalized plant areas. It looks nice when planted in groups along the roadside. This plant is also used for attracting Aphrodite and Fritillary butterflies or in cut and dried flower arrangements.

Additional Notes: It serves as one of the most important medicines for broncho-pulmonic inflammations and catarrhs, and an agent for re-establishing suppressed secretion of the skin. Also, in acute chest diseases this plant is useful to control cough, pain, temperature, to favor expectoration, and restore checked perspiration.

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