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Symphyotrichum puniceum - Purple Stemmed Aster

Symphyotrichum puniceum - Purple Stemmed Aster

Regular price $5.50 CAD
Regular price Sale price $5.50 CAD
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Purple-stemmed Aster is a tall, striking perennial that blooms from late summer into fall, producing clusters of bright violet, daisy-like flowers with golden-yellow centers. Its sturdy, reddish-purple stems contrast beautifully with lance-shaped green leaves, adding bold color and texture to moist landscapes. This hardy native is a vital late-season nectar source for bees, butterflies, and migrating Monarchs. Seeds feed small birds such as finches, and the plant serves as a larval host for several moth species.

Well-suited to wetland edges, moist meadows, rain gardens, and open woodland areas, Purple-stemmed Aster thrives in naturalized plantings and pollinator-friendly landscapes. Its towering height and showy blooms create a dramatic presence in large gardens and restoration projects. Due to its size and wind-borne seeds, it is best planted in spacious areas where its spreading nature is welcome. Moderately deer-resistant thanks to its coarse foliage and hairy purple stems, though new shoots may be browsed in spring.

How Easy Is This Plant to Grow?

Germination Difficulty: Beginner
Growing Difficulty: Beginner
Speed of Growth: Fast
Age to First Bloom: 2

Plant Sizes & Blooming Window

Important Information - The "Plant Sizes" are provided as a general guideline for plant selection. The "Blooming Window" indicates the general period when the species is in bloom, not how long an individual plant will flower.

Plant growth and bloom times will vary depending on geographical location & individual site conditions. Please scroll down to see the specific information for this plant.

Edible & Medicinal Info Disclaimer

The Edible & Medicinal information on this site is for informational purposes only and should not be acted on without thorough research and professional guidance. We are not responsible for any adverse effects resulting from the use of or misidentification of plants.

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Plant Specifics

Seeds Per Pack

Seeds Per Package: 25

Light Conditions

  • Sun
  • Part Shade

Soil Conditions

  • Moist
  • Rich
  • Loam
  • Clay
  • Seasonally Moist

Height

  • 24" - 36"
  • 36" - 48"
  • 48" +

Width

  • Spreading

Bloom Colour

  • Lavender Blue
  • Purple

Month of Bloom

  • August
  • Septemeber
  • October

Vigorousness

  • Aggressive
  • Very Aggressive

Deer Resistance

  • Moderate

Features

  • Birds
  • Butterflies
  • Bees
  • Fall Color
  • Rural Spaces
  • Medicinal Properties

Chinook Exposure

  • Moderate

Distribution Info

Native to North America, Purple-Stemmed Aster is found across Canada in all provinces and NT, and in the U.S., it ranges from the Gulf Coast northward to the Great Lakes and northeastern states. This species thrives in moist to wet habitats such as swamps, wetlands, wet meadows, and along streambanks, often in open to moderately shaded areas.

Traditional Edible & Medicinal Info

Symphyotrichum puniceum used medicinally by some Indigenous groups, in infusions of roots or leaves used for fevers, colds, and respiratory ailments.