Smooth Aster |Spotswood Greenery

Photo courtesy of Spotswood Greenery

Smooth Aster |Spotswood Greenery

Photo courtesy of Spotswood Greenery

Smooth Aster |Spotswood Greenery
Smooth Aster |Spotswood Greenery

Smooth Aster

American Beauties Native Plants®
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  • Symphyotrichum laeve
  • North American Native
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Pairs well with

Blue-violet flowers with yellow centers bloom late in the season on smooth, blue-green stems. This tough native perennial is drought tolerant and provides essential late-season nectar.

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Size at Maturity

Height 2'- 4' Spread 2'- 4'

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Growing Zone

USDA Hardiness Zones 3-8

Lowest Temperatures -40°F to -30°F

Light Requirements

Full sun to part sun- at least 4 hours direct sun per day

Host Plant For

Pearl Crescent

Wildlife Benefits

  • Supports Bees
  • Attracts Butterflies

Native Range

AL, AR, AZ, CO, CT, DE, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NY, OH, OK, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY

Special Conditions

  • Deer Resistant
  • Drought Tolerant
  • Moderate Salt Tolerance

Seasons of Interest

  • Summer
  • Fall

How to Plant

Give your new plant the best start possible. Click here for general planting instructions.

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Planting and Care Guide

Planting Tips

Plant in spring or fall, spacing 18–24 inches apart in average, well-drained soil. This native aster establishes easily and adapts to a range of garden conditions. Water regularly through the first growing season. A light mulch helps retain moisture. Choose a site with good air circulation to minimize powdery mildew, which can occasionally be an issue in humid climates.

Care Tips

Pinch back stem tips by about one-third in early to mid-June for a fuller, more compact plant with more flowers come fall. Without pinching, plants can become tall and floppy. Divide every two to three years in early spring to maintain vigor. This is a valuable late-season nectar source for migrating butterflies and bees. No heavy fertilizing is needed — lean conditions actually produce better flowering.

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