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Salt Marsh Aster Wikimedia Commons
Asteraceae

Salt Marsh Aster

Symphyotrichum tenuifolium

Adaptation and coastal resilience.

Family
Asteraceae
Genus
Symphyotrichum
Native to
Eastern North America
Bloom season
Late Summer, Fall
Type
perennial
Height
12-24 in
Sunlight
full sun
Soil
saline, moist, sandy
Water
moderate to high
Hardiness
5-9
Lifespan
perennial

Did you know

  • It is one of the few aster species adapted to tolerate salt spray and brackish water, thriving where others cannot.
  • Its narrow, fleshy leaves are an adaptation to conserve water in the salty, drying conditions of coastal marshes.
  • It provides critical late-season nectar for migrating monarch butterflies passing along the Atlantic coast.
  • Salt marsh asters help stabilize coastal soil and provide shelter for small marsh creatures like fiddler crabs.
  • The plant often goes unnoticed until fall, when masses of its small flowers transform marshes into lavender-tinted landscapes.

Color meanings

0

adaptation

1

quiet persistence

2

coastal beauty

Uses

  • coastal restoration
  • salt-tolerant landscaping
  • pollinator gardens
  • wetland plantings