Swamp Aster is a robust perennial with lavender to purple flowers that bloom in late summer. It thrives in wetland areas and is an important nectar source for late-season pollinators. The plant's tall stature makes it a standout in its habitat.
Best time to see a Swamp Aster
The best time to see a Swamp Aster is August–September, when about 72% of U.S. sightings happen, based on 3,136 research-grade iNaturalist observations.
Not certain it is a Swamp Aster? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Swamp Aster sightings near you
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