Support monarchs and our mission: plant milkweed and wildflowers

Smooth blue aster

View Observations on iNaturalist

Key Details

Bloom Time: August to October

Sun Exposure: Full to Partial

Soil Moisture: Medium-Wet to Dry

Height: 4'

Plant Spacing: 1-2'

Cold Stratification: None Required

How to Grow

More Information:

Species Support

Pearl Crescent (Phyciodes tharos)The pearl crescent (Phyciodes tharos) is a butterfly of North America. It is found in all parts of the United States except the west coast, and throughout Mexico and parts of southern Canada, in particular Ontario. Its habitat is open areas such as pastures, road edges, vacant lots, fields, open pine woods. Its pattern is quite variable. Males usually have black antenna knobs. Its upperside is orange with black borders; postmedian and submarginal areas are crossed... (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Pearl_crescent, CC BY-SA 3.0 . Photo: (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley)

Silvery Checkerspot (Chlosyne nycteis)Chlosyne nycteis, the silvery checkerspot, is a species of Nymphalinae butterfly that occurs in North America. It is listed as a species of special concern and believed extirpated in the US state of Connecticut. (Source: Wikipedia, 'Chlosyne nycteis', https://en.wikipedia.org/wiki/Chlosyne_nycteis, CC BY-SA 3.0 . Photo: (c) Bill Bouton, some rights reserved (CC BY-NC-ND))

Northern Crescent (Phyciodes cocyta)Phyciodes cocyta, the northern crescent, is a butterfly of the Nymphalidae family. It is found in the Nearctic realm. (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Phyciodes_cocyta, CC BY-SA 3.0 . Photo: (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott)

Aster Borer Moth (Papaipema impecuniosa)Papaipema impecuniosa, also known as the aster borer moth or impecunious borer, is a moth in the family Noctuidae. It is found in eastern North America, where it ranges from Nova Scotia to Georgia, west to Illinois and north to Wisconsin and Ontario. (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Papaipema_impecuniosa, CC BY-SA 3.0 . Photo: (c) Larry Clarfeld, some rights reserved (CC BY-NC), uploaded by Larry Clarfeld)

Reticulated Fruitworm Moth (Cenopis reticulatana)The reticulated sparganothis (Sparganothis reticulatana) is a moth of the Tortricidae family. It is found in most of eastern North America. (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Sparganothis_reticulatana, CC BY-SA 3.0 . Photo: (c) tybird99, some rights reserved (CC BY-NC), uploaded by tybird99)

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