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Smooth blue aster

Symphyotrichum laeve

Also called Glaucous Aster, Smooth Aster, Glaucous Michaelmas Daisy, Smooth Leaf Aster

In Singapore: Smooth Aster, Smooth Blue Aster (Grown in Singapore)

Smooth blue aster
Photo: Kathleen Houlahan Chayer, CC0

Smooth blue aster is a native North American perennial wildflower with blue-purple daisy-like flowers in late summer and autumn. It grows best in full sun and well-drained soil, and it tolerates dry, rocky conditions.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun
Water
Water regularly while establishing, then only during prolonged dry spells.
Soil
Well-drained soil, tolerates poor, rocky or dry soil.
Temperature
Hardy in cold winters; suited to temperate climates.
How easy
Easy
Native range
C. & E. Canada to NC. & E. U.S.A.
Climate
temperate

About

Symphyotrichum laeve (formerly Aster laevis) is a flowering plant native to Canada, the United States, and Coahuila (Mexico). It has the common names of smooth blue aster, smooth aster, smooth-leaved aster, glaucous Michaelmas-daisy and glaucous aster.

Where it grows

Symphyotrichum laeve varieties are native to Canada, the United States, and Coahuila (Mexico). The species is introduced in Québec and New Brunswick.

Other Symphyotrichum plants

Common blue wood aster · Rice button aster · White heath aster · Short-rayed alkali aster · White panicle aster · Calico aster · New England aster · New York aster · Hairy white oldfield aster · Smooth violet prairie aster · Aster

[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]

Text excerpted from the Wikipedia article Symphyotrichum laeve by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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