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Anticosti Island aster

Symphyotrichum anticostense

Also called Anticosti Aster

Anticosti Island aster
Photo: Étienne Lacroix-Carignan, CC0

Anticosti Island aster is a perennial wildflower native to eastern Canada and Maine that spreads by rhizomes and grows on gravelly, calcareous river and lake shores. It is a wild species rather than a common garden plant, so it suits native or naturalistic plantings on well-drained, lime-rich gravel.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water regularly while establishing, then mostly rely on natural moisture; avoid waterlogged ground.
Soil
Well-drained, gravelly, lime-rich (calcareous) soil.
Temperature
Hardy in cold temperate climates, suited to eastern Canadian and Maine winters.
How easy
Moderate
Native range
E. Canada to Maine
Climate
temperate

About

Symphyotrichum anticostense (formerly Aster anticostensis) is a species of flowering plant in the family Asteraceae with the common name of Anticosti aster. It is endemic to Quebec, New Brunswick, and Maine. S. anticostense is a perennial, herbaceous plant that may reach 10 to 90 centimeters (4 to 35 inches) in height. Its flowers have pale purple or lilac, sometimes white, ray florets and yellow, then reddish purple, disk florets.

Where it grows

Symphyotrichum anticostense is endemic to Quebec, New Brunswick, and Maine. It is a river and lake gravel shore plant that is conditioned to these calcareous habitats.

Other Symphyotrichum plants

Scaleleaf aster · Manyray aster · Western aster · Symphyotrichum bimater · Northern bog aster · Symphyotrichum bullatum · Symphyotrichum burgessii · Western meadow aster · Carneros Aster · Savanna aster · Symphyotrichum chihuahuense · Pacific aster

Text excerpted from the Wikipedia article Symphyotrichum anticostense 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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