Native Plants

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Glase, Terry

Canadanthus modestus

Canadanthus modestus (Lindl.) G.L. Nesom

Giant Mountain Aster

Asteraceae (Aster Family)

Synonym(s): Aster major, Aster modestus, Aster unalaschkensis var. major, Weberaster modestus

USDA Symbol: CAMO32

USDA Native Status: L48 (N), AK (N), CAN (N)

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Retention: Deciduous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Lanceolate
Leaf Margin: Serrate
Leaf Base: Auriculate
Inflorescence: Corymb
Size Notes: Up to about 4 feet tall, often much shorter.
Leaf: Green
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Purple
Bloom Time: Jun , Jul , Aug

Distribution

USA: AK , ID , MI , MN , MT , OR , WA
Canada: AB , BC , MB , NB , ON , QC , SK , YT

Growing Conditions

Water Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Low

Benefit

Conspicuous Flowers: yes
Attracts: Butterflies

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:		FAC	FACW			FAC		FAC	FAC	FACW

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Canadanthus modestus in USDA Plants
FNA: Find Canadanthus modestus in the Flora of North America (if available)
Google: Search Google for Canadanthus modestus

Metadata

Record Modified: 2022-12-22
Research By: TWC Staff

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