Ontario Wildflowers website

Upland White Aster
Solidago ptarmicoides
(formerly Aster ptarmicoides)

Upland White Aster (Solidago ptarmicoides) Other scientific names: Aster ptarmicoides

Family: Composite Family (Asteraceae)

Group: Goldenrods, Asters

Distinctive features: Looks like an Aster.

Flowers: Summer, Autumn;  White;  Indistinguishable parts (petals);  White, aster-like.

Height: 25-40 cm (9-15 in)

Habitat: Fields and Open Areas

Grows in Sun/Shade: Sun

Lifespan: Perennial.  

Books: Newcomb's Wildflower Guide: 458    Peterson's Field Guide to Wildflowers: 96   

Native/Non-native: Native

Notes: Used to be classified as an Aster. Recently reclassified as a Goldenrod.

Photographs: 138 photographs available, of which 7 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Upland White Aster (Solidago ptarmicoides)

The "Aster" that is actually a Goldenrod ... Upland White Aster. Although classified as an Aster for many years, taxonomists have determined that this species is actually a Goldenrod, based on closer examinations of its flower structure.

Upland White Aster (Solidago ptarmicoides)

Upland White Aster (Solidago ptarmicoides)

A close-up view of the underside of the flower.

Upland White Aster (Solidago ptarmicoides)

The overall form of the plant.

Upland White Aster (Solidago ptarmicoides)

Upland White Aster (Solidago ptarmicoides)

The very goldenrod-like main stem leaves.

Upland White Aster (Solidago ptarmicoides)

Basal leaves. The clump of leaves on the right side will be the flowering stalk next year.


Range map for Upland White Aster (Solidago ptarmicoides)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)