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Aster cordifolius (common blue wood aster)
Species Distribution Map: Click to enlarge
Map Color Key © 2013 BONAP

Aster cordifolius

common blue wood aster

(syn. Symphyotrichum cordifolium)

Clouds of blue flowers in early fall in shade! A great naturalizer under trees, at the edge of woods, or as a filler among Hostas and Astilbes, which look pretty rough by September. Found in woods and dry meadows.

Aster cordifolius LP50 - 50 per flat Availability
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2-3 Feet


2-3 Feet


12 Inches

Bloom Color


USDA Hardiness Zone 3-8

common blue wood aster Interesting Notes

"Plants generally are highly branched with many small flowers, each generally less than one inch wide. Ten to twenty narrow ray flowers, ranging in color from dark blue to off-white, surround a yellow center. Although a good deal of variability occurs, plants usually bear smooth stems and thin, hairly leaves. The thin, sharply-toothed leaves provide the plant with common names such as Bee Weed and Bee Tongue. Although plants often look bedraggled in the wild, cultivation tends to make them stand up straight and put their shoulders back. The lower leaves are heart shaped (cordate), and the upper leaves are ovate to lanceolate. The small flowers lend themselves to cut flowers, particularly as fillers with larger flowers in arrangements. The species itself is offered, but numerous cultivars have also been selected. Plants grow well in both the North and South, but leaf spotting becomes a bigger problem in the humidity of the South." - Allan Armitage, Herbaceous Perennial Plants

Aster cordifolius Growing and Maintenance Tips

Prefers a partially shaded site, but will tolerate sun or shade. Flowering is best with 3 hours of sun or more. Works well in average, dry or moist soil, but does not like to be consistently wet.

Good Substitutions

common blue wood aster Aster cordifolius 'Avondale'

Key Characteristics & Attributes

Full Shade
Full Shade
Part Sun
Part Sun
Deer Resistant
Deer Resistant
Cut Flower
Cut Flower

Additional Information

Soil Moisture Needs
Plug Type
Landscape Plug™
Season of Interest (Flowering)
Late Summer
Green Infrastructure
Native to North America
Propagation Type
Open pollinated