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Symphyotrichum laeve (L.) Á. Löve & D. Löve
Smooth Blue Aster
Asteraceae (Aster Family)
USDA Symbol: SYLA3
USDA Native Status: L48 (N), CAN (N)
A smooth-leaved perennial bearing flower heads with many rich lavender-blue rays surrounding a yellow central disc; stem with a light grayish-white bloom.
One of the most attractive blue asters, this species has bright green foliage that is very smooth to the touch.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 4 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: White , Yellow , Blue , Purple
Bloom Time: Jul , Aug , Sep , Oct
Bloom Notes: Rays seldom white.
DistributionUSA: AL , AR , AZ , CO , CT , DC , DE , GA , IA , ID , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , MT , NC , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TN , TX , UT , VA , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NS , ON , QC , SK , YT
Native Distribution: Throughout much of North America, except Florida, California, and far north.
Native Habitat: Fields, open woods, and roadsides.
Growing ConditionsLight Requirement: Sun
Soil Moisture: Dry
BenefitConspicuous Flowers: yes
Fragrant Flowers: yes
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Find Seed or Plants
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Delaware Nature Society - Hockessin, DE
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Bibref 841 - Native Alternatives to Invasive Plants (2006) Burrell, C. C.
Bibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.
Search More Titles in Bibliography
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Symphyotrichum laeve in USDA Plants
FNA: Find Symphyotrichum laeve in the Flora of North America (if available)
Google: Search Google for Symphyotrichum laeve
MetadataRecord Modified: 2023-01-20
Research By: TWC Staff