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Family: asteraceae
Common name(s): Heart-leaved Aster
Synonym(s): Aster cordifolius, Aster sagittifolius
Hardiness ratings: USDA zone 3~5 - 8 
General resources
Links for Symphyotrichum cordifolium
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 5-8)
 (2 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 4) (5 photos)
- Digging Dog Nursery - Catalog page with descriptive information (additional pages for other varieties) (zone 4)
- Garden.org - Community-assembled plant profile (2 varieties in database) (10 photos)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations. (4 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation.
- Missouri Botanical Garden - Plantfinder page for one of the plants growing at the garden, with usually one or more photos, horticultural information, and noteworthy characteristics. (zone 3-8)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 3-8) (7 photos)
- Ontario Rock Garden Society - Germination information (use search on page to find this taxon)
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