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Family: asteraceae
Common name(s): Ironweed
Synonym(s): Vernonia altissima
Hardiness ratings: USDA zone 5 - 8~9 
General resources
Links for Vernonia gigantea
- Alabama Plants - Description and photographs of botanical features, with notes about habitat and native status.
 (6 photos)
- BBC Gardening - Plant profile with horticultural details and garden uses. (1 photo)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 5-9a) (7 photos)
- Garden.org - Community-assembled plant profile (9 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. (12 photos)
- 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 5-8) (7 photos)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (14 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 5-8) (6 photos)
- Ontario Rock Garden Society - Germination information (use search on page to find this taxon). Also a page for another instance.
- Plant Delights Nursery - Catalog page with photo, horticultural basics, and descriptive blurb. (additional pages for other varieties) (zone 5-9) (1 photo)
Links
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