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Inula helenium

Family: asteraceae
Common name(s): Elecampane
Hardiness ratings: USDA zone 3~5 - 7~8

General resources

• Wikipedia. Online encyclopedia entry (if defined).
• Google images. Web search for photographs.
• The Plant List. Taxonomical lookup
• Catalogue of Life. Taxonomical lookup

Links for Inula helenium

• Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 5-8) (16 photos)
• Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 5) (8 photos)
• Garden.org - Community-assembled plant profile (2 varieties in database) (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 3-7) (3 photos)
• North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 3-7) (4 photos)
• Ontario Rock Garden Society - Germination information (use search on page to find this taxon)