Rheum rhabarbarum
Family: polygonaceae
Common name(s): rhubarb
Hardiness ratings: USDA zone 3 - 8 
General resources
Links for Rheum rhabarbarum
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-8)
 (13 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (additional pages for other varieties) (zone 3) (3 photos)
- Garden.org - Community-assembled plant profile (2 varieties in database) (10 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (3 photos)
- Ontario Rock Garden Society - Germination information (use search on page to find this taxon)
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (1 photo)
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