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Persicaria affinis

Family: polygonaceae
Common name(s): knotweed
Hardiness ratings: USDA zone 3~5 - 8~9

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 Persicaria affinis

• BBC Gardening: Persicaria affinis 'Superba' - 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. (1 photo)
• Digging Dog Nursery: Persicaria affinis 'Dimity' - Catalog page with descriptive information (zone 3)
• Heritage Perennials: Persicaria affinis Dimity - Profile with description and horticultural details. (zone 3-9) (1 photo)
• Missouri Botanical Garden: Persicaria affinis 'Superba' - 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)