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Family: lamiaceae
Common name(s): purple giant hyssop
Synonym(s): Agastache scrophulariaefolia, Hyssopus scrophulariifolia
Hardiness ratings: USDA zone 4 - 6~9 
General resources
Links for Agastache scrophulariifolia
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-6)
 (2 photos)
- Garden.org - Community-assembled plant profile (2 varieties in database) (4 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (5 photos)
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (9 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. (zone 4-9) (4 photos)
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