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Family: scrophulariaceae
Common name(s): Helen Of Troy Foxglove
Hardiness ratings: USDA zone 4~5b - 9 
General resources
Links for Digitalis trojana
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-9)
 (1 photo)
- Digging Dog Nursery - Catalog page with descriptive information (zone 5b)
- Garden.org - Community-assembled plant profile (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. (zone 4-9)
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