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Family: boraginaceae
Common name(s): Tower of Jewels
Hardiness ratings: USDA zone 9~9b - 10~11 
General resources
Links for Echium wildpretii
- Annie's Annuals - Catalog page with photo, basic horticultural information, and noteworthy features. (zone 9-10)
 (4 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 9-11) (20 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 9) (7 photos)
- Garden.org - Community-assembled plant profile (15 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 9-11) (1 photo)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 9b-10a) (8 photos)
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