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Family: plantaginaceae
Common name(s): Palmer penstemon; balloon flower
Hardiness ratings: USDA zone 4~6 - 9~10 
General resources
Links for Penstemon palmeri
- Annie's Annuals (on archive.org) - Catalog page with photo, basic horticultural information, and noteworthy features. (zone 5-10)
 (3 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-9) (12 photos)
- Garden.org - Community-assembled plant profile (5 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (23 photos)
- Las Pilitas Nursery - Catalog page about this California native, with description and horticultural basics. (zone 6-10) (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) (1 photo)
- Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (6 photos)
Links
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