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Polemonium foliosissimum

Family: polemoniaceae
Common name(s): leafy jacob's ladder; towering jacob's ladder
Hardiness ratings: USDA zone 3~4 - 8

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 Polemonium foliosissimum

• Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-8)
• Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 3) (1 photo)
• Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (3 photos)
• Ontario Rock Garden Society - Germination information

Polemonium foliosissimum flavum

Common name(s): towering Jacob's ladder

Links

• Ontario Rock Garden Society - Germination information
• Rob's Plants: Polemonium foliosissimum flavum - Plant profile with basic horticultural information and often personal observations. Also seed germination records.

Polemonium foliosissimum foliosissimum

Links

• Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (7 photos)