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Delphinium grandiflorum

Family: ranunculaceae
Common name(s): larkspur
Hardiness ratings: USDA zone 2~4 - 7~9

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 Delphinium grandiflorum

• Asianflora - Plant photos. (2 photos)
• Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 3-8) (7 photos)
• Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 4) (4 photos)
• Garden.org - Community-assembled plant profile (8 varieties in database) (10 photos)
• Heritage Perennials: Delphinium grandiflorum Blue Elf - Profile with description and horticultural details. (additional pages for other varieties) (zone 2-9) (1 photo)
• 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 4-7). Also a page for 'Blue Butterfly'.
• NARGS Image Gallery - Photograph(s) contributed by North American Rock Garden Society members. (1 photo)
• North Carolina State University factsheet: Delphinium grandiflorum 'Blue Butterfly' - Plant profile with horticultural details and comments (zone 3-7) (1 photo)
• Ontario Rock Garden Society - Germination information (use search on page to find this taxon)
• Paghat's Garden: Delphinium grandiflorum 'Blue Butterfly' - Illustrated articles by a gardener in the Pacific Northwest, with background and personal observations. (1 photo)
• Rob's Plants: Delphinium grandiflorum 'Blue Butterfly' - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (3 photos)

Delphinium grandiflorum f. album

Links

• Ontario Rock Garden Society - Germination information (use search on page to find this taxon)

Delphinium grandiflorum var. chinense

Links

• Ontario Rock Garden Society - Germination information (use search on page to find this taxon)

Delphinium grandiflorum chinensis

Delphinium grandiflorum plena