Common name(s): butterfly-bush
Hardiness ratings: USDA zone 5~6 - 9~10
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Links for Buddleja davidii
- All Things Plants - Community-assembled plant profile (65 varieties in database) (36 photos)
- Annie's Annuals: Buddleja davidii 'Ellen's Blue' - Catalog page with photo, basic horticultural information, and noteworthy features. (additional cultivars listed in catalog) (zone 5-9) (1 photo)
- Asianflora - Plant photos. (5 photos)
- BBC Gardening - Plant profile with horticultural details and garden uses. (1 photo). Also pages for 'Harlequin', 'Royal Red', and 'White Cloud'.
- Carolina Nature - Illustrated woody plant profile, with notes on range and identification. (7 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 5-9) (20 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (additional pages for other varieties) (zone 5)
- Digging Dog Nursery: Buddleja davidii 'Summer Beauty' - Catalog page with descriptive information (additional pages for other varieties) (zone 5)
- Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features. (zone 5-10) (3 photos)
- Heritage Perennials: Buddleia davidii Nanho Blue - Profile with description and horticultural details. (additional pages for other varieties) (zone 5-9) (1 photo)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 5-9) (3 photos). Also a page for 'Harlequin'.
- Ontario Rock Garden Society - Germination information (additional information for other varieties)
- Plant Delights Nursery: Buddleia davidii 'Black Knight' - Catalog page with photo, horticultural basics, and descriptive blurb. (additional pages for other varieties) (1 photo)
- Virginia Tech Dendrology - Factsheet with botanical characteristics and photos of various features. (zone 5-9) (6 photos)
Common name(s): Butterfly Bush; Summer Lilac
Hardiness ratings: USDA zone 5 - 9