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Family: malvaceae
Common name(s): hollyhock
Synonym(s): Althaea rosea
Hardiness ratings: USDA zone 2~3 - 9~10 
General resources
Links for Alcea rosea
- Cal's Plant of the Week: Alcea rosea 'Majorette Mix' - Profile for plant, primarily relating to pot culture, with notes on culture and propagation.
 (1 photo)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 2-9) (43 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (additional pages for other varieties) (zone 2) (8 photos)
- Digging Dog Nursery: Alcea rosea 'Blacknight' - Catalog page with descriptive information (additional pages for other varieties) (zone 3) (1 photo). Also a page for 'Polarstar'.
- Floridata - Illustrated informative profile page with notes on culture, usage, and noteworthy features. (zone 3-9) (3 photos)
- Garden.org - Community-assembled plant profile (39 varieties in database) (26 photos)
- Heritage Perennials: Alcea rosea ‘Summer Carnival’ Mixture - Profile with description and horticultural details. (additional pages for other varieties) (zone 2-9) (1 photo)
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations. (3 photos)
- Kansas Wildflowers & Grasses - Plant portrait with botanical details and description (6 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 2-10). Also pages for 'Nigra' and Single.
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (6 photos)
- North Carolina State University factsheet - Plant profile with horticultural details and comments (zone 2b-10a) (10 photos)
- Ontario Rock Garden Society - Germination information. Also a page for 'Black Watchman'.
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records. (3 photos)
Common name(s): Compact Hollyhock
Hardiness ratings: USDA zone 6 - 9
Links
Hardiness ratings: USDA zone 2 - 9
Links
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 2-9) (43 photos)
- Paghat's Garden - Illustrated articles by a gardener in the Pacific Northwest, with background and personal observations. (1 photo)
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