Common name(s): Barbara's Buttons
Hardiness ratings: USDA zone 4~5 - 8~9
- Wikipedia. Online encyclopedia entry (if defined).
- Google images. Web search for photographs.
- GRIN. Taxonomical details, with common names, distribution, and synonyms.
- The Plant List. Taxonomical lookup
Links for Marshallia grandiflora
- All Things Plants - Community-assembled plant profile (4 photos)
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (zone 4-8) (2 photos)
- Denver Botanic Gardens - Description, native range, and cultural requirements. (zone 5) (8 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation.
- 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 5-9)
- Ontario Rock Garden Society - Germination information
- Plant Delights Nursery - Catalog page with photo, horticultural basics, and descriptive blurb. (1 photo)