Lupinus diffusus - Skyblue lupine
About 200 species of Lupinus
are native to Africa, Europe, North America, and South
America. This species is native to the southeastern United States.
The low rosette of leaves is not conspicuous until early spring when it
produces its spikes of blue flowers. Nodules on the roots of lupines (and many
of their relatives) contain nitrogen-fixing bacteria that help supply the plant
with nitrogen, even in very poor soils. This plant is reported to be toxic to
See this plant in sandy, dry natural areas of campus.
Herbaceous perennial to about twenty-four to thirty inches tall.
Light: full sun
Water: drought tolerant
Soil: well-drained, probably best in low pH soils
This native plant is not available in nurseries around Jacksonville. It is a
very attractive plant with potential for dry gardens.