Will not grow well in clay soils, prefers sandy loams to very dry sandy soils.
bloom in may and june
These estimates for how long Perennial lupine takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 29 days | Min 29 days | Max 29 days (1)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
The only food plant for the larvae of the endangered Karner Blue butterfly.
Sundial lupine, wild lupine, blue lupine, perennial lupine, Indian Beet,
Lupinus perennis L.
1 Wikipedia entry on Lupinus perennis
http://species.wikimedia.org/wiki/Lupinus_perennis
ph levels
http://www.fs.fed.us/database/feis/plants/forb/lupper/all.html