Wild Lupine (Lupinus perennis)
Bloom colour: Blue/Purple
Height: 2 feet
Light: Sun, part shade
Soil: dry-moist sandy soils with good drainage, but is adaptable. Prefers slightly acidic soil.
Water Use: Medium
Hardiness Zone 3-8 (click here to find your plant hardiness zone)
This lupine is helpful to have in your garden because it increases the fertility of the soil by fixing nitrogen.
Wild Lupine is the only known food source for the caterpillars of the Karner Blue Butterfly which has been listed as extirpated in Ontario and is a species at risk in other places.
Wild Lupines attract: Native bees, bumble bees, and butterflies
And host plant for the Karner Blue Butterfly