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Eastern tiger swallowtail butterfly feeding on the deep blue-purple flowers of wild lupin (Lupinus perennis)

Wild Lupine

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Wild Lupine (Lupinus perennis)


Bloom colour: Blue/Purple

Blooms: May-June

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