Lupine

Lupine – Plainfield, Wisconsin

Wild lupine (Lupinus perennis) is blooming again in central Wisconsin.  Our sandy soils present good growing conditions especially in full sun.  You can see it growing sporadically in small clumps along our roadways but it grows particularly well in areas recently cleared by fire, logging, grazing or other disturbances. Lupine does not tolerate shade from brush, trees or even tall grasses.

The Karner Blue Butterfly (a federally listed endangered species) is totally dependent on lupine for it’s life cycle.  Karner Blues emerge in several large hatches beginning the end of May or early June.  I walked several patches of lupine this morning and did not find any Karner Blues, the area’s first hatch may still be coming.

The above image was obtained this morning on Highway 73 just east of Plainfield, Wisconsin.

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