Lupinus nootkatensis, the Nootka lupine, is a perennial plant of the genus Lupinus in the legume family, Fabaceae. It is native to North America and was introduced to Europe in the late 18th century. It grows up to 60 cm tall, and has bright bluish-purple flowers.

The Nootka lupine is common on the west coast of North America, and is one of the species from which the garden hybrids are derived, being valued in Britain and other North-European countries for its tolerance of cool, wet summers. In North America, it grows along roadsides, gravel bars, and forest clearings from the Aleutian Islands and Southcentral Alaska, and along the Alaskan panhandle to British Columbia. It is a rigorous self-seeder and can often be seen along roadsides and in open meadows. Their long tap roots make transplanting difficult, so sowing seed is preferable.

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