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Lupinus polyphyllus

Fabaceae (Leguminosae)
Perennials

LUPINUS

Leaves are divided into many leaflets that spread out like the fingers of a hand. Sweet pea–like flowers are borne in dense spikes at stem ends. There are hundreds of species, many of them native to the western U.S. and found in a wide range of habitats. The most commonly grown lupines are the Russell hybrids. Most lupines are not fussy about soil, though hybrids prefer rich, slightly acidic soil. All need good drainage.

Lupinus polyphyllus

Native to moist places from California to British Columbia. This perennial grows to 1 1/2–4 ft. tall and 2–2 1/2 ft. wide. Blooms in summer, bearing blue, purple, or reddish flowers in clusters 6–24 in. long. One important ancestor of the Russell hybrids. Regular water.

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