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Family: Fabaceae
(fab-AY-see-ee) Genus: Lupinus (loo-PIE-nus) Species: perennis (per-EN-is) Synonym:Lupinus nuttallii
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Category PerennialsWater Requirements Average Water Needs; Water regularly; do not overwaterSun Exposure Sun to Partial ShadeFoliage HerbaceousSmooth Foliage Color Blue-GreenHeight 12-18 in. (30-45 cm)18-24 in. (45-60 cm) Spacing 6-9 in. (15-22 cm)Hardiness USDA Zone 3a: to -39.9 °C (-40 °F)USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F) |
Where to Grow UnknownDanger Parts of plant are poisonous if ingestedBloom Color Dark BlueBlue-Violet Bloom Characteristics UnknownBloom Size UnknownBloom Time Late Spring/Early SummerOther details UnknownSoil pH requirements 6.1 to 6.5 (mildly acidic)6.6 to 7.5 (neutral) Patent Information Non-patentedPropagation Methods From seed; direct sow outdoors in fallFrom seed; winter sow in vented containers, coldframe or unheated greenhouse Direct sow as soon as the ground can be worked From seed; sow indoors before last frost From seed; direct sow after last frost Self-sows freely; deadhead if you do not want volunteer seedlings next season Seed Collecting Allow pods to dry on plant; break open to collect seedsAllow seedheads to dry on plants; remove and collect seeds |