Lupinus rivularis (Riverbank Lupine)
$7.00
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Plant Description: This lupine sometimes is considered a subshrub, forming a woody base at times. Stems are reddish brown, and leaves are well spaced and composed of 5-9 leaflets. Inflorescence is a large open spike with flowers in whorls. The pea-like flowers in streambank lupine are two toned, ranging from purple to creamy white. The fruit is a somewhat hairy pod that turns dark as it ages.
- Height: 2ft
- Width: 1.5ft
- Watering needs: medium
- Sun needs: Full sun
- Soil needs: well-draining, low-organic matter
- Bloom Time: May-August
- Portland Plant List (Backyard Habitat Certification): Yes
Landscape Use and Ecological Function: This Willamette Valley native is found only in the Pacific Northwest. It grows in riparian zones including river banks, and moist meadows. This nitrogen-fixing plant thrives in very poor nutrient soils. Often grows after landslides.
*Photo by SevenOaks Nursery*
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