15 Seeds Riverbank Lupine Lupinus rivularis

Riverbank Lupine is a perennial wildflower native to the Pacific coast, valued for its tall, violet-blue flower spikes and handsome palmate foliage. It forms sturdy clumps that bring vertical color to meadows, perennial borders, and naturalized plantings.
This lupine suits rain gardens, pollinator gardens, and native restoration projects, thriving in moist, well-drained soils and tolerating seasonal moisture. Its nectar-rich blooms draw bees and other beneficial insects, and its deep roots help stabilize banks and slopes.
Species: Lupinus rivularis
Type: Perennial wildflower
Plant_Habit: Upright clumping
Sun: Full sun to partial shade
Soil: Moist, well-drained, sandy to loamy
Zones: 8 to 10
Germination: Scarify seed and cold stratify 2 to 4 weeks before sowing
Sowing: Surface sow and press in; light needed for germination
Spacing: 12 to 18 inches
Notes: Native to coastal regions; prefers consistent moisture