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A hardy annual native to California and the western United States. The amount of fertility and moisture generally dictates the height of the plant. Flowers are concentrated on an upright spike with rich purple blossoms. Prefers moist clay or heavy soils in full sun. Sometimes hard to establish from seed, but capable of the most prolific display.

Average planting success with this species: 50%
Height: 1-4 feet
Germination: 15-75 days
Optimum soil temperature for germination: 55F-70F
Sowing depth: 1/8"
Blooming period: April-May
Average seeds per pound: 15,600
Seeds/Pkt: 65
Seeding rate: 35 lbs. per acre
1 oz Covers: 78 sq. ft.
Suggested use: Moist areas, waste areas, rocky sites, slopes, mixtures, floral gardens.
Miscellaneous: The most water tolerant of all Lupines.