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Lupinus perennis (Fabaceae)
A hardy perennial, native to Maine and Southern Ontario extending westward throughout the central and mid-western regions of the United States south to Florida. Flowers are arranged on upright spikes varied in color from deep blue to purple shades. Requires a dry, well-drained sandy or gravelly soil in full sun. Cannot tolerate heavy soils. A very adaptable and versatile species.
Average planting success with this species: 60%
Height: 1-2 feet
Germination: 15-75 days
Optimum soil temperature for germination: 55F-70F
Sowing depth: 1/8"
Blooming period: April-June
Average seeds per pound: 22,700
Seeding rate: 35 lbs. per acre
1 oz Covers: 78 sq. ft.
Suggested use: Mixtures, roadsides, meadows, floral arrangements.
Miscellaneous: Established plants greatly resent being transplanted and seldom live once they have been dug up.