Purple Prairie Clover
Petalostemum purpureum (Fabaceae)
An upright perennial variety native to the north central portion of the United States. The unique lavender-purple flowers are concentrated on slender cones at the ends of wiry stems. The blooms begin to open from the base of the cone and slowly ascend to the tip. Prefers sandy or well-drained soils in full sun.
Average planting success with this species: 60%
Height: 1-3 feet
Germination: 14-30 days
Optimum soil temperature for germination: 65-70F
Sowing depth: 1/16"
Blooming period: May-September
Average seeds per pound: 293,000
Seeding rate: 8 lbs. per acre
Suggested use: Slopes, mass plantings, roadsides, meadows.
Miscellaneous: An excellent high protein forage for livestock. Very drought tolerant due to an extensive root system which makes transplanting difficult.