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Missouri Primrose
Oenothera missouriensis (Onagraceae)

A hardy perennial native from Texas to Missouri and extending throughout much of central North America. A prolific bloomer with magnificent lemon-yellow flowers which last for several days. An excellent border plant remaining green throughout the year. Prefers well-drained soil in full sun.

Average planting success with this species: 60%
Height: 6-14 inches
Germination: 20-45 days
Optimum soil temperature for germination: 65-70F
Sowing depth: 1/8"
Blooming period: May-September
Average seeds per pound: 80,700
Seeding rate: 5 lbs. per acre
Suggested use: Borders, rock gardens, roadsides, mixes.
Miscellaneous: The compact height makes this variety an exquisite border plant and ground cover. Transplants well.