Ratibida columnaris (Asteraceae)
A robust, drought tolerant annual to perennial variety native to the midwest and has naturalized throughout North America. The characteristic black, coneshaped heads are surrounded by drooping, firered ray flowers with a splash of yellow accent. At maturity the upright branching stems may become woody. Prefers full sun in well drained soil. Outstanding in hothumid climates.
Suggested Use: Prairies, roadsides, waste places, slopes.
Miscellaneous: An excellent variety for cut flower arrangements lasting 5 to 10 days . Flower resembles a colorful Mexican sombrero, hence the name. Mexican Hat.
Average Planting Success: 70%
Height: 2----3 feet
Germination: 20--40 days
Optimum Soil Temp. for Germination: 68°F--75°F
Sowing Depth: 1/16"
Blooming Period: June----September
Average Seeds Per Pound: 1,230,000
1 oz Covers: 2,723 sq.ft.
Seeding Rate: 1 lb. per acre