Rudbeckia amplexicaulis (Asteracea)
A hardy annual native to the southeastern United States, and has naturalized throughout most of North America. The identifiable black, cone-shaped heads are surrounded by bright yellow, drooping re-flexed ray flowers. Prefers full sun in various soil conditions. Often forms dense colonies in moist areas.
Suggested Use: Roadsides, prairies, waste places, slopes. Miscellaneous: A very heavy re-seeder. Another wonderful variety for cut arrangements.
Average Planting Success: 80%
Height: 1 ½ - 2 feet
Germination: 7 - 30 days
Optimum Soil Temp. for Germination: 70°F
Sowing Depth: 1/16"
Blooming Period: June - September
Average Seeds Per Pound: 800,000
Seeds/Pkt: 875 - Covers 20 sq. ft.
1 oz Covers: 908 sq. ft.
Seeding Rate: 3 lbs. per acre