- You will get 2001+ Seeds of Dwarf Red Plains Coreopsis Flower Seeds. - Seller Notes: ?Coreopsis Tinctoria. U.S. Grown seed. Tested 1/23-Germination 93%. Packed 1/23.?. - Planting Time: 10 Weeks. - Soil Type: Chalk, Clay, Loam, Peat, Saline, Sand, Silt. - Life Cycle: Annual. - USDA Hardiness Zone (F): 5 (-20 to -10 F). - Soil pH: Neutral. - Watering: Medium. - Sunlight: Partial Shade, Full Sun, Medium Sun. - Dwarf Red Plains Coreopsis. American Native wildflower. Hard to find growing wild. These used to be found in low lying prairies, meadows and woodlands throughout the U.S and Canada. Impervious to floods and drought. Tolerates just about any soil type. Very easy to grow from seed. These are fast growing and will get about 16" tall. Fern-like leaves. Each plant produces dozens of flowers. The red flowers are 2" across and start blooming in mid-summer and continue through fall. Good nectar source for butterflies and bees. Also make great cut flowers. 2000+seeds per order. - Coreopsis Tinctoria. Plain's coreopsis dwarf red. - Annual. Reseeds readily. - Spring, soil temp 60F+. - Full Sun/Part Sun. - SOW-3/4 seeds per, 1/16"deep, about 24" apart. Keep moist. - Germination 15-30 days. - Medium water. - Flowers are red. Blooms mid-summer through fall.