Plains Coreopsis (also known as “Calliopsis”) is a tremendously resilient wildflower that can grow in just about any region and most soil conditions. A very generous bloomer, it is a staple of virtually any meadow garden.  Botanical Name: Coreopsis lanceolata, Life Cycle: Annual, Color: Red/Yellow Bloom, Season: Summer/Fall, Height: Up to 36 Inches, Light Requirement: Sun/Partial Shade, Sowing Method: Direct Sow. Blooms in about 60 days. Germination rate about 70% or better. David’s Garden Seeds is a Veteran owned business that has been offering quality seeds since 2009.