Plains Coreopsis, Coreopsis tinctoria(common name)
Plant family: Asteraceae
Genus: Coreopsis
Species: tinctoria
300 mg packet
Plant type: Annual
Colors: Yellow with maroon center
Bloom time: Mid summer - mid fall
Texture: Medium to fine
Growth rate: Medium
Height: 24-36 inches
Width: 24 inches
Light requirements: Full sun to partial shade
Soil needs: Moderately fertile, well drained, consistently moist soil with a ph of 5.5-7.5.
Care: Plant established plants 9-12 inches apart.. Root stimulator will encourage quicker rooting and stronger root system. Use a slow release fertilizer at planting time or begin using water-soluble fertilizer at planting time and continue to use every 3 weeks throughout the growing season. Apply 3 inches of vegetative mulch plants in summer to help retain soil moisture. Water regularly - don't over water. Dead head to keep plants neat and prevent self seeding.
Pests and diseases: Slugs, rabbits, snails, downy mildew, powdery mildew, aster yellows,botrytis flower blight.
Good companions: Purple coneflower, white boltonia, phlox, torch lily
Propagation: Sow indoors 6 - 8 weeks prior to last frost or direct sow into garden after last frost.Sprinkle seeds over soil mix and cover to a depth of 1/16 inch. Thoroughly moisten soil and keep moist throughout germination. Soil should not be soggy. Transplant to garden when all danger of frost is gone.