Cornflower - Bachelor's Buttons 'Polka Dot mix'(common name)
Plant family: Asteraceae
Genus: Centaurea
Species: cyanus
1 G packet
Plant type: Annual
Colors: White, Pink, Rose, Medium Blue, Lavender
Bloom time: Late spring - early fall
Texture: Medium
Growth rate: Fast
Height: 12" - 30"
Width: 6"
Light requirements: Full sun
Soil needs: Moderately fertile, well drained, rich soil with a ph of 5.5 - 7.5.
Care: Plant established plants 9" - 12" 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 around plants in summer to help retain soil moisture. Dead head to keep plants neat and prevent self seeding. Remove after last frost.
Pests and diseases: Powdery Mildew, Downy Mildew, Crown Rot, Rust.
Propagation: Sow indoors 6 - 8 weeks prior to last frost or direct sow in garden after last frost. Sprinkle seeds over soil mix and cover to a depth of 1/8". Thoroughly moisten soil and keep moist throughout germination. Soil should not be soggy. Transplant to garden when all danger of frost is gone.