Bred for vibrant colors, neatly mounded habit, programmable flowering and unusual combinations. Available as Earlybird™ Purple White, Earlybird™ Red Yellow, and Earlybird™ Mixture, with more colors and bicolors. Requires less vernalization than other columbines.
Production Location: Pennsylvania
Tray Size: 72 plants
Common Name: Columbine
USDA Hardiness Zone: 3 - 9
Mature Height: 11 inches
Exposure: Full Sun to Part Shade
Recommended Finish Size: 1 gallon
Growing Media: Well-draining commercial media
Growing Temperature: 60-70 F (days) 50-60 F (nights)
Soil PH: 5.5-5.8
Soil EC: 1-1.5
Finish Time for Spring Sale: 8 - 10 weeks
Growing Info: Apply fungicide drench at transplant.
Fertilizing: Constant liquid feed at medium levels of 150 - 200 ppm N
Moisture Level: Allow plants to dry between ample waterings.
Watch for Pest and Disease: Aphids, spider mites, powdery mildew
Vernalization Requirements: Required for flowering.
Supplemental Lighting: Earlier bloom with high light.
Growth Regulators: Generally, not needed.
Day Length: Day Neutral
Other: Cooler temps result in heavier flowering.