Mckana Giants Aquilegia
Rocky Mountain columbine. Large flowers with long-spurred petals in white, crimson, purple, and yellow. Many flowers are two-colored.
Perennial, zone 3-8
Germination: 14-30 days
Germination Temperature: Optimum soil temperatures 65-70ºF
Seed Planting Depth: Sow on the surface and press into soil. Cold treatment aids germination
Starting Indoors: Start indoors 8-10 weeks before the last frost. Cold treat seed by sowing into moist soil or paper towel, wrap in a clear plastic bag, and place in the refrigerator for 2-3 weeks. Provide 65-70ºF soil temperature. Transplant apart after the last frost, 10-12” apart.
Sowing Outdoors: Direct sow in spring or fall, 5-7 seeds every 6”
Growth Habit: Upright, bushy
Height and Width: 24-36" x 12-18"
Spacing: 10-12" apart
Light Needs: Full sun to part shade
Soil Needs: Average to rich, moist, well-drained
Approximate days to flower from seed: Blooms in the second season
Uses: Flower beds, shade gardens, containers, cut flowers, attracts beneficials
Care: Water seedlings regularly until established. Amend soil with compost before transplanting. Remove faded flowers to encourage more blooms. Self seeds.