colorado columbine flower seeds Mckana Giants Aquilegia

colorado columbine flower seeds Mckana Giants AquilegiaRocky Mountain columbine. Large flowers with long spurred petals in white, crimson, purple, and yellow. Many flowers are two colored. 100 seeds PLANTING Aquilegia caerulea Perennial, zone 3 8 Germination: 14 30 days Germination Temperature: Optimum soil temperatures 65 70F 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

Rocky Mountain columbine. Large flowers with long-spurred petals in white, crimson, purple, and yellow. Many flowers are two-colored.  

100 seeds 

PLANTING

Aquilegia caerulea

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.