- You will get 200+ Seeds of Rocky Mountain Columbine Flower Seeds. - Seller Notes: ?Aquilegia caerulea. U.S. Grown Seed. Tested 1/23-Germination 93%. Packed 1/23.?. - Planting Time: Perennial. - Soil Type: Loam, Peat. - Life Cycle: Perennial. - USDA Hardiness Zone (F): 5 (-20 to -10 F). - Soil pH: Neutral. - Watering: Medium. - Sunlight: Partial Shade, Full Sun, Low Sun, Medium Sun. - Rocky Mountain Columbine seeds. The State Flower of Colorado. Lot's of colorful, blue and white interesting flowers. The Columbine is an easy plant to grow because it adapts itself to a wide variety of conditions. Columbines do best when they are grown in moist, rich, well-drained soil in light shade. These get 1-3 ft tall and generally begin blooming in early to mid-spring and will often continue through June if the flowers are removed as they fade. Columbines are one of a Hummingbird's favorite flowers and are excellent additions to a rock garden, or in a native woodland planting. They tend to cross-pollinate, hybridize and self-seed freely, creating new strains and colors.200+ Quality heirloom seeds. - Some American Native Wildflower seeds need to go through a cold winter to germinate. This plant is one of them. They do this so the seed won?t sprout in fall, only to have the seedling not make it through a cold winter. I have stratified these seeds to simulate a cold winter(stratification) This raises the germination rate considerably. Thanks for looking!!. - Aquilegia caerulea - Perennial. - Full sun / P. Sun. - Spring, soil temp 65F+. - SOW Press 3 seeds per plant lightly into soil about 18" apart. Keep moist. - Germinates in 14 - 21 days. - Medium water. Light Fertilizer. - Flowers are light blue. Blooms from mid-spring through early summer.