50 Double Rose Columbine Seeds Flower Perennial Flowers Seed Bloom 141 US SELLER

Sowing Columbine Seed. Columbine will germinate best if sown in seed trays or pots andchilled (refrigerated) at 40 degrees F for 3 to 4 weeks. Before planting in the garden, columbine seedling plants need to be “hardened off.".