How to grow Rocky mountain columbine 'Sunshine'
Keep in mind when planting that Sunshine is thought of as very hardy, so this plant will tend to survive through freezing conditions.
Growing Sunshine from seed
Ensure a seed sowing distance of 11.89 inches (30.48 cm).
Transplanting Sunshine
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Sunshine is a very hardy plant.
Harvesting Sunshine