Aquilegia enjoy moist but well drained soil in sull sun to partial shade.
Sweet Rainbows is generally regarded as a very hardy plant, so this plant will tend to survive through freezing conditions.Sow seeds in pots on the surface of the seed compost and grit mixture. Cover lightly with vermiculiteand place in a propergator at 15 to 21C or seal in a plastic bag until after germination.
Sow 0.2 inches (0.5 cm) deep with a guideline distance of 11.89 inches (30.48 cm). For optimal germination, soil temperature should be a minimum of 15°C / 59°F.By our calculations, you should look at sowing Sweet Rainbows about 56 days before your last frost date.
Transplant seedlings when large enought to handle and grow on in cooler conditions. Plant our after all frost has passed, or over winter later sowings in a cold frame
Sweet Rainbows is very hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.