Sowing Columbine Seed

· Columbine will germinate best if sown in seed trays or pots and chilled (refrigerated) at 40 degrees F for 3 to 4 weeks.

· Sow indoors using a seed starting kit

· Just cover the seeds lightly with seed starting formula

· Keep the soil moist at 65-70 degrees F

· Seedlings emerge in 22-30 days

· As soon as seedlings emerge, provide plenty of light on a sunny windowsill or grow seedlings 3-4 inches beneath fluorescent plant lights turned on 16 hours per day, off for 8 hours at night. Raise the lights as the plants grow taller. Incandescent bulbs will not work for this process because they will get too hot. Most plants require a dark period to grow, do not leave lights on for 24 hours.

· Columbine seedlings do not need much fertilizer, feed when they are 3-4 weeks old using a starter solution (half strength of a complete indoor houseplant food) according to manufacturer’s directions.

· Before planting in the garden, columbine seedling plants need to be “hardened off." Accustom young plants to outdoor conditions by moving them to a sheltered place outside for a week. Be sure to protect them from wind and hot sun at first. If frost threatens at night, cover or bring containers indoors, then take them out again in the morning. This hardening off process toughens the plant’s cell structure and reduces transplant shock and scalding.