Rainbow Mix Coleus
Plants are about one foot high and ideal for borders and as houseplants. The rainbow variety is probably the most popular of coleus and this mixture includes the complete color band, from cream to deep scarlet. They do need to have the flower buds removed if you want them to stay compact. If they bloom they tend to become leggy.
Germination: 10-15 days
Germination Temperature: Optimum soil temperatures 70-75ºF
Seed Planting Depth: Sow on the surface, needs light to germinate
Starting Indoors: Start indoors 8-12 weeks before the last frost. Provide 65-75 ºF soil temperatures. Provide 70-75ºF soil temperatures until germination. Transplant after the last frost date,10-12” apart.
Sowing Outdoors: Direct sowing outdoors is not recommended
Growth Habit: Upright
Height and Width: 12-14" x 12-14"
Spacing: 8-12” apart
Light Needs: Part sun to shade
Soil Needs: Average to fertile, well-drained
Approximate days to flower from seed: Sizable seedlings are ready 12-14 weeks after sowing.
Uses: Flower Beds, containers
Care: Water seedlings regularly until established. When grown in containers coleus needs to be fertilized and watered regularly. During the heat of summer, they will need to be watered a few times a week. Apply a liquid fertilizer every 2 weeks or use a time-release fertilizer at planting time.