Add a burst of color to your space with vibrant Rainbow Coleus plants! These colorful beauties are easy and fast to grow from seed, making them the perfect beginner-friendly gardening project for indoors or outdoors.
Instructions:
We recommend using the following to sow the seeds:
12 Cavity Mini Greenhouse or Planter with Humidity Dome
Soil Pellets or Soil Pods
Liquid Fertilizer
Keep Coleus shaded if growing outside during summer, and water as soon as the top of the soil starts to dry out.
These seeds are for the 2026 growing season.
About the Seeds:
Difficulty
Beginner
Germination Time
7–14 days
Depth
1/4"
Spacing
2–3 seeds per soil pod or planter, thin to 9" apart
Recommended Planter
4"–9" planter or shady garden bed
Time to Maturity
84–91 days
Seed Prep
None required
Method
Greenhouse
Temperature
70°F – 85°F
About the Plant:
Description
Creeping shrub with dense, colorful leaves in patterns of pinks, greens, yellows, and reds
Difficulty
Beginner
Growth Speed
Medium
Size of Plant
12"–15" tall and 9"–12" wide
Light
Full sun, partial sun, or grow lights
Soil
Well-draining coconut coir/peat-based potting mix
Temperature
Warm
Pet-Friendly
No — not safe for pets
Pests
Generally pest-resistant; watch for aphids or whitefly
