When to plant coleus
Short answer
Plant coleus about 1 week after your last spring frost. In a mid climate (zone 5) that's around Apr 22, starting seeds indoors about Feb 4. Enter your ZIP for your exact dates.
| Climate zone | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Zone 1 | Nov 6 | Jan 22 | Mar 23 |
| Zone 2 | Dec 7 | Feb 22 | Apr 23 |
| Zone 3 | Dec 30 | Mar 17 | May 16 |
| Zone 4 | Jan 19 | Apr 6 | Jun 5 |
| Zone 5 | Feb 4 | Apr 22 | Jun 21 |
| Zone 6 | Feb 19 | May 7 | Jul 6 |
| Zone 7 | Mar 6 | May 22 | Jul 21 |
| Zone 8 | Mar 23 | Jun 8 | Aug 7 |
Higher climate-zone numbers are colder, so planting shifts later. Coleus is a tender crop. Enter your ZIP in the calculator for your exact zone and dates.
Your exact dates
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Frequently asked questions
When should I plant coleus?
Plant coleus about 1 week after your last spring frost. That's around Apr 6 in zone 4 and May 7 in zone 6.
When do I start coleus seeds indoors?
Start coleus seeds indoors about 10 weeks before your last frost, then transplant after the frost passes. That's roughly Feb 19 in zone 6.
How long until coleus blooms?
About 60 days from planting until first bloom. In zone 6, coleus planted around May 7 is typically blooming near Jul 6.