When to plant morning glories
Short answer
Plant morning glories about 1 week after your last spring frost. In a mid climate (zone 5) that's around Apr 22, starting seeds indoors about Mar 18. Enter your ZIP for your exact dates.
| Climate zone | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Zone 1 | Dec 18 | Jan 22 | Apr 12 |
| Zone 2 | Jan 18 | Feb 22 | May 13 |
| Zone 3 | Feb 10 | Mar 17 | Jun 5 |
| Zone 4 | Mar 2 | Apr 6 | Jun 25 |
| Zone 5 | Mar 18 | Apr 22 | Jul 11 |
| Zone 6 | Apr 2 | May 7 | Jul 26 |
| Zone 7 | Apr 17 | May 22 | Aug 10 |
| Zone 8 | May 4 | Jun 8 | Aug 27 |
Higher climate-zone numbers are colder, so planting shifts later. Morning glories is a tender crop. Enter your ZIP in the calculator for your exact zone and dates.
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Frequently asked questions
When should I plant morning glories?
Plant morning glories 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 morning glories seeds indoors?
Start morning glories seeds indoors about 4 weeks before your last frost, then transplant after the frost passes. That's roughly Apr 2 in zone 6.
How long until morning glories blooms?
About 80 days from planting until first bloom. In zone 6, morning glories planted around May 7 is typically blooming near Jul 26.