PlantCal

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 zoneStart indoorsPlant outsideHarvest
Zone 1Dec 18Jan 22Apr 12
Zone 2Jan 18Feb 22May 13
Zone 3Feb 10Mar 17Jun 5
Zone 4Mar 2Apr 6Jun 25
Zone 5Mar 18Apr 22Jul 11
Zone 6Apr 2May 7Jul 26
Zone 7Apr 17May 22Aug 10
Zone 8May 4Jun 8Aug 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.