How to Grow Moonflower
Ipomoea alba
Your complete guide to growing Moonflower.
📷 Wikimedia CommonsWhen to Plant Moonflower
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 1 | May – June | July – September | — |
| Zone 2 | April – May | June – August | — |
| Zone 3 | April – May | June – August | — |
| Zone 4 | March – April | June – July | — |
| Zone 5 | March – April | May – July | — |
| Zone 6 | March – April | May – July | — |
| Zone 7 | February – March | April – June | — |
| Zone 8 | February – March | April – June | — |
| Zone 9 | January – February | March – May | — |
| Zone 10 | January | February – April | — |
| Zone 11 | January | January – March | — |
| Zone 12 | January | January – March | — |
| Zone 13 | January | January – March | — |
Companion Plants for Moonflower
✓ Good companions
Natural pest deterrent that repels mosquitoes and other insects
Complementary evening bloomer that attracts beneficial night pollinators
Both are night-blooming plants that attract nocturnal pollinators like moths
Repels nematodes and aphids while providing daytime color contrast
Similar growing conditions and climbing habits, creates beautiful contrast with night and day bloomi…
Acts as trap crop for aphids and cucumber beetles, protecting moonflower
Fellow night-bloomer that attracts moths and provides pest deterrent properties
Attracts beneficial insects and provides ground cover beneath climbing moonflower
✗ Keep away from
Produces juglone which is toxic to many plants including moonflower
Allelopathic compounds inhibit growth of nearby climbing vines
May compete for nutrients and both are susceptible to similar fungal diseases
