Annual flower
Moonflower plant profile
Ipomoea alba
An annual flower for full sun.
Last updated .
When to plant
When to plant Moonflower
Start seeds indoors
6 weeks before your last spring frost to 4 weeks before your last spring frost
Growing conditions
- Sun
- Full sun
- Soil pH
- 6 to 8
- Lifecycle
- Annual
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Ipomoea alba (Moonflower, Moonvine, Tropical White Morning Glory)
North Carolina Extension Gardener Plant Toolbox (NC State Extension). Supports indoor seed-starting timing (direct), planting season (normalized), sun requirement (direct), soil pH (direct), and common problems (direct). Checked 2026-06-18.
- Toxic and Non-Toxic Plants: Morning Glory (Ipomoea species) entry
ASPCA Animal Poison Control Center. Supports pet-safety verdicts for dogs and cats. Checked 2026-07-18.