When to Plant Morning Glory in Hamilton, Iowa (50116)

Location

Hamilton, Iowa

ZIP Code

50116

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Saturday, May 9, 2026

Pro Tip: Sow Morning Glory directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Ipomoea purpurea

Days to Maturity 65 days

Mature Height 72-120"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low to Moderate

↔️

Spacing

12" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 5-10 days

Ready to Plant Morning Glory in Hamilton?

Get your seeds now so they're ready by Saturday, May 9, 2026.

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Growing Morning Glory in Zone 5b

Morning Glory (Ipomoea purpurea) is a popular garden vegetable. In Hamilton, Iowa, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, May 9, 2026.

Your average last frost date is Saturday, April 25, 2026. Morning Glory grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.