When to Plant Pumpkins in Missouri
From jack-o-lanterns to pies, pumpkins need space and time but deliver a uniquely satisfying harvest.
The Short Answer
Missouri Frost Dates
Your planting dates depend on which part of Missouri you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Missouri | 5b, 6a | Apr 20 - May 5 | Oct 1 - Oct 15 |
| Central Missouri | 6a, 6b | Apr 10 - Apr 25 | Oct 10 - Oct 25 |
| Southern Missouri | 6b, 7a | Apr 1 - Apr 15 | Oct 15 - Nov 1 |
Pumpkins Planting Schedule for Missouri
Northern Missouri (Zones 5b, 6a)
Average last frost: Apr 20 - May 5 · Average first frost: Oct 1 - Oct 15
Central Missouri (Zones 6a, 6b)
Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 10 - Oct 25
Southern Missouri (Zones 6b, 7a)
Average last frost: Apr 1 - Apr 15 · Average first frost: Oct 15 - Nov 1
Growing Pumpkins in Missouri
Pumpkins in Missouri's Climate
Your season comfortably supports both short and long-season pumpkin varieties. Direct sow in late May to early June for October harvest. Give vining types plenty of space — 5-6 feet between hills. Powdery mildew is nearly guaranteed in humid summers — choose resistant varieties. After harvesting, cure pumpkins in sun for several days to harden the skin for storage.
Soil Considerations for Missouri
Rich loess soils along Missouri River. Rocky Ozark soils in south. Heavy clay common. Generally fertile. Make sure soil has warmed to at least 65°F before planting pumpkins outside.
Missouri Climate & Growing Season
Continental climate. Hot, humid summers. Four seasons. Good growing season in most of state. Pumpkins cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.
Growing season length varies across Missouri: Northern Missouri (5b, 6a) has a last frost around Apr 20 - May 5, while Southern Missouri (6b, 7a) sees frost end around Apr 1 - Apr 15. This difference matters for pumpkins — transplant timing shifts by several weeks across the state.
Growing Tips
Count backwards from when you want ripe pumpkins (usually October). They need 90-120 days, so mid-June to early July is often ideal.
Companion Planting
Plant pumpkins alongside these companions for better growth:
Keep pumpkins away from:
The Bottom Line
Last reviewed: March 29, 2026