When to Plant Pumpkins in Massachusetts
From jack-o-lanterns to pies, pumpkins need space and time but deliver a uniquely satisfying harvest.
The Short Answer
Massachusetts Frost Dates
Your planting dates depend on which part of Massachusetts you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Western Massachusetts | 5b, 6a | May 1 - May 20 | Sep 20 - Oct 10 |
| Central Massachusetts | 5b, 6a | May 1 - May 15 | Sep 25 - Oct 10 |
| Coastal/Cape | 6b, 7a | Apr 15 - May 1 | Oct 15 - Nov 1 |
Pumpkins Planting Schedule for Massachusetts
Western Massachusetts (Zones 5b, 6a)
Average last frost: May 1 - May 20 · Average first frost: Sep 20 - Oct 10
Central Massachusetts (Zones 5b, 6a)
Average last frost: May 1 - May 15 · Average first frost: Sep 25 - Oct 10
Coastal/Cape (Zones 6b, 7a)
Average last frost: Apr 15 - May 1 · Average first frost: Oct 15 - Nov 1
Growing Pumpkins in Massachusetts
Pumpkins in Massachusetts'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 Massachusetts
Rocky, acidic New England soils. Glacial deposits. Raised beds popular. Amend heavily with compost. Make sure soil has warmed to at least 65°F before planting pumpkins outside.
Massachusetts Climate & Growing Season
Four seasons. Maritime influence moderates coastal areas. Cold winters. Good growing season with adequate moisture. 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 Massachusetts: Western Massachusetts (5b, 6a) has a last frost around May 1 - May 20, while Coastal/Cape (6b, 7a) sees frost end around Apr 15 - May 1. 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