When to Plant Pumpkin in Zone 4

Cucurbita pepo/maxima

Last updated: Apr 25, 2026 ยท Sources: USDA, NOAA, Cooperative Extension

Zone 4 Planting Schedule

Start Indoors
May 3
6โ€“8 weeks before transplant
Transplant Out
May 31
After last frost (May 10)
Direct Sow
May 31
Directly in garden bed
First Harvest
Sep 5
90โ€“120 days after planting
Season Ends
Sep 22
Before first frost (Sep 25)
Quick Facts
Sunlight โ˜€๏ธ Full Sun
Water Needs ๐Ÿ’ง๐Ÿ’ง Moderate
Spacing 60 inches apart
Planting Depth 1.0 inch
Min Soil Temp 65ยฐF
Germination 5โ€“10 days
Days to Maturity 90โ€“120 days
Frost Tolerance No frost tolerance
Soil pH 6.0โ€“6.8
Difficulty Easy
Recommended for Zone 4
๐ŸŒฑ Pumpkin Seeds & Supplies

Find seeds, soil, and tools suited for growing pumpkin in your zone.

Shop on Amazon โ†’

Companion Planting

Companion planting improves growth, deters pests, and makes better use of garden space.

โœ“ Good Companions

โœ— Avoid Nearby

Potato

Pumpkin Schedule โ€” All Zones

ZoneStart IndoorsTransplant Direct SowHarvest StartHarvest End
Zone 3 May 8 Jun 5 Jun 5 Sep 10 Sep 12
Zone 4 May 3 May 31 May 31 Sep 5 Sep 22
Zone 5 Apr 23 May 21 May 21 Aug 26 Oct 2
Zone 6 Apr 8 May 6 May 6 Aug 11 Oct 10
Zone 7 Mar 29 Apr 26 Apr 26 Aug 1 Sep 30
Zone 8 Mar 13 Apr 10 Apr 10 Jul 16 Sep 14
Zone 9 Feb 21 Mar 21 Mar 21 Jun 26 Aug 25
Zone 10 Feb 3 Mar 3 Mar 3 Jun 8 Aug 7
๐Ÿ“š Data Sources
Frost dates: NOAA Climate Normals 1991โ€“2020, National Centers for Environmental Information.
Hardiness zones: USDA Plant Hardiness Zone Map, Agricultural Research Service.
Growing requirements: Cooperative Extension Services โ€” NC State, Penn State, University of Florida IFAS.
Companion planting: Cornell University Cooperative Extension.
Data compiled from public agricultural sources. Always verify with your local extension office for micro-climate adjustments.