Conditional — Some Areas
zucchini (zones 2-11) has limited zone overlap with Massachusetts (5a-7b). Only zones 5-7 in the state are suitable.
Zone Comparison
Zucchini Needs
- USDA Zones: 2-11
- Soil pH: 4.5 - 8.3
- Sun: Full Sun
- Drainage: well (dry spells)
- Frost-Free Days: 40+
Massachusetts Has
- USDA Zones: 5a-7b
- Last Frost: Apr 10 - May 20
- First Frost: Sep 20 - Oct 30
- Annual Rainfall: 42-50 inches
- Common Soils: Glacial till, Sandy loam, Rocky loam
Plant Zone Range (zones 2-11)
Preferred Soil pH
Plant data: USDA PLANTS Database / plant_species_v5.csv. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
Growing Season Fit
Zone compatibility says you can survive winter here. Whether the growing season is long enough — and warm enough — is a different question.
Frost-free days
Zucchini wants 40+ frost-free days; a typical Massachusetts site sees ~170 (NOAA Climate Normals). That leaves comfortable headroom for succession planting.
Growing degree days
Zucchini needs ~1100 GDD (base 50°F) to ripen. The state median runs ~2900 GDD (USDA NRCS county aggregates), so Massachusetts's typical season clears that easily.
Climate aggregates derive from USDA NRCS county-level hardiness data + Cornell CALS Extension GDD-by-region tables + MSU Extension chill-hours-by-zone (1991-2020 NOAA Climate Normals baseline).
Soil + Drainage Fit
Zucchini likes near-neutral soil (pH 4.5-8.3). That's the common-ground band across Massachusetts's glacial till and sandy loam — a soil test confirms it for your site. Drainage matters: this plant wants well (dry spells). If your Massachusetts site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH and drainage requirements from USDA PLANTS Database. Massachusetts soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Zucchini in Massachusetts — Quick Answer
- Verdict: Conditional — Some Areas
- Plant Zones: 2-11 (USDA PLANTS Database)
- State Zones: 5a-7b (USDA ARS PHZM 2023)
- Growing Season: Apr 10 - May 20 to Sep 20 - Oct 30 (NOAA Climate Normals)
- Days to Maturity: 55 days
What Else to Consider
Zone compatibility tells you about winter cold survival — but Massachusetts growers also need to think about:
Short growing season (120-180 frost-free days) limits warm-season crops
Rocky glacial soils require amendment in many areas
Late spring frosts can damage early plantings through mid-May
Deer pressure is significant in suburban and rural areas
Pollinator + Wildlife Value
Zucchini draws pollinators (moderate value, USDA PLANTS Database). Planting it near vegetable beds can lift fruit set on neighboring crops.
Massachusetts Cooperative Extension
For Massachusetts-specific cultivar recommendations, planting calendars, and pest pressure for zucchini, the canonical source is UMass Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Check your specific parcel in Massachusetts
State-level data is a sketch. Your Growable Ground report scores zucchini against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
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