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Can You Grow Watermelon in Massachusetts?

US · USDA Zone 6a · zones 5b, 6a, 6b

Grows well here

Watermelons thrive here — they love the long warm season your zone provides.

Plant zones

4b–11b

Massachusetts last frost

early April

Massachusetts first frost

late October

Days to harvest

70–90 days

When to plant Watermelons in Massachusetts

Start indoors

Mar 3

Transplant

Apr 1

Harvest

Jun 10 – Jun 30

Dates are approximate, based on Massachusetts's average frost dates. Your exact yard may vary by microclimate.

About Watermelon

Watermelons love heat space and sun — they are a rewarding crop but need a long warm season.

Start indoors 4 weeks before last frost. Transplant carefully — watermelons hate root disturbance. Give them maximum space. Use black plastic mulch to warm soil. Choose icebox varieties for containers.

Full watermelon growing guide →

Gardening in Massachusetts

Massachusetts has a humid continental climate. Boston and coastal areas are Zone 6a-6b; inland areas are colder at Zone 5b-6a. Four seasons with a 5-6 month growing window.