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Massachusetts Planting Calendar

Massachusetts spans USDA hardiness zones 5b, 6a, 6b, 7a. Planting dates vary significantly across the state depending on your zone. Find your county on the map below for exact frost dates and planting windows.

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Find Your County

Click any county to see your local planting calendar with exact frost dates and planting windows.

Hover over a county to see details. Click to view planting guide.

Zones in Massachusetts

Growing Season Comparison

Frost Dates & Growing Season by County

View all 14 Massachusetts counties with frost dates
County Zone Last Frost First Frost Growing Days
Barnstable County 7a Apr 18 Oct 24 189
Berkshire County 5b May 6 Oct 12 159
Bristol County 6b Apr 26 Oct 17 174
Dukes County 7a Apr 25 Oct 19 177
Essex County 6b Apr 24 Oct 17 176
Franklin County 5b May 9 Oct 11 155
Hampden County 6a Apr 30 Oct 17 170
Hampshire County 5b Apr 30 Oct 17 170
Middlesex County 6b Apr 24 Oct 17 176
Nantucket County 7a Apr 12 Nov 4 206
Norfolk County 6b Apr 24 Oct 17 176
Plymouth County 6b Apr 18 Oct 26 191
Suffolk County 6b Apr 24 Oct 17 176
Worcester County 6a Apr 24 Oct 17 176
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🥬 Vegetables

Browse all 116 vegetables you can grow in Massachusetts

🍓 Fruits

Browse all 34 fruits you can grow in Massachusetts

🌿 Herbs

Browse all 42 herbs you can grow in Massachusetts

Monthly Planting Guide for Massachusetts

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Last updated: April 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.