When Can Gardening Start In RI? Your Guide To Last Expected Frost

Rhode Island gardeners with an itch to get their hands dirty should hold off a bit longer.

The ground in Rhode Island should be warm enough for planting by April 17, according to The Old Farmer’s Almanac. The website has a handy tool to find the average date of the last frost by city and state, right down to the ZIP code.

This date is not absolute. It relies on historical climate data from the National Oceanic and Atmospheric Administration’s National Centers for Environmental Information, meaning there is still about a 30 percent chance of frost occurring after this average date.

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This year, the Almanac combined long-range weather forecasts with historical frost averages to create a map showing where the last frost may occur earlier or later.

The last frost date in Rhode Island is expected to be earlier than normal.

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While most differences are minor — typically one to two weeks — even a few days can influence whether a plant flourishes or gets bitten by frost. The map is designed to guide the earliest planting of frost-tolerant vegetables and flowers.

The Old Farmer’s Almanac’s spring 2026 weather forecast for Rhode Island is warm and dry.

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The Old Farmer’s Almanac, which has advised readers how and when to grow things since 1792, also has a 2026 planting guide calculator that allows Rhode Island gardeners to narrow down when they should put different vegetables in the ground.

Some plants to start with in Rhode Island are lettuce, spinach, kale, radishes, carrots, beets, peas, and onions.

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Another good resource for gardeners is the University of Rhode Island Cooperative Extension.

Extension scientists and specialists, who face the same weather and pest management challenges as other gardeners, offer geographically specific guidance on planting food crops.

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