Providence, RI Frost Dates
Average frost dates, USDA hardiness zone, and growing season length for Providence, Rhode Island.
Gardening in Providence
The smallest state's capital has an outsized food culture driven by RISD's creative community and Brown University's intellectual one. Providence's gardens are as compact and intentional as the city itself.
Narragansett Bay's maritime influence keeps Providence milder than inland New England. Your 195-day growing season is generous for the region. The rocky New England soil requires work, but the moderating ocean air extends both spring and fall.
The Providence food scene — anchored by Federal Hill's Italian heritage — is nationally recognized, and many of the city's best restaurants source from gardens within the metro area. Hope Street and the East Side neighborhoods have front-yard gardens that merge RISD's design sensibility with Brown's intellectual rigor.
What This Means for Providence Gardeners
The average last spring frost in Providence is around April 10, and the average first fall frost arrives around October 22. That gives you approximately 195 frost-free days to work with.
A solid, workable season. Most standard vegetable varieties have enough time to mature, though the longest-season crops (like sweet potatoes at 90+ days or large watermelons at 85+ days) need to be started early and chosen carefully. Indoor seed starting isn't optional — it's how you buy the extra weeks that make the difference between a good harvest and a great one.
These dates are based on NOAA 30-year Climate Normal data for the Providence area. Your actual frost dates could shift 2-3 weeks in either direction in any given year. Learn more about our data sources.
What to Grow in Providence
Providence's 195-day season gives you plenty of time for most vegetables with good planning. Start warm-season crops indoors to maximize your window. Cool-season crops thrive in your spring and fall shoulder seasons. Recommended starting points: tomatoes, peppers, lettuce, carrots, beans, broccoli, garlic, and basil.
See the full Rhode Island planting guide for all 40 plants: Rhode Island Planting Calendar. Or enter your zip code for exact planting dates personalized to Providence.
More About Zone 6B
Providence is in USDA Hardiness Zone 6B, which means average annual extreme minimum temperatures between -5°F to 0°F. View the full Zone 6B planting guide.
See the complete planting calendar for Rhode Island: Rhode Island Planting Calendar.
Other Cities in Rhode Island
Frequently Asked Questions
These dates are based on NOAA's 30-year Climate Normal data for the Providence area. They represent historical averages, not predictions. In any given year, the actual last frost could be 2-3 weeks earlier or later. Microclimates within Providence (urban heat islands, hilltops, low-lying valleys) can also shift your local frost dates by a week or more.
Start warm-season seeds indoors 6-8 weeks before your last frost (April 10) to maximize your 195-day window. Direct sow cold-hardy crops like peas and lettuce 3-4 weeks before last frost. Every week of early indoor starting matters at this season length. Enter your zip code for exact dates.