Rhode Island Planting Guide & Growing Season
Rhode Island is in USDA hardiness zone with a growing season of 175 days. The average last spring frost is Apr 15 - May 1 and the average first fall frost is Oct 10 - Oct 31.
Growing Conditions in Rhode Island
How Rhode Island Compares
Compare Rhode Island's growing conditions with states that have similar climates.
| State | USDA Zone | Last Frost | First Frost | Season (days) |
|---|---|---|---|---|
| Rhode Island (RI) | Apr 15 - May 1 | Oct 10 - Oct 31 | 175 | |
| Alabama (AL) | Mar 1 - Apr 1 | Oct 25 - Nov 15 | 220 | |
| Alaska (AK) | May 15 - Jun 15 | Aug 15 - Sep 15 | 105 | |
| Arizona (AZ) | Feb 1 - Apr 15 | Oct 15 - Dec 15 | 270 | |
| Arkansas (AR) | Mar 15 - Apr 15 | Oct 15 - Nov 1 | 210 | |
| California (CA) | Jan 15 - Apr 15 | Oct 15 - Dec 31 | 290 |
Frequently Asked Questions About Gardening in Rhode Island
When should I start seeds indoors in Rhode Island?
In Rhode Island, the average last frost date is Apr 15 - May 1. Start most seeds indoors 6-8 weeks before this date. The USDA hardiness zone for Rhode Island is undefined, with a growing season of approximately 175 days.
What USDA hardiness zone is Rhode Island?
Rhode Island falls in USDA hardiness zones undefined. This affects which perennial plants will survive winter and influences optimal planting times.
When is the first frost in Rhode Island?
The average first frost date in Rhode Island is Oct 10 - Oct 31. Plan to harvest cold-sensitive crops before this date or protect them with row covers.
How long is the growing season in Rhode Island?
Rhode Island has an average growing season of 175 days, from the last frost (Apr 15 - May 1) to first frost (Oct 10 - Oct 31). This moderate season works well for most common vegetables.
Plan Your Garden
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