What Grows in Warwick, RI?
Warwick on Narragansett Bay has coastal moderation creating slightly warmer conditions than inland Rhode Island.
Zone
Last frost
First frost
Frost-free days
Warwick is in USDA Zone 6b with about 162 frost-free days, and you can grow tomatoes, peppers, beans, squash, and more here.
Planting tips for Warwick
Bay moderation extends season. Plant warm crops after April 20. Good coastal conditions.
What to plant, and when
Timing by your frost dates — last frost April 18, first frost October 20.
Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Eggplant, Pumpkin
Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion
Green Beans, Potato, Sweet Potato, Corn, Microgreens, Rhubarb
Garlic
What grows well in Warwick
Tomato
Grows wellCherry Tomato
Grows wellBell Pepper
Grows wellChili Pepper
Grows wellCucumber
Grows wellZucchini
Grows wellGreen Beans
Grows wellLettuce
Grows wellSpinach
Grows wellKale
Grows wellBroccoli
Grows wellCarrot
Grows wellRadish
Grows wellBeets
Grows wellOnion
Grows wellGarlic
Grows wellPotato
Grows wellSweet Potato
Grows wellCorn
Grows wellPeas
Grows wellCabbage
Grows wellBrussels Sprouts
Grows wellEggplant
Grows wellSwiss Chard
Grows wellArugula
Grows wellMicrogreens
Grows wellPumpkin
Grows wellLeek
Grows wellAsparagus
Grows wellRhubarb
Grows wellFrequently asked questions
What hardiness zone is Warwick, RI in?
Warwick, RI is in USDA Hardiness Zone 6b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.
When is the last frost in Warwick?
The average last spring frost in Warwick is around April 18, and the first fall frost is typically October 20. Plan to move tender plants outside after April 18 and have them harvested (or protected) before October 20.
What grows well in Warwick?
Plenty — Warwick's USDA Zone 6b climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.
How long is Warwick's growing season?
Warwick typically has around 162 frost-free days per year (roughly April 18 to October 20). That's a full season — plenty of time for most annual vegetables plus a succession or fall crop of cool-season greens.
What should I plant first in Warwick?
Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Arugula, Radish are among the quickest from seed to harvest in Warwick.
Can I grow vegetables in containers in Warwick?
Yes — Warwick's climate is container-friendly for the right crops. Tomato, Cherry Tomato, Bell Pepper all do well in pots, which also lets you start them a little earlier and move them in on cold nights.
When should I start seeds indoors in Warwick?
For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around April 18), then transplant after the danger of frost has passed.