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What Grows in Warwick, RI?

Warwick on Narragansett Bay has coastal moderation creating slightly warmer conditions than inland Rhode Island.

Zone

USDA 6b

Last frost

April 18

First frost

October 20

Frost-free days

162
Quick Answer

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.

🌱 Start indoors (pre-frost)

Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Eggplant, Pumpkin

❄️ Direct-sow early (cool season)

Lettuce, Spinach, Kale, Broccoli, Carrot, Radish, Beets, Onion

☀️ Plant after last frost

Green Beans, Potato, Sweet Potato, Corn, Microgreens, Rhubarb

🍂 Plant in fall

Garlic

What grows well in Warwick

USDA Zone 6b

Frequently 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.