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What Grows in Oklahoma City, OK?

Oklahoma City has a warm productive growing season with hot summers and mild winters.

Zone

USDA 7a

Last frost

March 28

First frost

October 20

Frost-free days

195
Quick Answer

Oklahoma City is in USDA Zone 7a with about 195 frost-free days, and you can grow tomatoes, peppers, okra, sweet potatoes, and more here.

Planting tips for Oklahoma City

Hot summer center of state. Plant warm crops April 1. Excellent watermelon conditions.

What to plant, and when

Timing by your frost dates — last frost March 28, 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 Oklahoma City

USDA Zone 7a

Frequently asked questions

What hardiness zone is Oklahoma City, OK in?

Oklahoma City, OK is in USDA Hardiness Zone 7a. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in Oklahoma City?

The average last spring frost in Oklahoma City is around March 28, and the first fall frost is typically October 20. Plan to move tender plants outside after March 28 and have them harvested (or protected) before October 20.

What grows well in Oklahoma City?

Plenty — Oklahoma City's USDA Zone 7a climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.

How long is Oklahoma City's growing season?

Oklahoma City typically has around 195 frost-free days per year (roughly March 28 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 Oklahoma City?

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 Oklahoma City.

Can I grow vegetables in containers in Oklahoma City?

Yes — Oklahoma City'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 Oklahoma City?

For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around March 28), then transplant after the danger of frost has passed.