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What Grows in San Antonio, TX?

San Antonio has an excellent long growing season with warm winters and hot summers.

Zone

USDA 8b

Last frost

February 20

First frost

November 25

Frost-free days

240
Quick Answer

San Antonio is in USDA Zone 8b with about 240 frost-free days, and you can grow tomatoes, peppers, okra, sweet potatoes, and more here.

Planting tips for San Antonio

Long season with mild winters. Plant year-round with seasonal adjustments. South Texas warmth.

What to plant, and when

Timing by your frost dates — last frost February 20, first frost November 25.

🌱 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

🍂 Plant in fall

Garlic

What grows well in San Antonio

USDA Zone 8b

Frequently asked questions

What hardiness zone is San Antonio, TX in?

San Antonio, TX is in USDA Hardiness Zone 8b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in San Antonio?

The average last spring frost in San Antonio is around February 20, and the first fall frost is typically November 25. Plan to move tender plants outside after February 20 and have them harvested (or protected) before November 25.

What grows well in San Antonio?

Plenty — San Antonio's USDA Zone 8b climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.

How long is San Antonio's growing season?

San Antonio typically has around 240 frost-free days per year (roughly February 20 to November 25). 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 San Antonio?

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 San Antonio.

Can I grow vegetables in containers in San Antonio?

Yes — San Antonio'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 San Antonio?

For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around February 20), then transplant after the danger of frost has passed.