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What Grows in Pittsburgh, PA?

Pittsburgh at the confluence of three rivers has good growing conditions despite its hilly terrain.

Zone

USDA 6a

Last frost

April 20

First frost

October 15

Frost-free days

158
Quick Answer

Pittsburgh is in USDA Zone 6a with about 158 frost-free days, and you can grow tomatoes, peppers, beans, corn, and more here.

Planting tips for Pittsburgh

Three rivers city. Valley locations warmer. Plant warm crops May 1. Strong community gardens.

What to plant, and when

Timing by your frost dates — last frost April 20, first frost October 15.

🌱 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 Pittsburgh

USDA Zone 6a

Frequently asked questions

What hardiness zone is Pittsburgh, PA in?

Pittsburgh, PA is in USDA Hardiness Zone 6a. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.

When is the last frost in Pittsburgh?

The average last spring frost in Pittsburgh is around April 20, and the first fall frost is typically October 15. Plan to move tender plants outside after April 20 and have them harvested (or protected) before October 15.

What grows well in Pittsburgh?

Plenty — Pittsburgh's USDA Zone 6a climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.

How long is Pittsburgh's growing season?

Pittsburgh typically has around 158 frost-free days per year (roughly April 20 to October 15). 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 Pittsburgh?

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 Pittsburgh.

Can I grow vegetables in containers in Pittsburgh?

Yes — Pittsburgh'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 Pittsburgh?

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