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Ohio Vegetable Planting Calendar

The Ohio vegetable planting calendar below lists spring and fall planting dates for 37 crops from Ohio State University Extension. The calendar is written for zone 6a; spring dates move 1 week earlier in zone 6b and 2 weeks earlier in zone 7a, as the publication says.

Photo: Tall corn and other vegetables growing in a fenced backyard garden. Tomwsulcer, CC0, via Wikimedia Commons

Amish farm with red barns and white house above a harvested field, Holmes County

When to plant in Ohio: crop by crop

Planting dates for each crop in Ohio, from the Ohio State University Extension calendar.

Tomatoes

Peppers

Potatoes

Sweet Corn

Green Beans

Cucumbers

Squash

Lettuce

Onions

Garlic

Peas

Watermelon

Ohio planting calendar questions

When should I plant my garden in Ohio?

The Ohio vegetable planting calendar below lists spring and fall planting dates for 37 crops from Ohio State University Extension. The calendar is written for zone 6a; spring dates move 1 week earlier in zone 6b and 2 weeks earlier in zone 7a, as the publication says.

What is the difference between spring and fall planting?

Spring windows follow the last frost. Fall windows are counted back from the first fall frost so cool-season crops mature before hard freezes.

Why are some dates "weeks before" or "weeks after" frost?

Some extension guides give dates relative to the average frost date. This site works those out for each county from its NOAA 50% frost date.

Which extension publications does this Ohio calendar use?

Ohio Gardening Calendar.

Can I plant outside these windows?

The windows are recommendations. Planting outside them raises the risk of frost damage, heat stress or poor germination.

How do I find my county's frost dates?

See the Ohio frost dates page or your county page.

Photos: Tall corn and other vegetables growing in a fenced backyard garden: Tomwsulcer, CC0, via Wikimedia Commons; Amish farm and red barns under big summer clouds in Ohio: Art Anderson, CC BY-SA 3.0, via Wikimedia Commons; Amish farm with red barns and white house above a harvested field, Holmes County: Valereee, CC0 1.0, via Wikimedia Commons; Pile of ripe tomatoes: Jubair Bin Iqbal, CC BY-SA 4.0, via Wikimedia Commons; Pepper plant in a kitchen garden loaded with green, yellow and red peppers: NPS, Public domain, via Wikimedia Commons; Potato plants growing in a home garden: Geo Lightspeed7, CC BY-SA 4.0, via Wikimedia Commons; Rows of sweet corn in a field: Wee Hong, CC BY-SA 4.0, via Wikimedia Commons; Clusters of long green bean pods hanging from a climbing bean vine: Nirajan_pant, CC BY-SA 3.0, via Wikimedia Commons; Cucumber vines climbing a wooden trellis in a kitchen garden: NPS, Public domain, via Wikimedia Commons; Zucchini fruit on the plant: Schlaghecken Josef, CC BY-SA 4.0, via Wikimedia Commons; Leaf lettuce growing in a garden: GT1976, CC BY-SA 4.0, via Wikimedia Commons; Long rows of green onion plants growing in sandy farm soil: ליזי שאנן, CC BY 2.5, via Wikimedia Commons; Neat rows of young garlic shoots growing in dark tilled soil: Timothy A. Gonsalves, CC BY-SA 4.0, via Wikimedia Commons; Pea plants growing up supports in a garden: Kolforn (Kolforn), CC BY-SA 4.0, via Wikimedia Commons; Young watermelon plant in a garden: Forest and Kim Starr, CC BY 3.0 us, via Wikimedia Commons.