Staked tomato plant in a straw-mulched kitchen garden with green and ripening red tomatoes

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Ohio planting dates

When to Plant Tomatoes in Ohio

For tomatoes in Ohio, spring planting starts between May 1 (Lawrence County) and May 15 (Allen County), according to Ohio State University Extension.

Photo: Staked tomato plant in a straw-mulched kitchen garden with green and ripening red tomatoes. NPS, Public domain, via Wikimedia Commons

Your county's dates for tomatoes

Zone 6a dates are the base; warmer zones plant earlier in spring.

Pile of ripe tomatoes
Pile of ripe tomatoes
Tomato plant with fruit in a garden
Tomato plant with fruit in a garden
Unripe green tomato on the plant
Unripe green tomato on the plant

Published dates for tomatoes in Ohio

TypeSeasonRegionPublished datesSource
TomatoesspringOhio (dates based on Zone 6a)May: 'After May 15' Tomatoes; June: Tomatoes; July: Tomatoes; August: 'Before August 20' Tomatoes (T)Ohio Gardening Calendar, p. 1, monthly 'Garden Planting' panels

Planting dates for tomatoes by Ohio county

CountySpringSummer and fall
AdamsMay 8 to Aug 13n/a
AllenMay 15 to Aug 20n/a
AshlandMay 15 to Aug 20n/a
AshtabulaMay 15 to Aug 20n/a
AthensMay 8 to Aug 13n/a
AuglaizeMay 15 to Aug 20n/a
BelmontMay 8 to Aug 13n/a
BrownMay 8 to Aug 13n/a
ButlerMay 8 to Aug 13n/a
CarrollMay 8 to Aug 13n/a
ChampaignMay 15 to Aug 20n/a
ClarkMay 15 to Aug 20n/a
ClermontMay 8 to Aug 13n/a
ClintonMay 8 to Aug 13n/a
ColumbianaMay 15 to Aug 20n/a
CoshoctonMay 8 to Aug 13n/a
CrawfordMay 15 to Aug 20n/a
CuyahogaMay 8 to Aug 13n/a
DarkeMay 15 to Aug 20n/a
DefianceMay 15 to Aug 20n/a
DelawareMay 8 to Aug 13n/a
ErieMay 8 to Aug 13n/a
FairfieldMay 15 to Aug 20n/a
FayetteMay 8 to Aug 13n/a
FranklinMay 8 to Aug 13n/a
FultonMay 15 to Aug 20n/a
GalliaMay 8 to Aug 13n/a
GeaugaMay 15 to Aug 20n/a
GreeneMay 8 to Aug 13n/a
GuernseyMay 8 to Aug 13n/a
HamiltonMay 8 to Aug 13n/a
HancockMay 15 to Aug 20n/a
HardinMay 15 to Aug 20n/a
HarrisonMay 8 to Aug 13n/a
HenryMay 15 to Aug 20n/a
HighlandMay 8 to Aug 13n/a
HockingMay 8 to Aug 13n/a
HolmesMay 15 to Aug 20n/a
HuronMay 15 to Aug 20n/a
JacksonMay 8 to Aug 13n/a
JeffersonMay 8 to Aug 13n/a
KnoxMay 15 to Aug 20n/a
LakeMay 8 to Aug 13n/a
LawrenceMay 1 to Aug 6n/a
LickingMay 15 to Aug 20n/a
LoganMay 15 to Aug 20n/a
LorainMay 8 to Aug 13n/a
LucasMay 8 to Aug 13n/a
MadisonMay 15 to Aug 20n/a
MahoningMay 15 to Aug 20n/a
MarionMay 15 to Aug 20n/a
MedinaMay 15 to Aug 20n/a
MeigsMay 8 to Aug 13n/a
MercerMay 15 to Aug 20n/a
MiamiMay 15 to Aug 20n/a
MonroeMay 8 to Aug 13n/a
MontgomeryMay 8 to Aug 13n/a
MorganMay 8 to Aug 13n/a
MorrowMay 15 to Aug 20n/a
MuskingumMay 8 to Aug 13n/a
NobleMay 8 to Aug 13n/a
OttawaMay 8 to Aug 13n/a
PauldingMay 15 to Aug 20n/a
PerryMay 15 to Aug 20n/a
PickawayMay 8 to Aug 13n/a
PikeMay 8 to Aug 13n/a
PortageMay 15 to Aug 20n/a
PrebleMay 15 to Aug 20n/a
PutnamMay 15 to Aug 20n/a
RichlandMay 15 to Aug 20n/a
RossMay 8 to Aug 13n/a
SanduskyMay 8 to Aug 13n/a
SciotoMay 8 to Aug 13n/a
SenecaMay 15 to Aug 20n/a
ShelbyMay 15 to Aug 20n/a
StarkMay 8 to Aug 13n/a
SummitMay 8 to Aug 13n/a
TrumbullMay 15 to Aug 20n/a
TuscarawasMay 8 to Aug 13n/a
UnionMay 15 to Aug 20n/a
Van WertMay 15 to Aug 20n/a
VintonMay 8 to Aug 13n/a
WarrenMay 8 to Aug 13n/a
WashingtonMay 8 to Aug 13n/a
WayneMay 15 to Aug 20n/a
WilliamsMay 15 to Aug 20n/a
WoodMay 8 to Aug 13n/a
WyandotMay 15 to Aug 20n/a

When to plant other crops in Ohio

More planting dates for Ohio

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

Planting tomatoes in Ohio: questions

When do you plant tomatoes in Ohio?

For tomatoes in Ohio, spring planting starts between May 1 (Lawrence County) and May 15 (Allen County), according to Ohio State University Extension.

Can I plant tomatoes in the fall in Ohio?

The Ohio State University Extension calendar used here lists no fall window for tomatoes.

What frost date should I use for tomatoes?

Cold nights after planting can damage young plants. The Ohio frost dates page shows how late frost runs in your county.

Where do these dates for tomatoes come from?

Ohio Gardening Calendar.

Why might my county's dates differ?

The calendar is written for zone 6a; spring dates move 1 week earlier in 6b and 2 weeks earlier in 7a.

Ripe red tomatoes on the vine
Ripe red tomatoes on the vine

Photos: Staked tomato plant in a straw-mulched kitchen garden with green and ripening red tomatoes: NPS, Public domain, via Wikimedia Commons; Ripe red tomatoes on the vine: Softeis, CC BY-SA 3.0, via Wikimedia Commons; Pile of ripe tomatoes: Jubair Bin Iqbal, CC BY-SA 4.0, via Wikimedia Commons; Tomato plant with fruit in a garden: MavisLee, CC BY-SA 3.0, via Wikimedia Commons; Unripe green tomato on the plant: Microrao, 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; Long neat rows of green potato plants stretching across a farm field: Malcolm Neal, CC BY-SA 2.0, via Wikimedia Commons; Tall corn plants with golden tassels against a summer sky in a field: inkknife_2000, CC BY-SA 2.0, 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 plants growing in a greenhouse bed: HARTLEPOOLMARINA2014, CC BY-SA 4.0, via Wikimedia Commons; Zucchini fruit on the plant: Schlaghecken Josef, CC BY-SA 4.0, via Wikimedia Commons; Lettuce plants growing in rows: AfroBrazilian, CC BY-SA 3.0, via Wikimedia Commons; Long rows of green onion plants growing in sandy farm soil: ליזי שאנן, CC BY 2.5, via Wikimedia Commons.