Conditional — Some Areas
muscadine grape (zones 7-9) reaches only part of Ohio (5b-7a): zone 7 are in range, so where you are in the state decides it.
Muscadine Grape in Ohio — the short answer
Muscadine Grape in Ohio: hardy in zones 7–9, full sun, against a state median of ~208 frost-free days.
- Plant zones
- 7-9
- Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
- Ohio zones
- 5b-7a
- USDA PHZM 2023
- Frost window
- Apr 5 - Apr 13 – Oct 31 - Nov 6
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 182 days
- NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.
Your yard isn't the whole zone.
Ohio spans zones 5b-7a, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score muscadine grape against your parcel's actual hardiness, soil, and sun.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Ohio is not one climate
Ohio’s winter-low ladder runs across 88 counties, from zone 6 in Allen County to zone 7 in Scioto County. That is 10°F between the two counties’ average coldest night — the difference between muscadine grape overwintering in the ground and coming under cover.
The middle half of 88 counties runs 6–6.5 zones, with a median of 6.5 zones — a 1-zone span end to end.
Measured across 88 Ohio counties. USDA PHZM 2023, per county. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.
Where in Ohio Fits Best
Muscadine Grape is rated for zones 7–9 — a cold floor USDA puts at 0 to 10°F. Against Ohio’s 88 counties that band holds in 4 of them, and the line runs at Cuyahoga County (zone 7a), the coldest county still inside it.
Below the zone 7 floor
84 counties
- Allen County · zone 6a
- Ashland County · zone 6a
- Auglaize County · zone 6a
3 of 84 shown
Winter cold is the limit here — the same plant works in a container that comes under cover.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.
Even within Ohio's zones 5b-7a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for muscadine grape (USDA PHZM 2023):
Zone Comparison
Muscadine Grape Needs
- USDA Zones: 7-9
- Frost-Free Days: 150+
- Sun: Full Sun
- Mature size: 30 ft tall
- Picking window: ~28 days of harvest
- Drought tolerance: Medium
Ohio Has
- USDA Zones: 5b-7a
- Last Hard Freeze (28°F): Apr 5 - Apr 13
- First Hard Freeze (28°F): Oct 31 - Nov 6
- Annual Rainfall: 34-42 inches
- Common Soils: Glacial till, Clay loam, Silt loam
Plant Zone Range (zones 7-9)
Preferred Soil pH
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Muscadine Grape in Ohio
The frost window
Across Ohio, the last spring hard freeze (28°F) clears between Apr 5 and Apr 13, and the first fall hard freeze lands between Oct 31 and Nov 6 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 201-day window you can count on — up to 215 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.
Winter standing
Ohio runs as cold as USDA zone 5, and no sourced winter-hardiness floor is on record for muscadine grape, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether muscadine grape is a permanent planting or a replant-every-spring crop for you turns on your own zone within Ohio; check its hardiness range against that before treating it as long-lived ground.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
Growing Season Fit
The zone check says muscadine grape survives winter in part of Ohio, not across all of it. Whether the season is long enough — and warm enough — is a different question.
Frost-free days
Muscadine Grape wants 150+ frost-free days; a typical Ohio site sees ~208 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves a workable window — start indoors to bank time.
Growing degree days
Muscadine Grape needs ~3000 GDD (base 50°F) to ripen. The state median runs ~2921 GDD (from PRISM 1991-2020 climate normals), so Ohio's typical season runs short on heat — pick a south-facing site and consider season extension.
Chill hours
Muscadine Grape requires ~600 chill hours (32-45°F dormancy window). Ohio typically banks ~2500 chill hours per winter (from PRISM 1991-2020 climate normals), which keeps this plant on track.
GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.
Soil + Drainage Fit
Muscadine Grape likes near-neutral soil (pH 5.8-8). That's the common-ground band across Ohio's glacial till and clay loam — a soil test confirms it for your site. It will grow across that whole span, but it does best between pH 6 and 7 — worth knowing before you decide whether a Ohio soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Ohio site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Ohio soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Before you plant muscadine grape for food
Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before muscadine grape goes in. What follows is Ohio’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.
Safe to Grow Here?
What the federal record shows across Ohio — and how to grow with it.
We checked the federal record across Ohio — 49,306 documented sites across 8 of the 9 source types we track.
The most significant on record: 669 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.
Ohio carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.
Sources Checked
across Ohio
Severity Distribution
across Ohio
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Ohio, two things run higher than the national average across Ohio — Toxics Release Inventory (4,234 sites) and Superfund (669 sites). That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
What Else to Consider for Muscadine Grape in Ohio
Zone compatibility tells you about winter cold survival — but Ohio growers also need to think about:
Heavy clay soils across much of northern Ohio require amendment for drainage
Variable spring weather with late frost risk through mid-May
Japanese beetles and tomato hornworms are common garden pests
Wet springs can delay planting and promote root rot
What to actually do about these — and the constraints that apply to every Ohio grower, not just muscadine grape — is covered on the Ohio growing guide.
Timing shifts within Ohio
Muscadine Grape needs about 150 days of frost-free season to complete its cycle. Even Columbiana County — Ohio’s shortest season at 182 frost-free days — clears that by 32 days, so season length isn’t the constraint anywhere in Ohio. What varies is your own parcel.
County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Muscadine Grape's 150-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.
Ohio Cooperative Extension
For Ohio-specific cultivar recommendations, planting calendars, and pest pressure for muscadine grape, the canonical source is Ohio State University Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Muscadine Grape native to Ohio?
Muscadine Grape is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Ohio. It can still earn a place in a Ohio garden — the zone comparison above tells you whether it will thrive.
Looking for plants that belong here? The Ohio growing guide lists USDA-documented natives for the state.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
What pests threaten muscadine grape in Ohio?
Spotted lanternfly and Japanese beetle are documented in Ohio, and they hit muscadine grape where it counts. Here is what each one actually does — and the move that beats it.
Spotted lanternfly
Act on thisGrapevines are one of only three plants spotted lanternfly is known to kill — Penn State Extension reports that scientists have seen it kill only grapevines, tree-of-heaven and black walnut saplings. On a vine, the sap feeding itself is the damage.
What to do: Scrape or smash every egg mass you can reach between September and June — Penn State found that more effective than the oil ovicides sold for the job. Scout your own vines through the season and treat only where high populations persist, and never spray a vine that is in bloom.
Documented range: states with established spotted lanternfly populations · Penn State Extension
Japanese beetle
Worth watchingThis is on the University of Minnesota's list of Japanese beetle preferred plants — but their read is that fruits, vegetables and herbs tolerate limited leaf feeding, and that in most cases the damage is cosmetic and will not kill the plant.
What to do: Protect it only through the few peak weeks: handpick into soapy water in the cool of morning, harvest regularly through July and August to take the feeding pressure off the edible parts, and keep the plant well watered — a vigorous plant outgrows feeding that looks worse than it is. Do not hang a beetle trap.
Documented range: states listed as Japanese-beetle infested · University of Minnesota Extension, National Plant Board
Only pests whose documented range and host relationship both trace to a primary source appear here — so a quiet section means we have nothing sourced to tell you, not that your garden is pest-free.
Common Questions About Growing Muscadine Grape in Ohio
When can I plant Muscadine Grape in Ohio?
Ohio's last spring hard freeze (28°F) clears between Apr 5 and Apr 13, and the first fall hard freeze lands between Oct 31 and Nov 6 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Muscadine Grape, so this page does not state whether it overwinters in Ohio and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.
What hardiness zone is Muscadine Grape grown in across Ohio?
Ohio spans USDA hardiness zones 5b-7a (USDA ARS PHZM 2023). Muscadine Grape carries a range of zones 7-9, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Ohio site have?
A typical Ohio site sees ~208 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Muscadine Grape needs 150+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Is Muscadine Grape native to Ohio?
Muscadine Grape is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Ohio. It can still earn a place in a Ohio garden — the zone comparison above tells you whether it will thrive.
How should I amend the soil for Muscadine Grape in Ohio?
Muscadine Grape prefers pH 5.8-8 and well (dry spells) drainage (FAO ECOCROP). That sits in the common-ground band across Ohio soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Muscadine Grape actually grow on my specific land in Ohio?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores muscadine grape against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Ohio
State-level data is a sketch. Your Growable Ground report scores muscadine grape against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Ohio muscadine grape averages can't show:
We read public map data around Ohio — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Ohio muscadine grape average
Explore More
Growing guides for muscadine grape
Explore Ohio county by county
Ohio carries 88 counties with their own USDA zone — a sample of the growing pages for muscadine grape there:
Where else muscadine grape grows
Muscadine Grape's zone band crosses state lines — these are the states closest to Ohio in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.
More to grow in Ohio
Ohio has a growing page for 893 plants — a rotating sample of the rest of the shelf.
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