Generally — Most Areas
medlar (zones 5-8) suits most of South Carolina (7a-9b) — zones 7-8 are in range, and the rest of the state is the exception.
Your yard isn't the whole zone.
South Carolina spans zones 7a-9b, 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 medlar against your parcel's actual hardiness, soil, and sun.
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Zone Comparison
Medlar Needs
- USDA Zones: 5-8
- Sun: Part Sun
- Mature size: 20 ft tall
- Picking window: ~30 days of harvest
- Drought tolerance: Medium
South Carolina Has
- USDA Zones: 7a-9b
- Last Hard Freeze (28°F): Feb 27 - Mar 12
- First Hard Freeze (28°F): Nov 23 - Dec 1
- Annual Rainfall: 45-55 inches
- Common Soils: Red clay (Piedmont), Sandy loam (Coastal), Alluvial
Plant Zone Range (zones 5-8)
Preferred Soil pH
Plant data: USDA PLANTS Database / Growable Ground plant catalog. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Medlar in South Carolina
The frost window
Across South Carolina, the last spring hard freeze (28°F) clears between Feb 27 and Mar 12, and the first fall hard freeze lands between Nov 23 and Dec 1 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 256-day window you can count on — up to 277 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
South Carolina runs as cold as USDA zone 7, and no sourced winter-hardiness floor is on record for medlar, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether medlar is a permanent planting or a replant-every-spring crop for you turns on your own zone within South Carolina; check its hardiness range against that before treating it as long-lived ground.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: USDA PLANTS Database. 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 medlar survives winter in part of South Carolina, not across all of it. Whether the season is long enough — and warm enough — is a different question.
Days to maturity
Medlar matures in ~1825 days (Growable Ground Plant Database). A typical South Carolina site has ~265 frost-free days, so tight — start indoors or use season-extension to close the gap.
Growing degree days
Medlar needs ~2000 GDD (base 50°F) to ripen. The state median runs ~5233 GDD (from PRISM 1991-2020 climate normals), so South Carolina's typical season clears that easily.
Chill hours
Medlar requires ~600 chill hours (32-45°F dormancy window). South Carolina typically banks ~1278 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
Medlar tolerates a wide pH range (pH 5-8) — 3 units, acid ground through alkaline — so soil acidity is rarely what limits it in South Carolina. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 6 and 7 — worth knowing before you decide whether a South Carolina soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your South Carolina site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH and drainage requirements from USDA PLANTS Database. South Carolina soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Medlar in South Carolina — Quick Answer
- Verdict: Generally — Most Areas
- Plant Zones: 5-8 (USDA PLANTS Database)
- State Zones: 7a-9b (USDA ARS PHZM 2023)
- Growing Season: 28°F hard freezes about Feb 27 - Mar 12 to Nov 23 - Dec 1 (NOAA Regional Climate Centers ACIS, 1991-2020)
- Days to Maturity: 1825 days
What Else to Consider for Medlar in South Carolina
Zone compatibility tells you about winter cold survival — but South Carolina growers also need to think about:
Red Piedmont clay requires amendment for drainage
High heat and humidity promote diseases
Hurricane risk along the coast
What to actually do about these — and the constraints that apply to every South Carolina grower, not just medlar — is covered on the South Carolina growing guide.
Where in South Carolina Medlar Is Zone-Hardy
Medlar is rated for USDA zones 5–8. 19 of South Carolina’s 46 counties fall inside that band. The coldest that does is Abbeville County at zone 8a. 27 counties sit above its zone 8 ceiling, where the limit is too little winter chill rather than too much cold. Where you are in South Carolina decides this one.
Across those 46 counties South Carolina’s winter-low ladder runs from zone 8a in Abbeville County to zone 9a in Jasper County — 1 USDA zone of spread, which is 10°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.
The planting window moves with it. Chester County holds its last hard freeze (28°F) until about Mar 22, while Charleston County is clear by Feb 1 — 49 days apart. Set medlar out on your county’s date, not the state’s.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". Medlar’s zone 5–8 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.
Where in South Carolina Fits Best
Even within South Carolina's zones 7a-9b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for medlar (USDA PHZM 2023):
Pollinator + Wildlife Value
Medlar draws honeybees and native bees (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, medlar can only work that bloom inside South Carolina's frost window — roughly 265 days, opening after the last 28°F freeze (Feb 27 - Mar 12) and closing at the first (Nov 23 - Dec 1), per NOAA Regional Climate Centers ACIS, 1991-2020.
South Carolina Cooperative Extension
For South Carolina-specific cultivar recommendations, planting calendars, and pest pressure for medlar, the canonical source is Clemson Cooperative Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Medlar native to South Carolina?
No — the USDA PLANTS Database lists Medlar as introduced rather than native in the Lower 48, so it is not part of South Carolina's native flora. It grows here as a garden plant; pairing it with a few South Carolina natives keeps local pollinators fed too.
Looking for plants that belong here? The South Carolina growing guide lists USDA-documented natives for the state.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
Common Questions About Growing Medlar in South Carolina
When can I plant Medlar in South Carolina?
South Carolina's last spring hard freeze (28°F) clears between Feb 27 and Mar 12, and the first fall hard freeze lands between Nov 23 and Dec 1 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Medlar, so this page does not state whether it overwinters in South Carolina 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 Medlar grown in across South Carolina?
South Carolina spans USDA hardiness zones 7a-9b (USDA ARS PHZM 2023). Medlar carries a range of zones 5-8, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical South Carolina site have?
A typical South Carolina site sees ~265 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Medlar should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Is Medlar native to South Carolina?
No — the USDA PLANTS Database lists Medlar as introduced rather than native in the Lower 48, so it is not part of South Carolina's native flora. It grows here as a garden plant; pairing it with a few South Carolina natives keeps local pollinators fed too.
How should I amend the soil for Medlar in South Carolina?
Medlar tolerates pH 5-8 and well (dry spells) drainage (Growable Ground Plant Database). That is a 3-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a South Carolina site — amend for drainage and organic matter first.
Will Medlar actually grow on my specific land in South Carolina?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores medlar 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 South Carolina
State-level data is a sketch. Your Growable Ground report scores medlar against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that South Carolina medlar averages can't show:
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