radicchio (Cichorium intybus), photographi

Can I Grow Radicchio in West Virginia?

USDA Zones 5b-7a · Plant zone range 3-10

Yes — Strong Match

radicchio is grown in zones 3-10, which covers every zone West Virginia contains (5b-7a). Whether the season is long enough is the question that remains.

Radicchio in West Virginia — the short answer

Radicchio in West Virginia: grown in zones 3–10, full sun.

Plant zones
3-10
Not verified — NC State Extension Gardener Plant Toolbox lists zones 3a–8b
West Virginia zones
5b-7a
USDA PHZM 2023
Frost window
Apr 4 - Apr 15 – Oct 26 - Nov 5
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
170 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
65 days
Growable Ground Plant Database

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.

Score your parcel · free to start

Your yard isn't the whole zone.

West Virginia 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 radicchio 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.

No card required · your parcel report in seconds — read in full free for your first 14 days

West Virginia is not one climate

A single West Virginia answer averages 55 counties whose growing seasons are 62 days apart — from 170 frost-free days in Pocahontas County to 232 in Logan County. Which end of that your land sits nearer changes what radicchio can finish before the first hard freeze.

170 daysPocahontas County232 daysLogan County

The middle half of 55 counties runs 194–214 days, with a median of 204 days — a 62-day span end to end.

Measured across 55 West Virginia counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. 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 West Virginia Fits Best

Even within West Virginia's zones 5b-7a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for radicchio (USDA PHZM 2023):

Zone Comparison

Radicchio Needs

  • USDA Zones: 3-10
  • Sun: Full Sun
  • Mature size: 1 ft tallWe haven't confirmed this against a published source yet.
  • Picking window: ~14 days of harvestWe haven't confirmed this against a published source yet.
  • Drought tolerance: Medium

West Virginia Has

  • USDA Zones: 5b-7a
  • Last Hard Freeze (28°F): Apr 4 - Apr 15
  • First Hard Freeze (28°F): Oct 26 - Nov 5
  • Annual Rainfall: 38-56 inches
  • Common Soils: Shale-derived, Sandy loam, Clay loam

Plant Zone Range (zones 3-10)

3a
10b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 4.5 – 8.3

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 Radicchio in West Virginia

The frost window

Across West Virginia, the last spring hard freeze (28°F) clears between Apr 4 and Apr 15, and the first fall hard freeze lands between Oct 26 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 194-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.

When to start the seed

Those dates are when radicchio goes out, not when it starts. It is sown under cover about 4 weeks ahead, so counting back from West Virginia's late-side last freeze of Apr 15 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.

Winter standing

West Virginia runs as cold as USDA zone 5, and no sourced winter-hardiness floor is on record for radicchio, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether radicchio is a permanent planting or a replant-every-spring crop for you turns on your own zone within West Virginia; 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

Radicchio is grown in zones 3–10, which covers every zone West Virginia contains (5b-7a). We have no sourced winter-survival figure for radicchio, so this page does not say whether it overwinters here. West Virginia's typical season runs ~204 frost-free days against the ~90 radicchio needs.

Growing degree days

Radicchio needs ~1300 GDD (base 50°F) to ripen. We haven't confirmed this against a published source yet. The state median runs ~2941 GDD (from PRISM 1991-2020 climate normals), so West Virginia's typical season clears that easily.

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

Radicchio tolerates a wide pH range (pH 4.5-8.3) — 3.8 units, acid ground through alkaline — so soil acidity is rarely what limits it in West Virginia. 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 7.5 — worth knowing before you decide whether a West Virginia soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your West Virginia site is heavier clay or sits in a low spot, a raised bed lifts the roots above wet ground, or work in compost.

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. West Virginia soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant radicchio 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 radicchio goes in. What follows is West Virginia’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 West Virginia — and how to grow with it.

Federal record: High

We checked the federal record across West Virginia — 10,206 documented sites across 6 of the 8 source types we track.

The most significant on record: 112 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

West Virginia 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 of imported, lab-tested soil grow well almost anywhere in the meantime.

Know before you grow — the guide

Sources Checked

across West Virginia

Severity Distribution

across West Virginia

High56Moderate2,090Low8,060

Highest-Severity Sites

PFAS Sampling · PFAS Detected
Superfund · Superfund NPL
PFAS Sampling · PFAS Detected
Superfund · Superfund NPL
PFAS Sampling · PFAS Detected

A note from Gnorman

What an experienced grower watches for around here

In and around West Virginia, Brownfields runs higher than the national average — 710 sites across West Virginia. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.

Brownfields: Brownfield sites are former commercial or industrial properties that EPA’s Brownfields program (ACRES) has assessed or funded cleanup on.

Contact the EPA Brownfields program or the state cleanup agency for this site’s actual assessment/remediation status — ACRES itself does not publish one we can read per site.

Sources: EPA, USGS — 950K documented sites tracked nationwide across 8 federal source types.

What Else to Consider for Radicchio in West Virginia

The zone range tells you where radicchio is grown — but West Virginia growers also need to think about:

Steep terrain limits usable growing area

Thin acidic soils over shale bedrock

Short mountain valley growing seasons

What to actually do about these — and the constraints that apply to every West Virginia grower, not just radicchio — is covered on the West Virginia growing guide.

Where in West Virginia Radicchio Is Zone-Hardy

Radicchio is rated for USDA zones 3–10. Every one of West Virginia’s 55 counties sits inside that band — from Hardy County at zone 6a to Wyoming County at zone 7a — so winter cold is not what decides this plant anywhere in the state. What is left to vary is your own parcel: slope, shelter and cold-air drainage routinely move a site half a zone either way from the county figure.

Across those 55 counties West Virginia’s winter-low ladder runs from zone 6a in Hardy County to zone 7a in Wyoming 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. Pocahontas County holds its last hard freeze (28°F) until about Apr 30, while Logan County is clear by Mar 26 — 35 days apart. Set radicchio 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". Radicchio’s zone 3–10 band: Not verified — NC State Extension Gardener Plant Toolbox lists zones 3a–8b. A parcel report resolves your address’s own zone and frost dates rather than its county’s.

Pollinator + Wildlife Value

Radicchio draws honeybees and native bees (moderate value). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, radicchio can only work that bloom inside West Virginia's frost window — roughly 204 days, opening after the last 28°F freeze (Apr 4 - Apr 15) and closing at the first (Oct 26 - Nov 5), per NOAA Regional Climate Centers ACIS, 1991-2020. Pollinator value: We haven't confirmed this against a published source yet.

West Virginia Cooperative Extension

For West Virginia-specific cultivar recommendations, planting calendars, and pest pressure for radicchio, the canonical source is WVU Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Radicchio native to West Virginia?

No — the USDA PLANTS Database lists Radicchio as introduced rather than native in the Lower 48, so it is not part of West Virginia's native flora. It grows here as a garden plant; pairing it with a few West Virginia natives keeps local pollinators fed too.

Looking for plants that belong here? The West Virginia growing guide lists plants that USDA PLANTS records growing in West Virginia and that Kew and NatureServe Explorer both list in its native range, leaving out any that NatureServe flags as exotic there or that our audit holds.

State records: USDA PLANTS Database state-distribution data (presence, not state-level nativity), accessed 2026-10-19.

Common Questions About Growing Radicchio in West Virginia

When can I plant Radicchio in West Virginia?

West Virginia's last spring hard freeze (28°F) clears between Apr 4 and Apr 15, and the first fall hard freeze lands between Oct 26 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Radicchio, so this page does not state whether it overwinters in West Virginia 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 Radicchio grown in across West Virginia?

West Virginia spans USDA hardiness zones 5b-7a (USDA ARS PHZM 2023). Radicchio carries a range of zones 3-10, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical West Virginia site have?

A typical West Virginia site sees ~204 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Radicchio needs 90+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.

Is Radicchio native to West Virginia?

No — the USDA PLANTS Database lists Radicchio as introduced rather than native in the Lower 48, so it is not part of West Virginia's native flora. It grows here as a garden plant; pairing it with a few West Virginia natives keeps local pollinators fed too.

How should I amend the soil for Radicchio in West Virginia?

Radicchio tolerates pH 4.5-8.3 and well (dry spells) drainage (FAO ECOCROP). That is a 3.8-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a West Virginia site — amend for drainage and organic matter first.

Will Radicchio actually grow on my specific land in West Virginia?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores radicchio against your address's mapped soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free to start

Check your specific parcel in West Virginia

State-level data is a sketch. Your Growable Ground report scores radicchio against your land's mapped soil, modelled sun, drainage, and frost data — not zone averages.

Three things about your lot that West Virginia radicchio averages can't show:

Your soil pHYour frost-free days — West Virginia averages 204Your sun & shade

We read public map data around West Virginia — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the West Virginia radicchio average

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