chive (Allium schoenoprasum), photographi

Can I Grow Chive in Utah?

USDA Zones 4a-9a · Plant zone range 3-9

Yes — Strong Match

chive (zones 3-9) covers every zone Utah contains (4a-9a), so hardiness is not what limits it anywhere in the state.

Chive in Utah — the short answer

Chive in Utah: hardy in zones 3–9, part sun, against a state median of ~175 frost-free days.

Plant zones
3-9
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
Utah zones
4a-9a
USDA PHZM 2023
Frost window
Apr 12 - May 6 – Oct 8 - Oct 27
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
98 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
80 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

Your yard isn't the whole zone.

Utah spans zones 4a-9a, 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 chive 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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Utah is not one climate

Utah’s winter-low ladder runs across 29 counties, from zone 4.5 in Rich County to zone 7.5 in Washington County. That is 30°F between the two counties’ average coldest night — the difference between chive overwintering in the ground and coming under cover.

4.5 zonesRich County7.5 zonesWashington County

The middle half of 29 counties runs 67 zones, with a median of 6.5 zones — a 3-zone span end to end.

Measured across 29 Utah 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 Utah Fits Best

Even within Utah's zones 4a-9a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for chive (USDA PHZM 2023):

Zone Comparison

Chive Needs

  • USDA Zones: 3-9
  • Frost-Free Days: 70+
  • Sun: Part Sun
  • Mature size: 1 ft tall
  • Picking window: ~120 days of harvest
  • Drought tolerance: Low

Utah Has

  • USDA Zones: 4a-9a
  • Last Hard Freeze (28°F): Apr 12 - May 6
  • First Hard Freeze (28°F): Oct 8 - Oct 27
  • Annual Rainfall: 5-20 inches
  • Common Soils: Sandy loam, Alkaline clay, Desert sand

Plant Zone Range (zones 3-9)

3a
9b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.08.2

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 Chive in Utah

The frost window

Across Utah, the last spring hard freeze (28°F) clears between Apr 12 and May 6, and the first fall hard freeze lands between Oct 8 and Oct 27 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 155-day window you can count on — up to 198 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 chive goes out, not when it starts. It is sown under cover about 8 weeks ahead, so counting back from Utah's late-side last freeze of May 6 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.

Establishment timing

As a long-lived plant, chive isn't racing the calendar to a harvest date. Plant it in spring once the last hard-freeze window passes so roots settle in through the full season, or in early fall while the soil still holds summer warmth.

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 chive survives winter here. Whether the season is long enough — and warm enough — is a different question.

Frost-free days

Chive wants 70+ frost-free days; a typical Utah site sees ~175 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.

Growing degree days

Chive needs ~1200 GDD (base 50°F) to ripen. The state median runs ~2690 GDD (from PRISM 1991-2020 climate normals), so Utah'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

Chive tolerates a wide pH range (pH 5-8.2) — 3.2 units, acid ground through alkaline — so soil acidity is rarely what limits it in Utah. 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 6.6 — worth knowing before you decide whether a Utah soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Utah 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. Utah soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant chive 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 chive goes in. What follows is Utah’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 Utah — and how to grow with it.

Federal record: High

We checked the federal record across Utah17,478 documented sites across 8 of the 9 source types we track.

The most significant on record: 202 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Utah 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.

Severity Distribution

across Utah

High1,737Moderate8,592Low7,149

Highest-Severity Sites

1903 Mine
Mining Sites · Past Producer
700 South 1600 East Pce Plume
Superfund · Superfund NPL
Admiral Dewey Mine
Mining Sites · Past Producer
Admiral Group
Mining Sites · Past Producer
Ajax Mine
Mining Sites · Past Producer

A note from Gnorman

What an experienced grower watches for around here

In and around Utah, Mining runs higher than the national average — 3,654 sites across Utah. That's not a problem with your land — it's information about it.

Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.

Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

What Else to Consider for Chive in Utah

Zone compatibility tells you about winter cold survival — but Utah growers also need to think about:

Very low rainfall — irrigation essential

Alkaline soils (pH 7.5-8.5) limit many species

High altitude frost risk in mountain valleys

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

Timing shifts within Utah

Chive needs about 70 days of frost-free season to complete its cycle. Even Summit County — Utah’s shortest season at 98 frost-free days — clears that by 28 days, so season length isn’t the constraint anywhere in Utah. What varies is your own parcel.

Across Utah’s 29 counties the frost-free season runs from 98 days in Summit County to 237 days in Washington County — a spread of 139 days, which is why a single statewide planting date misleads. The median Utah county sees 175 frost-free days, leaving chive about 105 days of slack on a typical parcel — room for a second sowing where the season runs long.

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"). Chive's 70-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.

Pollinator + Wildlife Value

Chive draws honeybees, native bees, and butterflies (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, chive can only work that bloom inside Utah's frost window — roughly 175 days, opening after the last 28°F freeze (Apr 12 - May 6) and closing at the first (Oct 8 - Oct 27), per NOAA Regional Climate Centers ACIS, 1991-2020.

Utah Cooperative Extension

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

Is Chive native to Utah?

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

Looking for plants that belong here? The Utah 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 Chive in Utah

When can I plant Chive in Utah?

Utah's last spring hard freeze (28°F) clears between Apr 12 and May 6, and the first fall hard freeze lands between Oct 8 and Oct 27 (NOAA Regional Climate Centers ACIS, 1991-2020). Chive is a long-lived planting, so target spring just after your local last hard freeze — or early fall while the soil holds warmth — and let it establish through the season.

What hardiness zone is Chive grown in across Utah?

Utah spans USDA hardiness zones 4a-9a (USDA ARS PHZM 2023). Chive carries a range of zones 3-9, so the overlap zones are where outdoor growing is most reliable.

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

A typical Utah site sees ~175 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Chive needs 70+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.

Is Chive native to Utah?

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

How should I amend the soil for Chive in Utah?

Chive tolerates pH 5-8.2 and well (dry spells) drainage (FAO ECOCROP). That is a 3.2-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Utah site — amend for drainage and organic matter first.

Will Chive actually grow on my specific land in Utah?

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

Free Report

Check your specific parcel in Utah

State-level data is a sketch. Your Growable Ground report scores chive against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that Utah chive averages can't show:

Your soil pHYour frost-free days — Utah averages 175Your sun & shade

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

25+ data sources read at your address, not the Utah chive average

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