garlic (Allium sativum), photographi

Can I Grow Garlic in Nevada?

USDA Zones 4a-10a · Plant zone range 2-10

Yes — Strong Match

garlic (zones 2-10) covers every zone Nevada contains (4a-10a), so hardiness is not what limits it anywhere in the state.

Garlic in Nevada — the short answer

Garlic in Nevada: hardy in zones 2–10, full sun, against a state median of ~163 frost-free days.

Plant zones
2-10
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
Nevada zones
4a-10a
USDA PHZM 2023
Frost window
Apr 28 - May 20 – Oct 9 - Oct 21
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
110 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Days to maturity
220 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.

Nevada spans zones 4a-10a, 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 garlic 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 full report in seconds

Nevada is not one climate

Nevada’s winter-low ladder runs across 17 counties, from zone 5 in Elko County to zone 9 in Clark County. That is 40°F between the two counties’ average coldest night — the difference between garlic overwintering in the ground and coming under cover.

5 zonesElko County9 zonesClark County

The middle half of 17 counties runs 6.57 zones, with a median of 7 zones — a 4-zone span end to end.

Measured across 17 Nevada 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 Nevada Fits Best

Even within Nevada's zones 4a-10a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for garlic (USDA PHZM 2023):

Zone Comparison

Garlic Needs

  • USDA Zones: 2-10
  • Frost-Free Days: 90+
  • Sun: Full Sun
  • Mature size: 2 ft tall
  • Picking window: ~14 days of harvest
  • Drought tolerance: Medium

Nevada Has

  • USDA Zones: 4a-10a
  • Last Hard Freeze (28°F): Apr 28 - May 20
  • First Hard Freeze (28°F): Oct 9 - Oct 21
  • Annual Rainfall: 4-12 inches
  • Common Soils: Desert sand, Caliche, Alkaline clay

Plant Zone Range (zones 2-10)

2a
10b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.08.5

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 Garlic in Nevada

The frost window

Across Nevada, the last spring hard freeze (28°F) clears between Apr 28 and May 20, and the first fall hard freeze lands between Oct 9 and Oct 21 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 142-day window you can count on — up to 176 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

Garlic is direct-sown where it grows rather than started under cover, so there is no seed-tray head start to bank — Nevada's dates above are the whole calendar for it. That makes the last-freeze date the binding constraint, and a warmer pocket of your own yard is worth more to this crop than it is to a transplanted one.

Establishment timing

As a long-lived plant, garlic 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.

Timing tuned to sub-state frost dates — Nye County, not the statewide average.

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

Frost-free days

Garlic wants 90+ frost-free days; a typical Nevada site sees ~163 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.

Growing degree days

Garlic needs ~1200 GDD (base 50°F) to ripen. The state median runs ~1725 GDD (from PRISM 1991-2020 climate normals), so Nevada'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

Garlic tolerates a wide pH range (pH 5-8.5) — 3.5 units, acid ground through alkaline — so soil acidity is rarely what limits it in Nevada. 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 Nevada soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Nevada site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Your land, not the state average

Whether garlic is safe to eat from Nevada soil is a block-by-block question, not a town-wide one — 16,813 documented contamination sites mean levels spike on some parcels and not the one next door. Garlic roots to about 19 inches, so it is the top 19 inches under your address that decide what it takes up, so only a test on your address settles it.

Check your parcel → Source: USDA NRCS SSURGO + EPA/state contamination databases.

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

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

Federal record: High

We checked the federal record across Nevada16,813 documented sites across 8 of the 9 source types we track.

The most significant on record: 127 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Nevada 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 Nevada

High2,852Moderate8,505Low5,456

Highest-Severity Sites

16 to 1 Mine
Mining Sites · Producer
A and B
Mining Sites · Past Producer
A and B Mine
Mining Sites · Past Producer
A and C Mine
Mining Sites · Past Producer
A and H Claim
Mining Sites · Past Producer

A note from Gnorman

What an experienced grower watches for around here

In and around Nevada, Mining runs higher than the national average — 6,064 sites across Nevada. 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 Garlic in Nevada

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

Extremely low rainfall (driest US state)

Alkaline soils (pH 8-9) limit many species

Extreme summer heat in southern valleys

Growing garlic here specifically

Because you eat the bulb of garlic that sit in the soil, contamination matters more than for most crops — Nevada has 16,813 documented sites, and lead concentrates block by block, not town-wide.

Test your soil for lead first, and raise garlic in clean imported soil if the reading is high. How to handle it →

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

Timing shifts within Nevada

Nevada isn't one climate. In Nye County, the last hard freeze (28°F) holds until about May 31 — roughly 30 days later than the recorded state median — so plant garlic to your county's window, not the statewide date.

Garlic needs about 90 days of frost-free season to complete its cycle. Even Elko County — Nevada’s shortest season at 110 frost-free days — clears that by 20 days, so season length isn’t the constraint anywhere in Nevada. What varies is your own parcel.

Across Nevada’s 17 counties the frost-free season runs from 110 days in Elko County to 321 days in Clark County — a spread of 211 days, which is why a single statewide planting date misleads. The median Nevada county sees 163 frost-free days, leaving garlic about 73 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"). Garlic's 90-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

Garlic 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, garlic can only work that bloom inside Nevada's frost window — roughly 163 days, opening after the last 28°F freeze (Apr 28 - May 20) and closing at the first (Oct 9 - Oct 21), per NOAA Regional Climate Centers ACIS, 1991-2020. Deer pressure is meaningful across much of Nevada; garlic is listed as deer-resistant (USDA PLANTS Database), which makes it a safer pick for unfenced sites. Our deer & wildlife guide carries the full deer-resistant list and how to protect the rest.

Good to Know Before You Plant Garlic

Garlic is listed as toxic to dogs, cats (all) at a moderate level (ASPCA). Most listed plants only cause brief upset — a raised bed or a fenced corner usually keeps curious pets clear. Worth knowing for placement: garlic overwinters through Nevada — its sourced hardiness floor is zone 4 and the state runs no colder than zone 4 — so it stands in the bed year-round, and where you site it is a long-term decision.

Nevada Cooperative Extension

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

Is Garlic native to Nevada?

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

Looking for plants that belong here? The Nevada 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 Garlic in Nevada

When can I plant Garlic in Nevada?

Nevada's last spring hard freeze (28°F) clears between Apr 28 and May 20, and the first fall hard freeze lands between Oct 9 and Oct 21 (NOAA Regional Climate Centers ACIS, 1991-2020). Garlic 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 Garlic grown in across Nevada?

Nevada spans USDA hardiness zones 4a-10a (USDA ARS PHZM 2023). Garlic carries a range of zones 2-10, so the overlap zones are where outdoor growing is most reliable.

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

A typical Nevada site sees ~163 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Garlic needs 90+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Nye, the freeze-free season runs shorter than the state average, so verify your own county's window.

Is Garlic native to Nevada?

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

How should I amend the soil for Garlic in Nevada?

Garlic tolerates pH 5-8.5 and well (dry spells) drainage (FAO ECOCROP). That is a 3.5-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Nevada site — amend for drainage and organic matter first.

Will Garlic actually grow on my specific land in Nevada?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores garlic 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 Nevada

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

Three things about your lot that Nevada garlic averages can't show:

Your soil pHYour frost-free days — Nevada averages 163Your sun & shade

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

25+ data sources read at your address, not the Nevada garlic average

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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