What Grows in Tulare County, California

USDA Zones 9a · 3.1M acres

Tulare County, in California, sits in USDA hardiness zone 9a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.

On paper, avocado, meyer lemon, tomato, and grape all suit these conditions — on the ground, soil, sun, and drainage make the final call.

Tulare County lies within the San Joaquin Valley — a regional growing area with its own character.

Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals

Score your parcel · free

Tulare County holds more than one microclimate.

Soils and elevations shift across Tulare County, so your frost dates and drainage aren't the county average. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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Quick Facts

USDA Zones

9a

Last Hard Freeze (28°F)

Feb 19

County normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Dec 5

County normal — light frosts arrive a few weeks earlier

County Area

3.1M acres

Hardiness Zone Range

9a9a
3a (Cold)13b (Hot)

Zone maps are averages across Tulare County. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil in Tulare County

Across Tulare County, the ground is predominantly Inceptisols, where Cieneba, Auberry, and Exeter are the most extensive named soil series. The soil is generally well drained with a sandy loam surface. Topsoil pH runs about 6.1–7.3, neutral. Rainfall drains through hydrologic group D soils.

Soil order

Inceptisols

Drainage

Well drained

Hydric soils

4%

Soil still varies lot by lot — soil types explained.

Is it too late to plant in Tulare County?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 5 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.

Growing Challenges in California

What an experienced grower plans around here — each one has a move.

Drought is a persistent challenge — irrigation is essential in most regions

Design the water system before the plants: drip lines plus a thick mulch layer run a full garden on surprisingly little water.

Wildfire risk affects rural and foothill properties

Keep plantings low, lean, and well-watered near structures — your extension office publishes firewise landscaping guides for your county.

Adobe clay soils in valleys drain poorly without amendment

Work in compost over seasons, or skip the fight with a raised bed — adobe's nutrients are excellent once drainage is solved.

Wide climate variation means plant selection is highly location-specific

Zones run 5a to 11a in one state — check your exact zone before trusting any statewide planting list.

For cultivar selection, pest pressure, and planting-time guidance specific to California, the UC Agriculture and Natural Resources is the authoritative local source.

Safe to Grow Here?

What the federal record shows across Tulare County — and how to grow with it.

Federal record: High

We checked the federal record across Tulare County3,260 documented sites across 7 of the 9 source types we track.

The most significant on record: 10 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

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

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

3,260

across Tulare County

Risk Level

High

Highest-severity

10 Superfund sites

Severity Distribution

across Tulare County

High57Moderate1,135Low2,068

Highest-Severity Sites

Arsenic and Soda Springs
Mining Sites · Occurrence
Arsenic and Soda Springs
Mining Sites · Unknown
Beckman Instruments (Porterville Plant)
Superfund · Superfund NPL
Cedar Hill
Mining Sites · Past Producer
Cedar Hill
Mining Sites · Past Producer

A note from Gnorman

What an experienced grower watches for around here

In and around Tulare County, Brownfields runs higher than the national average — 2,055 sites nearby. That's not a problem with your land — it's information about it.

Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.

Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.

Free Report

Check your specific parcel in Tulare County

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Tulare County Average

  • USDA Zones 9a
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your parcel in Tulare County

Pull a site-specific report for your exact address in Tulare County, California — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Tulare County, California

  • USDA Hardiness Zones: 9a (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Feb 19 (county normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Dec 5 (county normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~289 (county normal, NOAA 1991–2020 Climate Normals)
  • County Land Area: 3.1M acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. County boundaries: US Census TIGER/Line 2025.

Frost dates here are the Tulare County average. Low spots and tree cover move them by days on any one yard — see your exact frost windows.

Frequently Asked Questions

What hardiness zone is Tulare County, California?

Tulare County sits in USDA hardiness zone 9a, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

Is it too late to plant in Tulare County?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 5 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.

When does frost risk typically end in Tulare County?

The last hard freeze (28°F) in Tulare County typically lands around Feb 19, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.

How long is the growing season in Tulare County?

Measured between 28°F hard freezes, Tulare County sees about 289 frost-free days — roughly Feb 19 through Dec 5, per NOAA 1991–2020 climate normals. Tender crops get a somewhat shorter practical window, since lighter frosts reach a few weeks past the hard-freeze dates on both ends.

What vegetables grow in Tulare County?

Tulare County's zone 9a supports a wide range — strong performers include Avocado, Meyer Lemon, Tomato, Grape, and Fig. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Tulare County, really?

Officially, Tulare County sits in USDA zone 9a (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Tulare County?

The federal record around Tulare County runs heavier than most — 3,260 documented sites — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.

Just moved to Tulare County — what should I know before planting?

Start with three facts. Tulare County sits in USDA zone 9a, which sets what survives winter; the last 28°F hard freeze typically clears around Feb 19, with about 289 frost-free days to work with (NOAA 1991–2020 climate normals); and 3,260 documented sites sit on the federal record here, so a soil test before food beds is the smart first step. From there, matching plants to your actual soil and sun is the fun part.

Everything on this page is a Tulare County average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.