Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 93667 — Tollhouse, CA

ZIP code 93667 (Tollhouse, Fresno County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is February 23 and the first fall frost December 12.

Where ZIP 93667 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostFeb 23
First frostDec 12
2012 zone9a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Tollhouse, CA…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Tollhouse, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 23median — 50% chance of a later frost
Safe for tender plantsApril 4only 10% chance of frost after
First fall frostDecember 12median — 10% chance by Nov 25
Growing season294 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 21 and returns around December 27.

From the NOAA station Balch Pwr House, CA — 13 miles away, elevation 1,736 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 93667

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 12 – Jan 26
SpinachSow outdoors · Jan 12 – Feb 2
Broccoli, cabbageStart indoors · Dec 15 – Dec 29
Broccoli, cabbageTransplant · Feb 2 – Feb 16
Onion setsPlant outdoors · Jan 26 – Feb 9
PotatoesPlant outdoors · Feb 2 – Feb 16
LettuceSow outdoors · Jan 26 – Feb 9
Carrots, beetsSow outdoors · Feb 2 – Feb 16
TomatoesStart indoors · Dec 29 – Jan 12
TomatoesTransplant · Mar 2 – Mar 16
Peppers, eggplantStart indoors · Dec 15 – Dec 29
Peppers, eggplantTransplant · Mar 9 – Mar 23
BeansSow outdoors · Mar 2 – Mar 16
Sweet cornSow outdoors · Mar 2 – Mar 16
Cucumbers, squashSow outdoors · Mar 2 – Mar 16
Fall lettuce, spinachSow outdoors · Oct 17 – Oct 31
GarlicPlant cloves · Nov 28 – Jan 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 23) and first fall frost (Dec 12) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 93667 came on Jan 28 — 5 days earlier than the 1991–2020 average (Feb 2).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Tollhouse, CA

The soil mapped at the center of ZIP 93667 is Auberry — coarse sandy loam, well drained.

TextureCoarse sandy loamdrains and warms fast; dries out and needs more feeding
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Auberry very rocky coarse sandy loam, 3 to 30 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 93667; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Tollhouse, CA

Summer high93 °Faverage high, July
Winter low38 °Faverage low, December
Hot days90days a year at 90 °F or more
Freezing nights15nights a year at 32 °F or less
Growing degree days4,923base 50 °F — the season’s usable heat
Longest day14 h 42 mindaylight on June 21
Shortest day9 h 37 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation19.6 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 52 °F, low 39 °F 52°39° JanFebruary: average high 56 °F, low 40 °F 56°40° FebMarch: average high 63 °F, low 43 °F 63°43° MarApril: average high 68 °F, low 47 °F 68°47° AprMay: average high 77 °F, low 54 °F 77°54° MayJune: average high 85 °F, low 61 °F 85°61° JunJuly: average high 93 °F, low 69 °F 93°69° JulAugust: average high 93 °F, low 69 °F 93°69° AugSeptember: average high 88 °F, low 64 °F 88°64° SepOctober: average high 77 °F, low 54 °F 77°54° OctNovember: average high 60 °F, low 45 °F 60°45° NovDecember: average high 51 °F, low 38 °F 51°38° Dec

Precipitation by month inches

0″1″2″3″4″January: 3.90 in precipitation 3.9 JanFebruary: 3.54 in precipitation 3.5 FebMarch: 3.44 in precipitation 3.4 MarApril: 1.63 in precipitation 1.6 AprMay: 0.84 in precipitation 0.8 MayJune: 0.29 in precipitation 0.3 JunJuly: 0.03 in precipitation 0.0 JulAugust: 0.00 in precipitation 0.0 AugSeptember: 0.13 in precipitation 0.1 SepOctober: 0.99 in precipitation 1.0 OctNovember: 1.43 in precipitation 1.4 NovDecember: 3.34 in precipitation 3.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Balch Pwr House, CA (13 mi away); precipitation: Pine Flat Dam, CA (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

936029a
Auberry, CA · 8 mi
936499b
Piedra, CA · 9 mi
936648a
Shaver Lake, CA · 9 mi
936519a
Prather, CA · 11 mi
936579b
Sanger, CA · 13 mi
936057b
Big Creek, CA · 15 mi
936199b
Clovis, CA · 16 mi
936759a
Yokuts, CA · 18 mi

California planting zones →

Questions about 93667

What planting zone is ZIP code 93667?

ZIP code 93667 (Tollhouse, CA) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Tollhouse, CA?

The median last spring frost (32 °F) near 93667 is February 23; after April 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Balch Pwr House station.

When is the first frost in Tollhouse, CA?

The median first fall frost near 93667 is December 12, giving a median frost-free growing season of 294 days.

When should I plant tomatoes in 93667?

Start tomato seeds indoors around Dec 29 – Jan 12 and set transplants outside around Mar 2 – Mar 16, one to three weeks after the median last frost.

How much rain and snow does 93667 get?

About 19.6 inches of precipitation a year (NOAA 1991–2020 normals, Pine Flat Dam station).

How hot do summers get in Tollhouse, CA?

The average high peaks at 93 °F in July, with about 90 days a year at 90 °F or more.

What kind of soil does 93667 have?

The USDA soil survey maps Auberry at the center of ZIP 93667: coarse sandy loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Tollhouse, CA in 2026?

Spring leaf-out near 93667 came on Jan 28 in 2026, 5 days earlier than the 1991–2020 average (Feb 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Tollhouse, CA?

Intermediate onions: the longest day near 93667 is 14 h 42 min, so day-neutral types bulb best; long-day varieties may not bulb fully.