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

Planting zone for 96088 — Shingletown, CA

ZIP code 96088 (Shingletown, Shasta County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is June 9 and the first fall frost September 21.

Where ZIP 96088 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostJun 9
First frostSep 21
2012 zone8b

Was 8b on the 2012 map — a full zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Shingletown, 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 Shingletown, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 9median — 50% chance of a later frost
Safe for tender plantsJune 27only 10% chance of frost after
First fall frostSeptember 21median — 10% chance by Sep 1
Growing season102 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 22 and returns around October 11.

From the NOAA station Manzanita Lake, CA — 16 miles away, elevation 5,752 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 96088

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 28 – May 12
SpinachSow outdoors · Apr 28 – May 19
Broccoli, cabbageStart indoors · Mar 31 – Apr 14
Broccoli, cabbageTransplant · May 19 – Jun 2
Onion setsPlant outdoors · May 12 – May 26
PotatoesPlant outdoors · May 19 – Jun 2
LettuceSow outdoors · May 12 – May 26
Carrots, beetsSow outdoors · May 19 – Jun 2
TomatoesStart indoors · Apr 14 – Apr 28
TomatoesTransplant · Jun 16 – Jun 30
Peppers, eggplantStart indoors · Mar 31 – Apr 14
Peppers, eggplantTransplant · Jun 23 – Jul 7
BeansSow outdoors · Jun 16 – Jun 30
Sweet cornSow outdoors · Jun 16 – Jun 30
Cucumbers, squashSow outdoors · Jun 16 – Jun 30
Fall lettuce, spinachSow outdoors · Jul 27 – Aug 10
GarlicPlant cloves · Sep 7 – Oct 12
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 9) and first fall frost (Sep 21) 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 96088 came on Feb 4 — 17 days earlier than the 1991–2020 average (Feb 21).

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 Shingletown, CA

The soil mapped at the center of ZIP 96088 is Cohasset — loam, well drained.

TextureLoama good balance for most vegetables
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter6%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Cohasset loam, 0 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 96088; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Shingletown, CA

Summer high79 °Faverage high, July
Winter low22 °Faverage low, January
Hot days4days a year at 90 °F or more
Freezing nights195nights a year at 32 °F or less
Growing degree days1,295base 50 °F — the season’s usable heat
Longest day15 h 04 mindaylight on June 21
Shortest day9 h 16 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation35.5 inper year, rain and melted snow
Snowfall4 inper year; 2 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 41 °F, low 22 °F 41°22° JanFebruary: average high 42 °F, low 22 °F 42°22° FebMarch: average high 46 °F, low 24 °F 46°24° MarApril: average high 50 °F, low 28 °F 50°28° AprMay: average high 61 °F, low 35 °F 61°35° MayJune: average high 70 °F, low 41 °F 70°41° JunJuly: average high 79 °F, low 46 °F 79°46° JulAugust: average high 78 °F, low 45 °F 78°45° AugSeptember: average high 72 °F, low 41 °F 72°41° SepOctober: average high 59 °F, low 33 °F 59°33° OctNovember: average high 47 °F, low 26 °F 47°26° NovDecember: average high 40 °F, low 22 °F 40°22° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 5.56 in precipitation, 1.4 in snowfall 5.6❄1 JanFebruary: 5.21 in precipitation, 1 in snowfall 5.2❄1 FebMarch: 4.49 in precipitation, 0.4 in snowfall 4.5 MarApril: 3.49 in precipitation, 0.3 in snowfall 3.5 AprMay: 2.46 in precipitation 2.5 MayJune: 1.17 in precipitation 1.2 JunJuly: 0.09 in precipitation 0.1 JulAugust: 0.12 in precipitation 0.1 AugSeptember: 0.53 in precipitation 0.5 SepOctober: 2.15 in precipitation 2.1 OctNovember: 3.72 in precipitation, 0.3 in snowfall 3.7 NovDecember: 6.48 in precipitation, 0.5 in snowfall 6.5❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Manzanita Lake, CA (16 mi away); precipitation: Volta Ph, CA (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

960599a
Manton, CA · 6 mi
960969a
Whitmore, CA · 9 mi
960759b
Paynes Creek, CA · 10 mi
960629a
Millville, CA · 12 mi
960699a
Oak Run, CA · 14 mi
960637b
Mineral, CA · 17 mi
960739a
Palo Cedro, CA · 18 mi
960089b
Bella Vista, CA · 19 mi

California planting zones →

Questions about 96088

What planting zone is ZIP code 96088?

ZIP code 96088 (Shingletown, CA) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Shingletown, CA?

The median last spring frost (32 °F) near 96088 is June 9; after June 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Manzanita Lake station.

When is the first frost in Shingletown, CA?

The median first fall frost near 96088 is September 21, giving a median frost-free growing season of 102 days.

When should I plant tomatoes in 96088?

Start tomato seeds indoors around Apr 14 – Apr 28 and set transplants outside around Jun 16 – Jun 30, one to three weeks after the median last frost.

How much rain and snow does 96088 get?

About 35.5 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Volta Ph station).

How hot do summers get in Shingletown, CA?

The average high peaks at 79 °F in July, with about 4 days a year at 90 °F or more.

What kind of soil does 96088 have?

The USDA soil survey maps Cohasset at the center of ZIP 96088: loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Shingletown, CA in 2026?

Spring leaf-out near 96088 came on Feb 4 in 2026, 17 days earlier than the 1991–2020 average (Feb 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Shingletown, CA?

Long-day onions: the longest day near 96088 is 15 h 04 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 96088 change?

Yes. The 2012 USDA map put 96088 in zone 8b; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.