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

Planting zone for 95935 — Dobbins, CA

ZIP code 95935 (Dobbins, Yuba County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is April 1 and the first fall frost November 17.

Where ZIP 95935 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 frostApr 1
First frostNov 17
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 Dobbins, 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 Dobbins, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 1median — 50% chance of a later frost
Safe for tender plantsApril 22only 10% chance of frost after
First fall frostNovember 17median — 10% chance by Oct 31
Growing season229 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 27 and returns around December 1.

From the NOAA station Dobbins 1 S, CA — 2 miles away, elevation 1,641 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 95935

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 18 – Mar 4
SpinachSow outdoors · Feb 18 – Mar 11
Broccoli, cabbageStart indoors · Jan 21 – Feb 4
Broccoli, cabbageTransplant · Mar 11 – Mar 25
Onion setsPlant outdoors · Mar 4 – Mar 18
PotatoesPlant outdoors · Mar 11 – Mar 25
LettuceSow outdoors · Mar 4 – Mar 18
Carrots, beetsSow outdoors · Mar 11 – Mar 25
TomatoesStart indoors · Feb 4 – Feb 18
TomatoesTransplant · Apr 8 – Apr 22
Peppers, eggplantStart indoors · Jan 21 – Feb 4
Peppers, eggplantTransplant · Apr 15 – Apr 29
BeansSow outdoors · Apr 8 – Apr 22
Sweet cornSow outdoors · Apr 8 – Apr 22
Cucumbers, squashSow outdoors · Apr 8 – Apr 22
Fall lettuce, spinachSow outdoors · Sep 22 – Oct 6
GarlicPlant cloves · Nov 3 – Dec 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 1) and first fall frost (Nov 17) 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 95935 came on Jan 25 — 10 days earlier than the 1991–2020 average (Feb 4).

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 Dobbins, CA

The soil mapped at the center of ZIP 95935 is Surnuf — cobbly loam, well drained.

TextureCobbly loama good balance for most vegetables
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: Surnuf cobbly loam, 30 to 50 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 95935; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Dobbins, CA

Summer high94 °Faverage high, July
Winter low34 °Faverage low, January
Hot days79days a year at 90 °F or more
Freezing nights58nights a year at 32 °F or less
Growing degree days3,806base 50 °F — the season’s usable heat
Longest day14 h 57 mindaylight on June 21
Shortest day9 h 23 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation46.3 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 57 °F, low 34 °F 57°34° JanFebruary: average high 59 °F, low 35 °F 59°35° FebMarch: average high 64 °F, low 38 °F 64°38° MarApril: average high 68 °F, low 40 °F 68°40° AprMay: average high 76 °F, low 47 °F 76°47° MayJune: average high 86 °F, low 52 °F 86°52° JunJuly: average high 94 °F, low 57 °F 94°57° JulAugust: average high 94 °F, low 55 °F 94°55° AugSeptember: average high 89 °F, low 51 °F 89°51° SepOctober: average high 78 °F, low 45 °F 78°45° OctNovember: average high 64 °F, low 38 °F 64°38° NovDecember: average high 56 °F, low 34 °F 56°34° Dec

Precipitation by month inches

0″2″4″6″8″January: 7.71 in precipitation 7.7 JanFebruary: 7.18 in precipitation 7.2 FebMarch: 7.82 in precipitation 7.8 MarApril: 3.22 in precipitation 3.2 AprMay: 2.38 in precipitation 2.4 MayJune: 0.73 in precipitation 0.7 JunJuly: 0.01 in precipitation 0.0 JulAugust: 0.11 in precipitation 0.1 AugSeptember: 0.38 in precipitation 0.4 SepOctober: 2.65 in precipitation 2.6 OctNovember: 5.28 in precipitation 5.3 NovDecember: 8.86 in precipitation 8.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Dobbins 1 S, CA (2 mi away); precipitation: Dobbins 1 S, CA (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

959199a
Brownsville, CA · 5 mi
959629b
Oregon House, CA · 6 mi
959259a
Challenge, CA · 7 mi
959729b
Rackerby, CA · 8 mi
959229a
Camptonville, CA · 9 mi
959189b
Browns Valley, CA · 9 mi
959149b
Bangor, CA · 10 mi
959609a
North San Juan, CA · 10 mi

California planting zones →

Questions about 95935

What planting zone is ZIP code 95935?

ZIP code 95935 (Dobbins, 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 Dobbins, CA?

The median last spring frost (32 °F) near 95935 is April 1; after April 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Dobbins 1 S station.

When is the first frost in Dobbins, CA?

The median first fall frost near 95935 is November 17, giving a median frost-free growing season of 229 days.

When should I plant tomatoes in 95935?

Start tomato seeds indoors around Feb 4 – Feb 18 and set transplants outside around Apr 8 – Apr 22, one to three weeks after the median last frost.

How much rain and snow does 95935 get?

About 46.3 inches of precipitation a year (NOAA 1991–2020 normals, Dobbins 1 S station).

How hot do summers get in Dobbins, CA?

The average high peaks at 94 °F in July, with about 79 days a year at 90 °F or more.

What kind of soil does 95935 have?

The USDA soil survey maps Surnuf at the center of ZIP 95935: cobbly loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Dobbins, CA in 2026?

Spring leaf-out near 95935 came on Jan 25 in 2026, 10 days earlier than the 1991–2020 average (Feb 4), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Dobbins, CA?

Intermediate onions: the longest day near 95935 is 14 h 57 min, so day-neutral types bulb best; long-day varieties may not bulb fully.