Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 30, 2026

Planting zone for 95954 — Magalia, CA

ZIP code 95954 (Magalia, Butte County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is April 17 and the first fall frost November 11.

Where ZIP 95954 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.

Zone8b15 to 20 °F

Coldest night−9.4 to −6.7 °C

Last frostApr 17

First frostNov 11

2012 zone9a

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

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Magalia, 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 Magalia, CA

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 17median — 50% chance of a later frost

Safe for tender plantsMay 11only 10% chance of frost after

First fall frostNovember 11median — 10% chance by Oct 21

Growing season206 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 20 and returns around November 27.

From the NOAA station De Sabla, CA — 2 miles away, elevation 2,710 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 95954

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 6 – Mar 20

SpinachSow outdoors · Mar 6 – Mar 27

Broccoli, cabbageStart indoors · Feb 6 – Feb 20

Broccoli, cabbageTransplant · Mar 27 – Apr 10

Onion setsPlant outdoors · Mar 20 – Apr 3

PotatoesPlant outdoors · Mar 27 – Apr 10

LettuceSow outdoors · Mar 20 – Apr 3

Carrots, beetsSow outdoors · Mar 27 – Apr 10

TomatoesStart indoors · Feb 20 – Mar 6

TomatoesTransplant · Apr 24 – May 8

Peppers, eggplantStart indoors · Feb 6 – Feb 20

Peppers, eggplantTransplant · May 1 – May 15

BeansSow outdoors · Apr 24 – May 8

Sweet cornSow outdoors · Apr 24 – May 8

Cucumbers, squashSow outdoors · Apr 24 – May 8

Fall lettuce, spinachSow outdoors · Sep 16 – Sep 30

GarlicPlant cloves · Oct 28 – Dec 2

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 17) and first fall frost (Nov 11) 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 95954 came on Jan 25 — 15 days earlier than the 1991–2020 average (Feb 9).

average
Feb 92026
Jan 25

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 Magalia, CA

The center of ZIP 95954 is mapped as Water: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 95954; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Magalia, CA

Summer high91 °Faverage high, July

Winter low34 °Faverage low, December

Hot days65days a year at 90 °F or more

Freezing nights63nights a year at 32 °F or less

Growing degree days3,588base 50 °F — the season’s usable heat

Longest day15 h 00 mindaylight on June 21

Shortest day9 h 20 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation66 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: De Sabla, CA (2 mi away); precipitation: De Sabla, CA (2 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.

959788b

Stirling City, CA · 5 mi

959429a

Forest Ranch, CA · 6 mi

California planting zones →

Questions about 95954

What planting zone is ZIP code 95954?

ZIP code 95954 (Magalia, CA) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Magalia, CA?

The median last spring frost (32 °F) near 95954 is April 17; after May 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, De Sabla station.

When is the first frost in Magalia, CA?

The median first fall frost near 95954 is November 11, giving a median frost-free growing season of 206 days.

When should I plant tomatoes in 95954?

Start tomato seeds indoors around Feb 20 – Mar 6 and set transplants outside around Apr 24 – May 8, one to three weeks after the median last frost.

How much rain and snow does 95954 get?

About 66 inches of precipitation a year (NOAA 1991–2020 normals, De Sabla station).

How hot do summers get in Magalia, CA?

The average high peaks at 91 °F in July, with about 65 days a year at 90 °F or more.

Did spring come early in Magalia, CA in 2026?

Spring leaf-out near 95954 came on Jan 25 in 2026, 15 days earlier than the 1991–2020 average (Feb 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Magalia, CA?

Intermediate onions: the longest day near 95954 is 15 h 00 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 95954 change?

Yes. The 2012 USDA map put 95954 in zone 9a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.