Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for Woodland, CA

Woodland, CA is in USDA zone 9b across its 2 ZIP codes. The median last spring frost is February 7 and the first fall frost December 5.

Woodland on the zone map

Outlined: its 2 ZIP code areas · 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

ZIP codes2

Last frostFeb 7

First frostDec 5

Growing season301 days

9b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Woodland, 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 Woodland, CA

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostFebruary 7median — 50% chance of a later frost

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

First fall frostDecember 5median — 10% chance by Nov 19

Growing season301 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 10 and returns around December 18.

From the NOAA station Woodland 1 Wnw, CA, elevation 66 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 Woodland

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Dec 27 – Jan 10

SpinachSow outdoors · Dec 27 – Jan 17

Broccoli, cabbageStart indoors · Nov 29 – Dec 13

Broccoli, cabbageTransplant · Jan 17 – Jan 31

Onion setsPlant outdoors · Jan 10 – Jan 24

PotatoesPlant outdoors · Jan 17 – Jan 31

LettuceSow outdoors · Jan 10 – Jan 24

Carrots, beetsSow outdoors · Jan 17 – Jan 31

TomatoesStart indoors · Dec 13 – Dec 27

TomatoesTransplant · Feb 14 – Feb 28

Peppers, eggplantStart indoors · Nov 29 – Dec 13

Peppers, eggplantTransplant · Feb 21 – Mar 7

BeansSow outdoors · Feb 14 – Feb 28

Sweet cornSow outdoors · Feb 14 – Feb 28

Cucumbers, squashSow outdoors · Feb 14 – Feb 28

Fall lettuce, spinachSow outdoors · Oct 10 – Oct 24

GarlicPlant cloves · Nov 21 – Dec 26

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 7) and first fall frost (Dec 5) 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 95776 came on Jan 31 — about the same time as the 1991–2020 average (Jan 31).

average
Jan 312026
Jan 31

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 Woodland, CA

The soil mapped at the center of ZIP 95776 is Laugenour — very fine sandy loam, poorly drained.

TextureVery fine sandy loamdrains and warms fast; dries out and needs more feeding

pH7.5slightly alkaline; most vegetables like 6.0–7.0

DrainagePoorly drainedconsider raised beds

Organic matter0.75%low — add compost

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Laugenour very fine sandy loam, deep, flooded.

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 95776; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Woodland, CA

Summer high95 °Faverage high, July

Winter low38 °Faverage low, January

Hot days96days a year at 90 °F or more

Freezing nights9nights a year at 32 °F or less

Growing degree days4,768base 50 °F — the season’s usable heat

Longest day14 h 53 mindaylight on June 21

Shortest day9 h 27 mindaylight on December 21

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

Precipitation19 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: Woodland 1 Wnw, CA (5 mi away); precipitation: Woodland 2.8 Se, CA (4 mi away). Daylight is calculated from latitude.

ZIP codes in Woodland

California planting zones →

Questions about Woodland

What planting zone is Woodland, CA?

Woodland, CA is in USDA hardiness zone 9b on the 2023 map (9b: 25 to 30 °F).

When is the last frost in Woodland, CA?

The median last spring frost is February 7 and the median first fall frost is December 5 (NOAA 1991–2020 normals, Woodland 1 Wnw station).

When can I plant a garden in Woodland, CA?

Cool-season crops like peas and spinach go in around Dec 27 – Jan 17; tomatoes, peppers, beans and squash after about Feb 14, once frost risk has passed.

What kind of onions grow in Woodland, CA?

Intermediate onions: the longest day is 14 h 53 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Woodland, CA get?

About 19 inches of precipitation a year (NOAA 1991–2020 normals).