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

Planting zone for Lodi, CA

Lodi, CA is in USDA zones 9a to 9b across its 3 ZIP codes. The median last spring frost is February 9 and the first fall frost December 5.

Lodi 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.

Zones9a–9b20 to 30 °F
ZIP codes3
Last frostFeb 9
First frostDec 5
Growing season301 days

9a 1 ZIP   9b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Lodi, 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 Lodi, CA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 9median — 50% chance of a later frost
Safe for tender plantsMarch 7only 10% chance of frost after
First fall frostDecember 5median — 10% chance by Nov 17
Growing season301 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 12 and returns around December 20.

From the NOAA station Lodi, CA, elevation 39 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 Lodi

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 29 – Jan 12
SpinachSow outdoors · Dec 29 – Jan 19
Broccoli, cabbageStart indoors · Dec 1 – Dec 15
Broccoli, cabbageTransplant · Jan 19 – Feb 2
Onion setsPlant outdoors · Jan 12 – Jan 26
PotatoesPlant outdoors · Jan 19 – Feb 2
LettuceSow outdoors · Jan 12 – Jan 26
Carrots, beetsSow outdoors · Jan 19 – Feb 2
TomatoesStart indoors · Dec 15 – Dec 29
TomatoesTransplant · Feb 16 – Mar 2
Peppers, eggplantStart indoors · Dec 1 – Dec 15
Peppers, eggplantTransplant · Feb 23 – Mar 9
BeansSow outdoors · Feb 16 – Mar 2
Sweet cornSow outdoors · Feb 16 – Mar 2
Cucumbers, squashSow outdoors · Feb 16 – Mar 2
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 9) 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 95241 came on Jan 31 — about the same time as the 1991–2020 average (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 Lodi, CA

The center of ZIP 95241 is mapped as Urban land: 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 95241; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lodi, CA

Summer high92 °Faverage high, July
Winter low39 °Faverage low, December
Hot days78days a year at 90 °F or more
Freezing nights20nights a year at 32 °F or less
Growing degree days4,747base 50 °F — the season’s usable heat
Longest day14 h 49 mindaylight on June 21
Shortest day9 h 31 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation18.4 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 57 °F, low 40 °F 57°40° JanFebruary: average high 63 °F, low 42 °F 63°42° FebMarch: average high 69 °F, low 45 °F 69°45° MarApril: average high 74 °F, low 47 °F 74°47° AprMay: average high 81 °F, low 52 °F 81°52° MayJune: average high 88 °F, low 57 °F 88°57° JunJuly: average high 92 °F, low 59 °F 92°59° JulAugust: average high 92 °F, low 58 °F 92°58° AugSeptember: average high 89 °F, low 56 °F 89°56° SepOctober: average high 79 °F, low 50 °F 79°50° OctNovember: average high 65 °F, low 43 °F 65°43° NovDecember: average high 57 °F, low 39 °F 57°39° Dec

Precipitation by month inches

0″1″2″3″4″January: 3.93 in precipitation 3.9 JanFebruary: 3.43 in precipitation 3.4 FebMarch: 2.74 in precipitation 2.7 MarApril: 1.39 in precipitation 1.4 AprMay: 0.71 in precipitation 0.7 MayJune: 0.21 in precipitation 0.2 JunJuly: 0.00 in precipitation 0.0 JulAugust: 0.02 in precipitation 0.0 AugSeptember: 0.11 in precipitation 0.1 SepOctober: 0.83 in precipitation 0.8 OctNovember: 1.71 in precipitation 1.7 NovDecember: 3.32 in precipitation 3.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lodi, CA (2 mi away); precipitation: Lodi 1.0 Nnw, CA (2 mi away). Daylight is calculated from latitude.

ZIP codes in Lodi

952409b
25 to 30 °F
952419a
20 to 25 °F
952429b
25 to 30 °F

California planting zones →

Questions about Lodi

What planting zone is Lodi, CA?

Lodi, CA is in USDA hardiness zones 9a to 9b on the 2023 map (9a: 20 to 25 °F; 9b: 25 to 30 °F).

When is the last frost in Lodi, CA?

The median last spring frost is February 9 and the median first fall frost is December 5 (NOAA 1991–2020 normals, Lodi station).

When can I plant a garden in Lodi, CA?

Cool-season crops like peas and spinach go in around Dec 29 – Jan 19; tomatoes, peppers, beans and squash after about Feb 16, once frost risk has passed.

What kind of onions grow in Lodi, CA?

Intermediate onions: the longest day is 14 h 49 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Lodi, CA get?

About 18.4 inches of precipitation a year (NOAA 1991–2020 normals).