When is the last frost in Lodi, CA?

The average last spring frost (50% probability of 32°F) in Lodi is around February 9, based on NOAA/NCEI 1991–2020 normals at the Lodi, CA station (5.7 mi away). Half of years it falls outside that date, so wait 1–2 weeks past it before setting out frost-tender plants.

When is the first fall frost in Lodi?

The average first fall frost in Lodi, CA is around December 5, giving roughly a 301-day frost-free growing season.

What planting zone is Lodi, CA?

Lodi is in USDA plant hardiness zone 9b (average annual extreme minimum temperature 25 to 30°F), from the 2023 USDA Plant Hardiness Zone Map.

What is the weather like in Lodi?

In Lodi, CA the warmest month is July (avg high 92.4°F) and the coldest is December (avg low 38.7°F). It averages about 18.4″ of precipitation a year.

Home › California › Lodi

Lodi, CA Planting Calendar & Frost Dates

USDA hardiness zone 9b · ZIP 95242 · elevation 12′ · NOAA & USDA data

Lodi is in USDA hardiness zone 9b (winters can dip to 25 to 30°F), with a growing season of about 301 days between the average last spring frost (February 9) and first fall frost (December 5). The warmest month is July (avg high 92.4°F); the coldest is December (avg low 38.7°F). It averages 18.4″ of precipitation a year. Start cool-season crops several weeks before the last frost; wait until after it for tomatoes, peppers and other tender crops.

Hardiness zone

min temp 25 to 30°F

Last spring frost

February 9

avg (50% prob, 32°F)

First fall frost

December 5

avg (50% prob, 32°F)

Growing season

301 days

frost-free window

Warmest month

July

avg high 92.4°F

Month-by-month typical weather in Lodi

Average conditions from the NOAA/NCEI 1991–2020 U.S. Climate Normals at Lodi, CA (5.7 mi away). Temperatures °F, precipitation & snow in inches.

Month	Avg high	Avg low	Mean	Precip (in)
January	56.7	39.6	48.1	3.5
February	62.7	41.6	52.1	3.4
March	68.7	44.8	56.7	2.5
April	74	47.3	60.7	1.5
May	81.3	52.3	66.8	0.7
June	88.3	56.7	72.5	0.2
July	92.4	59.1	75.7	0
August	91.9	58.2	75.1	0
September	88.6	56.1	72.4	0.1
October	79.3	50.4	64.8	0.9
November	65.3	43.4	54.3	1.8
December	56.6	38.7	47.6	3.6

What to plant when in Lodi

Crop	Season	What to do & when
Tomatoes	warm	Start seeds indoors: December 29 · Transplant out: February 16
Peppers	warm	Start seeds indoors: December 15 · Transplant out: February 23
Cucumbers	warm	Direct sow: February 16
Zucchini / squash	warm	Direct sow: February 16
Bush beans	warm	Direct sow: February 16
Sweet corn	warm	Direct sow: February 16
Basil	warm	Transplant out: February 16
Peas	cool	Sow (spring): January 5 · Sow (fall): October 10
Spinach	cool	Sow (spring): December 29 · Sow (fall): October 10
Lettuce	cool	Sow (spring): January 12 · Sow (fall): October 10
Kale	cool	Transplant (spring): January 19 · Sow (fall): September 26
Broccoli	cool	Transplant (spring): January 26
Carrots	cool	Sow (spring): January 19 · Sow (fall): September 26
Onions	cool	Transplant (spring): January 12
Potatoes	cool	Plant seed potatoes: January 26
Radishes	cool	Sow (spring): January 12 · Sow (fall): October 24

Dates are computed from Lodi's average frost dates using standard cool-/warm-season timing. They're a starting point — a cold spring, a warm microclimate, or a fast-maturing variety can shift them by a week or two.

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Gear that helps you plant on time

Some links below are Amazon affiliate links (tag theboringthin-20). If you buy through them we may earn a small commission at no extra cost to you — it keeps this almanac free. We only list generic, genuinely-useful categories.

Soil thermometer →Know when the ground is warm enough to sow — the honest signal, not the calendar.Seed-starting trays + dome →Start tomatoes & peppers indoors on the schedule below.Seedling heat mat →Warms the soil for faster, more even germination indoors.Floating row cover / frost cloth →Buys you 4–8°F to beat an early or late frost.Raised garden bed kit →Warms and drains faster in spring than in-ground soil.Garden gloves →Basic kit for transplant day.

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Sources & method. Hardiness zone: 2023 USDA Plant Hardiness Zone Map (PRISM Climate Group, Oregon State University). Frost dates & growing season: NOAA/NCEI 1991–2020 U.S. Climate Normals, nearest station with published freeze normals — Lodi, CA, 5.7 mi (confidence: high). Monthly weather normals: Lodi, CA, 5.7 mi (confidence: high). ZIP centroid from U.S. Census 2023 ZCTA data. Frost dates are the 50%-probability date — half of years frost occurs outside the stated date. Nothing here is invented; where the nearest station is far, we say so. Last updated 2026-07-22.