LawnWeather

Stockton, CA Planting Calendar

The last spring frost in Stockton usually comes around Feb 13 and the first fall frost around Dec 7, a growing season of about 297 days. Start tomatoes indoors Jan 2 – Jan 16 and plant them outside Feb 27 – Mar 13.

Last spring frostFeb 13
First fall frostDec 7
Growing season297 days

When to plant vegetables in Stockton

VegetableStart seeds indoorsPlant outsideFall crop
TomatoesJan 2 – Jan 16Feb 27 – Mar 13—
PeppersDec 26 – Jan 9Mar 6 – Mar 20—
EggplantDec 26 – Jan 9Mar 6 – Mar 20—
Cucumbers—Feb 27 – Mar 13—
Zucchini & summer squash—Feb 27 – Mar 13—
Pumpkins & winter squash—Mar 6 – Mar 20—
Green beans—Feb 27 – Mar 13Sep 14 – Sep 28
Sweet corn—Feb 27 – Mar 13—
BasilJan 16 – Jan 30Feb 27 – Mar 13—
LettuceDec 19 – Jan 2Jan 16 – Feb 27Oct 12 – Oct 26
Spinach—Jan 2 – Jan 23Oct 12 – Oct 26
Peas—Jan 2 – Jan 23Sep 28 – Oct 12
Carrots—Jan 16 – Feb 20Sep 14 – Sep 28
Radishes—Jan 9 – Feb 27Oct 26 – Nov 9
BroccoliDec 5 – Dec 19Jan 16 – Jan 30Sep 14 – Sep 28
KaleDec 19 – Jan 2Jan 9 – Jan 23Sep 28 – Oct 12
Onions—Jan 16 – Jan 30—
Potatoes—Jan 23 – Feb 20—
Garlic——Nov 23 – Dec 28

Dates count from the median frost dates (2016–2025) for Stockton. In a cold spring, wait a week; in a warm one you can go a week early.

Month-by-month planting in Stockton

  1. JanuaryStart indoors: Tomatoes, Peppers, Eggplant, Basil, Lettuce, KalePlant outside: Lettuce, Spinach, Peas, Carrots, Radishes, Broccoli, Kale, Onions, Potatoes
  2. FebruaryPlant outside: Tomatoes, Cucumbers, Zucchini & summer squash, Green beans, Sweet corn, Basil, Lettuce, Carrots, Radishes, Potatoes
  3. MarchPlant outside: Tomatoes, Peppers, Eggplant, Cucumbers, Zucchini & summer squash, Pumpkins & winter squash, Green beans, Sweet corn, Basil
  4. AprilPlan, order seeds and prepare beds.
  5. MayPlan, order seeds and prepare beds.
  6. JunePlan, order seeds and prepare beds.
  7. JulyPlan, order seeds and prepare beds.
  8. AugustPlan, order seeds and prepare beds.
  9. SeptemberPlant outside: Green beans, Peas, Carrots, Broccoli, Kale
  10. OctoberPlant outside: Lettuce, Spinach, Peas, Radishes, Kale
  11. NovemberPlant outside: Radishes, Garlic
  12. DecemberStart indoors: Peppers, Eggplant, Lettuce, Broccoli, KalePlant outside: Garlic

Tools for this season

Seed starting kitTrays with humidity domes for starting seeds indoors.See options on AmazonLED grow lightKeeps indoor seedlings short and sturdy.See options on AmazonFrost clothCovers tender plants on a surprise frost night.See options on AmazonSoil thermometerCheck the soil at 4 inches before you spread anything.See options on Amazon

We may earn a commission when you buy through these links, at no extra cost to you. How this works

Frequently asked questions

When is the last frost in Stockton?

The median last spring frost is Feb 13 and the median first fall frost is Dec 7, based on 2016–2025 weather data.

When should I plant tomatoes in Stockton?

Start seeds indoors Jan 2 – Jan 16 and set plants outside Feb 27 – Mar 13, once nights stay above 50°F.

When should I plant a fall garden in Stockton?

Sow or transplant cool-season crops 6 to 12 weeks before the first fall frost (around Dec 7): broccoli and carrots first, lettuce, spinach and radishes last.

More from Stockton