Oildale, CA planting zone & frost dates

Oildale is in USDA hardiness zone 9b. The last spring frost usually comes around January 31 and the first fall frost around December 8, for a growing season of about 312 days.

USDA hardiness zone9bavg. extreme winter low 25°F to 30°F

Average last spring frostJanuary 3190% chance of no frost after February 27

Average first fall frostDecember 810% chance of frost by November 23

Growing season312 daysfrost-free days in an average year

Planting calendar for Oildale

Dates are counted from the average last spring frost (January 31) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

Crop	When
Tomatoes	Start seeds indoors: Dec 6 – Dec 20 Transplant outdoors: Feb 7 – Feb 14
Peppers	Start seeds indoors: Nov 22 – Dec 6 Transplant outdoors: Feb 14 – Feb 21
Eggplant	Start seeds indoors: Nov 22 – Dec 6 Transplant outdoors: Feb 14 – Feb 21
Broccoli	Start seeds indoors: Nov 22 – Dec 6 Transplant outdoors: Jan 3 – Jan 17
Cabbage	Start seeds indoors: Nov 22 – Dec 6 Transplant outdoors: Jan 3 – Jan 17
Onions (sets)	Plant outdoors: Jan 3 – Jan 17
Peas	Sow outdoors: Dec 20 – Jan 3
Spinach	Sow outdoors: Dec 20 – Jan 3
Lettuce	Sow outdoors: Jan 3 – Jan 17
Carrots	Sow outdoors: Jan 3 – Jan 17
Potatoes	Plant outdoors: Jan 3 – Jan 17
Beans	Sow outdoors: Feb 7 – Feb 14
Sweet corn	Sow outdoors: Feb 7 – Feb 14
Cucumbers	Sow outdoors: Feb 7 – Feb 14
Squash & zucchini	Sow outdoors: Feb 7 – Feb 14
Basil	Start seeds indoors: Dec 20 – Jan 3 Transplant outdoors: Feb 7 – Feb 14

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 13 (8 weeks before the average first fall frost on Dec 8).

Frost risk in detail

	90% chance	50% chance	10% chance
Last 32°F frost in spring is after	Dec 31	Jan 31	Feb 27
First 32°F frost in fall is before	Jan 1	Dec 8	Nov 23

How to read it: in spring there is a 10% chance of a frost after February 27, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 23. A hard freeze (28°F) usually ends around January 3.

Nearby cities

Bakersfield zone 9b, last frost Jan 31
Rosedale zone 9b, last frost Jan 31
Lamont zone 9b, last frost Jan 31
Shafter zone 9a, last frost Feb 20
Arvin zone 9b, last frost Jan 31
McFarland zone 9b, last frost Jan 31
Wasco zone 9a, last frost Jan 31
Delano zone 9b, last frost Jan 31

All cities in California → · Other zone 9b cities →

Questions

What growing zone is Oildale, CA?

Oildale is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map.

When is the last frost in Oildale?

The average last spring frost (32°F) in Oildale is January 31. There is still a 10% chance of frost until February 27.

When can I plant tomatoes in Oildale?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Feb 7 – Feb 14. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Bakersfield 5 Nw, CA (USC00040444), 2.8 km (1.7 mi) from the city center, elevation 143 m, based on 14 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.