Bakersfield, CA Frost Dates

Average frost dates, USDA hardiness zone, and growing season length for Bakersfield, California.

USDA Zone 9A
Last Spring Frost February 15
First Fall Frost November 20
Growing Season 278 days

Gardening in Bakersfield

Bakersfield sits at the southern end of the Central Valley, surrounded by some of the most productive farmland on earth. Home gardeners inherit the same phenomenal growing conditions that make Kern County an agricultural titan.

Hot, dry, and sunny — Bakersfield's climate is Mediterranean turned up to 11. Summer temperatures routinely exceed 100°F for weeks. But the dry heat means minimal disease pressure, and the long growing season produces two distinct garden periods: the glorious cool season (October-April) and the survival hot season.

The Basque heritage that shaped Bakersfield's culture also shaped its food traditions — kitchen gardens growing peppers, tomatoes, and herbs for family meals are a deeply rooted tradition in east Bakersfield neighborhoods.

What This Means for Bakersfield Gardeners

The average last spring frost in Bakersfield is around February 15, and the average first fall frost arrives around November 20. That gives you approximately 278 frost-free days to work with.

278 days is a long, productive season that supports two full rounds of warm-season crops plus continuous cool-season production through your mild winter. Most frost-sensitive crops can be transplanted by February 15, giving them months to produce before fall. Your winter garden is the real advantage — growing fresh vegetables in December and January while northern gardeners browse seed catalogs.

These dates are based on NOAA 30-year Climate Normal data for the Bakersfield area. Your actual frost dates could shift 2-3 weeks in either direction in any given year. Learn more about our data sources.

What to Grow in Bakersfield

Bakersfield's 278-day growing season is generous — long enough for two full growing windows (spring and fall) with warm-season crops between them. You can grow the full range of vegetables, herbs, and flowers with proper timing. Focus on heat-tolerant varieties for midsummer and cool-season crops for extended fall harvests. Recommended starting points: tomatoes, peppers, beans, cucumbers, squash, garlic, kale, and sunflowers.

See the full California planting guide for all 40 plants: California Planting Calendar. Or enter your zip code for exact planting dates personalized to Bakersfield.

More About Zone 9A

Bakersfield is in USDA Hardiness Zone 9A, which means average annual extreme minimum temperatures between 20°F to 25°F. View the full Zone 9A planting guide.

See the complete planting calendar for California: California Planting Calendar.

Other Cities in California

Frequently Asked Questions

These dates are based on NOAA's 30-year Climate Normal data for the Bakersfield area. They represent historical averages, not predictions. In any given year, the actual last frost could be 2-3 weeks earlier or later. Microclimates within Bakersfield (urban heat islands, hilltops, low-lying valleys) can also shift your local frost dates by a week or more.

Cool-season crops go in 3-4 weeks before your last frost (February 15). Warm-season crops wait until 2 weeks after. You have time for a fall round too — plant cool-season crops again in late summer for harvest into autumn. Enter your zip code for exact dates.

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