Davis 2 WSW Exp Farm, CA Frost Dates & Growing Season

The two dates every Davis 2 WSW Exp Farm garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Feb 10
~50% chance of frost after
First fall frost
Dec 1
~50% chance of frost before
Growing season
294 days
frost-free stretch
USDA zone
≈ 9b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Dec 31 Feb 10 Mar 11
First fall frost Dec 27 Dec 1 Nov 13
Hard freeze (28°F), median last Jan 6 · first Dec 18

Computed from NOAA 1991–2020 climate normals at the DAVIS 2 WSW EXP FARM station. "Safe" means frost past that date happens only about one year in ten. Your exact garden can still run days either way with elevation and terrain — check your own ZIP with the frost date lookup.

Planting windows for Davis 2 WSW Exp Farm

Computed from Davis 2 WSW Exp Farm's own frost dates. Click any crop for the full zone-9 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Dec 16 – Dec 30 Feb 17 – Feb 24
🫑 Peppers Dec 2 – Dec 16 Feb 24 – Mar 3
🥬 Lettuce Dec 30 – Jan 13 Jan 13 – Jan 27 Jan 13 – Feb 10
🫛 Peas Dec 30 – Jan 13
🥕 Carrots Jan 20 – Feb 10
🥦 Broccoli Dec 23 – Jan 6 Jan 20 – Feb 3
🥬 Kale Dec 30 – Jan 13 Jan 13 – Jan 27 Jan 13 – Jan 27
🥒 Cucumbers Jan 13 – Jan 20 Feb 17 – Feb 24 Feb 17 – Feb 24
🥒 Zucchini Jan 13 – Jan 20 Feb 17 – Feb 24 Feb 17 – Feb 24
🫘 Green Beans (Bush) Feb 17 – Feb 24
🌽 Sweet Corn Feb 17 – Feb 24
🌿 Basil Dec 30 – Jan 13 Feb 17 – Feb 24 Feb 24 – Mar 3
🧄 Garlic Fall: Oct 20 – Nov 17

Want this for all 50 crops, or as a printable seed-shelf schedule? Use the planting calendar and the seed starting scheduler — both can use Davis 2 WSW Exp Farm's dates automatically after a lookup.

Reading the season in Davis 2 WSW Exp Farm

With roughly 294 frost-free days, Davis 2 WSW Exp Farm gardens fit long-season crops — melons, winter squash, sweet potatoes — with room left for spring and fall rounds of greens and roots. The first frost around Dec 1 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Davis 2 WSW Exp Farm, CA?

The average last spring frost in Davis 2 WSW Exp Farm is around Feb 10, based on 1991–2020 climate normals. That's a median — about half of years see a later frost, so tender crops are safest going out a week or two after this date.

When is the first frost in Davis 2 WSW Exp Farm, CA?

The average first fall frost in Davis 2 WSW Exp Farm arrives around Dec 1. Crops still in the garden need to mature before then, and frost-tender plants need harvesting or protection as the date approaches.

How long is the growing season in Davis 2 WSW Exp Farm?

About 294 frost-free days on average, from Feb 10 to Dec 1. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Davis 2 WSW Exp Farm in?

USDA zone 9b on the 2023 Plant Hardiness Zone Map. Note that zones describe winter cold, not frost timing — these frost dates are the numbers to plan plantings around.