Santa Barbara 11 W, CA Frost Dates & Growing Season

The two dates every Santa Barbara 11 W garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Dec 31
~50% chance of frost after
First fall frost
Dec 20
~50% chance of frost before
Growing season
354 days
frost-free stretch
USDA zone
≈ 10b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Dec 8 Dec 31 Jan 29
First fall frost Jan 19 Dec 20 Dec 1

Computed from NOAA 1991–2020 climate normals at the SANTA BARBARA 11 W 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 Santa Barbara 11 W

Computed from Santa Barbara 11 W's own frost dates. Click any crop for the full zone-10 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Nov 5 – Nov 19 Jan 7 – Jan 14
🫑 Peppers Oct 22 – Nov 5 Jan 14 – Jan 21
🥬 Lettuce Nov 19 – Dec 3 Dec 3 – Dec 17 Dec 3 – Dec 31
🫛 Peas Nov 19 – Dec 3
🥕 Carrots Dec 10 – Dec 31
🥦 Broccoli Nov 12 – Nov 26 Dec 10 – Dec 24
🥬 Kale Nov 19 – Dec 3 Dec 3 – Dec 17 Dec 3 – Dec 17
🥒 Cucumbers Dec 3 – Dec 10 Jan 7 – Jan 14 Jan 7 – Jan 14
🥒 Zucchini Dec 3 – Dec 10 Jan 7 – Jan 14 Jan 7 – Jan 14
🫘 Green Beans (Bush) Jan 7 – Jan 14
🌽 Sweet Corn Jan 7 – Jan 14
🌿 Basil Nov 19 – Dec 3 Jan 7 – Jan 14 Jan 14 – Jan 21
🧄 Garlic Fall: Nov 8 – Dec 6

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 Santa Barbara 11 W's dates automatically after a lookup.

Reading the season in Santa Barbara 11 W

With roughly 354 frost-free days, Santa Barbara 11 W 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 20 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Santa Barbara 11 W, CA?

The average last spring frost in Santa Barbara 11 W is around Dec 31, 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 Santa Barbara 11 W, CA?

The average first fall frost in Santa Barbara 11 W arrives around Dec 20. 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 Santa Barbara 11 W?

About 354 frost-free days on average, from Dec 31 to Dec 20. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Santa Barbara 11 W in?

USDA zone 10b 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.