Cotulla La Salle Co Airport, TX Frost Dates & Growing Season

The two dates every Cotulla La Salle Co Airport garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Feb 11
~50% chance of frost after
First fall frost
Dec 3
~50% chance of frost before
Growing season
295 days
frost-free stretch
USDA zone
≈ 9b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Jan 5 Feb 11 Mar 9
First fall frost Jan 5 Dec 3 Nov 15
Hard freeze (28°F), median last Jan 20 · first Dec 19

Computed from NOAA 1991–2020 climate normals at the COTULLA LA SALLE CO AP 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 Cotulla La Salle Co Airport

Computed from Cotulla La Salle Co Airport'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 17 – Dec 31 Feb 18 – Feb 25
🫑 Peppers Dec 3 – Dec 17 Feb 25 – Mar 4
🥬 Lettuce Dec 31 – Jan 14 Jan 14 – Jan 28 Jan 14 – Feb 11
🫛 Peas Dec 31 – Jan 14
🥕 Carrots Jan 21 – Feb 11
🥦 Broccoli Dec 24 – Jan 7 Jan 21 – Feb 4
🥬 Kale Dec 31 – Jan 14 Jan 14 – Jan 28 Jan 14 – Jan 28
🥒 Cucumbers Jan 14 – Jan 21 Feb 18 – Feb 25 Feb 18 – Feb 25
🥒 Zucchini Jan 14 – Jan 21 Feb 18 – Feb 25 Feb 18 – Feb 25
🫘 Green Beans (Bush) Feb 18 – Feb 25
🌽 Sweet Corn Feb 18 – Feb 25
🌿 Basil Dec 31 – Jan 14 Feb 18 – Feb 25 Feb 25 – Mar 4
🧄 Garlic Fall: Oct 22 – Nov 19

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 Cotulla La Salle Co Airport's dates automatically after a lookup.

Reading the season in Cotulla La Salle Co Airport

With roughly 295 frost-free days, Cotulla La Salle Co Airport 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 3 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Cotulla La Salle Co Airport, TX?

The average last spring frost in Cotulla La Salle Co Airport is around Feb 11, 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 Cotulla La Salle Co Airport, TX?

The average first fall frost in Cotulla La Salle Co Airport arrives around Dec 3. 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 Cotulla La Salle Co Airport?

About 295 frost-free days on average, from Feb 11 to Dec 3. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Cotulla La Salle Co Airport 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.