Mccook, TX Frost Dates & Growing Season

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

Last spring frost
Jan 22
~50% chance of frost after
First fall frost
Dec 19
~50% chance of frost before
Growing season
331 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 19 Jan 22 Mar 5
First fall frost Jan 23 Dec 19 Nov 26
Hard freeze (28°F), median last Jan 6 · first Jan 1

Computed from NOAA 1991–2020 climate normals at the MCCOOK 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 Mccook

Computed from Mccook'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 Nov 27 – Dec 11 Jan 29 – Feb 5
🫑 Peppers Nov 13 – Nov 27 Feb 5 – Feb 12
🥬 Lettuce Dec 11 – Dec 25 Dec 25 – Jan 8 Dec 25 – Jan 22
🫛 Peas Dec 11 – Dec 25
🥕 Carrots Jan 1 – Jan 22
🥦 Broccoli Dec 4 – Dec 18 Jan 1 – Jan 15
🥬 Kale Dec 11 – Dec 25 Dec 25 – Jan 8 Dec 25 – Jan 8
🥒 Cucumbers Dec 25 – Jan 1 Jan 29 – Feb 5 Jan 29 – Feb 5
🥒 Zucchini Dec 25 – Jan 1 Jan 29 – Feb 5 Jan 29 – Feb 5
🫘 Green Beans (Bush) Jan 29 – Feb 5
🌽 Sweet Corn Jan 29 – Feb 5
🌿 Basil Dec 11 – Dec 25 Jan 29 – Feb 5 Feb 5 – Feb 12
🧄 Garlic Fall: Nov 7 – Dec 5

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 Mccook's dates automatically after a lookup.

Reading the season in Mccook

With roughly 331 frost-free days, Mccook 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 19 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Mccook, TX?

The average last spring frost in Mccook is around Jan 22, 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 Mccook, TX?

The average first fall frost in Mccook arrives around Dec 19. 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 Mccook?

About 331 frost-free days on average, from Jan 22 to Dec 19. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Mccook 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.