Austwell, TX Frost Dates & Growing Season

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

Last spring frost
Jan 30
~50% chance of frost after
First fall frost
Dec 27
~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 30 Mar 2
First fall frost Feb 6 Dec 27 Nov 27
Hard freeze (28°F), median last Jan 21 · first Jan 8

Computed from NOAA 1991–2020 climate normals at the AUSTWELL 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 Austwell

Computed from Austwell'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 5 – Dec 19 Feb 6 – Feb 13
🫑 Peppers Nov 21 – Dec 5 Feb 13 – Feb 20
🥬 Lettuce Dec 19 – Jan 2 Jan 2 – Jan 16 Jan 2 – Jan 30
🫛 Peas Dec 19 – Jan 2
🥕 Carrots Jan 9 – Jan 30
🥦 Broccoli Dec 12 – Dec 26 Jan 9 – Jan 23
🥬 Kale Dec 19 – Jan 2 Jan 2 – Jan 16 Jan 2 – Jan 16
🥒 Cucumbers Jan 2 – Jan 9 Feb 6 – Feb 13 Feb 6 – Feb 13
🥒 Zucchini Jan 2 – Jan 9 Feb 6 – Feb 13 Feb 6 – Feb 13
🫘 Green Beans (Bush) Feb 6 – Feb 13
🌽 Sweet Corn Feb 6 – Feb 13
🌿 Basil Dec 19 – Jan 2 Feb 6 – Feb 13 Feb 13 – Feb 20
🧄 Garlic Fall: Nov 15 – Dec 13

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 Austwell's dates automatically after a lookup.

Reading the season in Austwell

With roughly 331 frost-free days, Austwell 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 27 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Austwell, TX?

The average last spring frost in Austwell is around Jan 30, 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 Austwell, TX?

The average first fall frost in Austwell arrives around Dec 27. 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 Austwell?

About 331 frost-free days on average, from Jan 30 to Dec 27. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Austwell 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.