Marshall, TX Frost Dates & Growing Season

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

Last spring frost
Mar 20
~50% chance of frost after
First fall frost
Nov 11
~50% chance of frost before
Growing season
236 days
frost-free stretch
USDA zone
≈ 8b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Feb 28 Mar 20 Apr 7
First fall frost Nov 30 Nov 11 Oct 27
Hard freeze (28°F), median last Mar 5 · first Nov 24

Computed from NOAA 1991–2020 climate normals at the MARSHALL 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 Marshall

Computed from Marshall's own frost dates. Click any crop for the full zone-8 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Jan 23 – Feb 6 Mar 27 – Apr 3
🫑 Peppers Jan 9 – Jan 23 Apr 3 – Apr 10
🥬 Lettuce Feb 6 – Feb 20 Feb 20 – Mar 6 Feb 20 – Mar 20
🫛 Peas Feb 6 – Feb 20
🥕 Carrots Feb 27 – Mar 20
🥦 Broccoli Jan 30 – Feb 13 Feb 27 – Mar 13
🥬 Kale Feb 6 – Feb 20 Feb 20 – Mar 6 Feb 20 – Mar 6
🥒 Cucumbers Feb 20 – Feb 27 Mar 27 – Apr 3 Mar 27 – Apr 3
🥒 Zucchini Feb 20 – Feb 27 Mar 27 – Apr 3 Mar 27 – Apr 3
🫘 Green Beans (Bush) Mar 27 – Apr 3
🌽 Sweet Corn Mar 27 – Apr 3
🌿 Basil Feb 6 – Feb 20 Mar 27 – Apr 3 Apr 3 – Apr 10
🧄 Garlic Fall: Sep 30 – Oct 28

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 Marshall's dates automatically after a lookup.

Reading the season in Marshall

With roughly 236 frost-free days, Marshall 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 Nov 11 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Marshall, TX?

The average last spring frost in Marshall is around Mar 20, 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 Marshall, TX?

The average first fall frost in Marshall arrives around Nov 11. 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 Marshall?

About 236 frost-free days on average, from Mar 20 to Nov 11. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Marshall in?

USDA zone 8b 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.