Biloxi, MS Frost Dates & Growing Season

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

Last spring frost
Feb 12
~50% chance of frost after
First fall frost
Dec 14
~50% chance of frost before
Growing season
305 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 18 Feb 12 Mar 11
First fall frost Jan 11 Dec 14 Nov 16
Hard freeze (28°F), median last Jan 27 · first Jan 2

Computed from NOAA 1991–2020 climate normals at the BILOXI 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 Biloxi

Computed from Biloxi'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 18 – Jan 1 Feb 19 – Feb 26
🫑 Peppers Dec 4 – Dec 18 Feb 26 – Mar 5
🥬 Lettuce Jan 1 – Jan 15 Jan 15 – Jan 29 Jan 15 – Feb 12
🫛 Peas Jan 1 – Jan 15
🥕 Carrots Jan 22 – Feb 12
🥦 Broccoli Dec 25 – Jan 8 Jan 22 – Feb 5
🥬 Kale Jan 1 – Jan 15 Jan 15 – Jan 29 Jan 15 – Jan 29
🥒 Cucumbers Jan 15 – Jan 22 Feb 19 – Feb 26 Feb 19 – Feb 26
🥒 Zucchini Jan 15 – Jan 22 Feb 19 – Feb 26 Feb 19 – Feb 26
🫘 Green Beans (Bush) Feb 19 – Feb 26
🌽 Sweet Corn Feb 19 – Feb 26
🌿 Basil Jan 1 – Jan 15 Feb 19 – Feb 26 Feb 26 – Mar 5
🧄 Garlic Fall: Nov 2 – Nov 30

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 Biloxi's dates automatically after a lookup.

Reading the season in Biloxi

With roughly 305 frost-free days, Biloxi 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 14 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Biloxi, MS?

The average last spring frost in Biloxi is around Feb 12, 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 Biloxi, MS?

The average first fall frost in Biloxi arrives around Dec 14. 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 Biloxi?

About 305 frost-free days on average, from Feb 12 to Dec 14. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Biloxi 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.