Brunswick Malcolm Mckinnon Airport, GA Frost Dates & Growing Season

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

Last spring frost
Feb 9
~50% chance of frost after
First fall frost
Dec 26
~50% chance of frost before
Growing season
320 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 11 Feb 9 Mar 6
First fall frost Jan 19 Dec 26 Nov 30
Hard freeze (28°F), median last Jan 27 · first Jan 8

Computed from NOAA 1991–2020 climate normals at the BRUNSWICK MALCOLM MCKINNON 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 Brunswick Malcolm Mckinnon Airport

Computed from Brunswick Malcolm Mckinnon 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 15 – Dec 29 Feb 16 – Feb 23
🫑 Peppers Dec 1 – Dec 15 Feb 23 – Mar 2
🥬 Lettuce Dec 29 – Jan 12 Jan 12 – Jan 26 Jan 12 – Feb 9
🫛 Peas Dec 29 – Jan 12
🥕 Carrots Jan 19 – Feb 9
🥦 Broccoli Dec 22 – Jan 5 Jan 19 – Feb 2
🥬 Kale Dec 29 – Jan 12 Jan 12 – Jan 26 Jan 12 – Jan 26
🥒 Cucumbers Jan 12 – Jan 19 Feb 16 – Feb 23 Feb 16 – Feb 23
🥒 Zucchini Jan 12 – Jan 19 Feb 16 – Feb 23 Feb 16 – Feb 23
🫘 Green Beans (Bush) Feb 16 – Feb 23
🌽 Sweet Corn Feb 16 – Feb 23
🌿 Basil Dec 29 – Jan 12 Feb 16 – Feb 23 Feb 23 – Mar 2
🧄 Garlic Fall: Nov 14 – Dec 12

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 Brunswick Malcolm Mckinnon Airport's dates automatically after a lookup.

Reading the season in Brunswick Malcolm Mckinnon Airport

With roughly 320 frost-free days, Brunswick Malcolm Mckinnon 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 26 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Brunswick Malcolm Mckinnon Airport, GA?

The average last spring frost in Brunswick Malcolm Mckinnon Airport is around Feb 9, 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 Brunswick Malcolm Mckinnon Airport, GA?

The average first fall frost in Brunswick Malcolm Mckinnon Airport arrives around Dec 26. 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 Brunswick Malcolm Mckinnon Airport?

About 320 frost-free days on average, from Feb 9 to Dec 26. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Brunswick Malcolm Mckinnon 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.