Marrero 9 SSW, LA Frost Dates & Growing Season

The two dates every Marrero 9 SSW garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Feb 10
~50% chance of frost after
First fall frost
Dec 12
~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 9 Feb 10 Mar 10
First fall frost Jan 12 Dec 12 Nov 20
Hard freeze (28°F), median last Jan 27 · first Jan 1

Computed from NOAA 1991–2020 climate normals at the MARRERO 9 SSW 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 Marrero 9 SSW

Computed from Marrero 9 SSW'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 16 – Dec 30 Feb 17 – Feb 24
🫑 Peppers Dec 2 – Dec 16 Feb 24 – Mar 3
🥬 Lettuce Dec 30 – Jan 13 Jan 13 – Jan 27 Jan 13 – Feb 10
🫛 Peas Dec 30 – Jan 13
🥕 Carrots Jan 20 – Feb 10
🥦 Broccoli Dec 23 – Jan 6 Jan 20 – Feb 3
🥬 Kale Dec 30 – Jan 13 Jan 13 – Jan 27 Jan 13 – Jan 27
🥒 Cucumbers Jan 13 – Jan 20 Feb 17 – Feb 24 Feb 17 – Feb 24
🥒 Zucchini Jan 13 – Jan 20 Feb 17 – Feb 24 Feb 17 – Feb 24
🫘 Green Beans (Bush) Feb 17 – Feb 24
🌽 Sweet Corn Feb 17 – Feb 24
🌿 Basil Dec 30 – Jan 13 Feb 17 – Feb 24 Feb 24 – Mar 3
🧄 Garlic Fall: Oct 31 – Nov 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 Marrero 9 SSW's dates automatically after a lookup.

Reading the season in Marrero 9 SSW

With roughly 305 frost-free days, Marrero 9 SSW 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 12 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Marrero 9 SSW, LA?

The average last spring frost in Marrero 9 SSW is around Feb 10, 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 Marrero 9 SSW, LA?

The average first fall frost in Marrero 9 SSW arrives around Dec 12. 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 Marrero 9 SSW?

About 305 frost-free days on average, from Feb 10 to Dec 12. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Marrero 9 SSW 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.