Frost Dates for Fort Myers, FL 33905

Last spring frost January 4 · First fall frost January 16 · 12 frost-free days · USDA Zone 10a

Frost probability for 33905

Frost10%50%90%
Spring (last frost)February 13January 4—
Fall (first frost)December 10January 16—

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (36.0 km away); the 50% date is the median year.

Frost dates by ZIP code in Fort Myers, FL

ZIPLast spring frost (50%)First fall frost (50%)Zone
33905January 4January 1610a
33908——10b
33913——10a
33919——10b
33967——10b
33916January 4January 1610b
33907——10b
33901January 4January 1610b
33912——10b
33966January 4January 1610b
33965——10a

Month by month in Fort Myers

MonthWhat to do
JanuaryPlant cool-season crops: lettuce, spinach, broccoli, peas, and carrots.
FebruaryDirect sow brassicas and root vegetables. Start warm-season seedlings indoors.
MarchTransplant warm-season crops outdoors. Sow beans, cucumbers, and squash.
AprilMain warm-season planting window. Direct sow melons and sweet corn.
MaySuccession plant lettuce. Keep beds irrigated as temperatures climb.
JuneMonitor for heat stress. Harvest zucchini and cucumbers frequently.
JulyHarvest regularly to encourage continued production. Watch for pests.
AugustStart fall cool-season crops: broccoli, kale, beets, and carrots.
SeptemberPlant fall lettuce, spinach, arugula, and radishes.
OctoberHarvest mature crops. Direct sow cold-tolerant greens.
NovemberPlant garlic and onion sets. Harvest cool-season crops through the month.
DecemberPlant cool-season crops for winter harvest. Plan next year's garden.

What grows in a 12-day season

Frequently Asked Questions

What is the last frost date for Fort Myers, FL (ZIP 33905)?

The median last spring frost date for Fort Myers, FL (ZIP code 33905) is around January 4. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.

What is the first fall frost date in Fort Myers, FL?

The median first fall frost date for Fort Myers, FL is around January 16. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.

How long is the growing season in Fort Myers, FL?

The frost-free growing season in Fort Myers is about 12 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.

What USDA hardiness zone is Fort Myers, FL?

Based on frost date patterns, Fort Myers falls approximately in 10a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.

When should I start tomatoes indoors in Fort Myers, FL?

Start tomato seeds indoors 6–8 weeks before your last frost date (around January 4). For Fort Myers, that's roughly November 9 to November 23. Transplant outdoors 1–2 weeks after your last frost.

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