Frost Dates for Tampa, FL 33647

Last spring frost February 3 · First fall frost January 21 · 352 frost-free days · USDA Zone 9b

Frost probability for 33647

Frost10%50%90%
Spring (last frost)March 1February 3January 4
Fall (first frost)December 8January 21February 8

Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (24.7 km away); the 50% date is the median year.

Frost dates by ZIP code in Tampa, FL

ZIPLast spring frost (50%)First fall frost (50%)Zone
33647February 3January 219b
33612January 29January 219b
33617February 3January 219b
33614January 19January 710a
33615January 19January 710a
33610January 19January 219b
33619January 19January 2110a
33624January 19January 710a
33604January 19January 2110a
33613January 29January 219b
33611January 19January 1610a
33626January 19January 710a
33625January 19January 710a
33618January 19January 79b
33629January 19January 710a
33607January 19January 710a
33606January 19January 2110a
33634January 19January 710a
33602January 19January 2110a
33603January 19January 2110a
33635January 19January 710a
33609January 19January 710a
33637February 3January 219b
33605January 19January 2110a
33616January 19January 1610a
33620February 3January 219b
33621January 19January 1610a

Month by month in Tampa

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 352-day season

Frequently Asked Questions

What is the last frost date for Tampa, FL (ZIP 33647)?

The median last spring frost date for Tampa, FL (ZIP code 33647) is around February 3. 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 Tampa, FL?

The median first fall frost date for Tampa, FL is around January 21. 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 Tampa, FL?

The frost-free growing season in Tampa is about 352 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 Tampa, FL?

Based on frost date patterns, Tampa falls approximately in 9b. 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 Tampa, FL?

Start tomato seeds indoors 6–8 weeks before your last frost date (around February 3). For Tampa, that's roughly December 9 to December 23. Transplant outdoors 1–2 weeks after your last frost.

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