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USDA Hardiness Zone 10a

Frost Dates for 33948 — Port Charlotte, Florida

Averages from Punta Gorda 4 Ese, Fl US, the nearest reporting station, 10.5 miles away.

Plant tender crops after January 21, and expect the first autumn freeze around January 14. That leaves about 365 frost-free days.

Last spring frost
January 21

50% probability

First fall frost
January 14

50% probability

Growing season
365 days

frost-free

Hardiness zone
10a

30 to 35°F annual low

Planting calendar for 33948

What to do and when, based on the frost normals for Port Charlotte, Florida
WhenWhat to do
November 12 – November 26

Start peppers and aubergines indoors

They need eight to ten weeks under lights before they can go out.

November 26 – December 10

Start tomatoes indoors

Six to eight weeks gives a transplant big enough to set fruit early.

December 24 – January 7

Sow peas, spinach, lettuce, radish outdoors

These tolerate light frost and prefer to germinate in cool soil.

January 21 onward

Transplant tomatoes, peppers, basil, squash, cucumbers

The average last freeze has passed — still watch the actual forecast.

by October 22

Sow the autumn crop of carrots, beets and brassicas

They need about twelve weeks to size up before growth stops.

by December 31

Harvest tender crops, or be ready to cover them

A first freeze two weeks early is well within normal variation.

January 14 onward

Plant garlic, mulch beds, lift tender bulbs

Garlic wants a cold spell; bare soil loses structure over winter.

What these dates mean

Wait until after January 21 to put tender plants — tomatoes, peppers, basil, squash — in the ground. That is the date by which half of years in Port Charlotte, Florida are past their last freeze. Harvest before January 14, which leaves roughly 365 frost-free days.

ZIP 33948 sits in USDA hardiness zone 10a, meaning the average coldest night of the year falls between 30 to 35°F. Zone decides what survives the winter; frost dates decide when to plant each spring. They are different questions, and a plant can pass one and fail the other.

These are thirty-year NOAA averages for 1991–2020, not a forecast. Any individual year can frost two to three weeks either side of these dates, so check the actual forecast before planting out.

Other zone 10a ZIP codes in Florida