Skip to content

USDA Hardiness Zone 8b

Frost Dates for 31005 — Bonaire, Georgia

Averages from Warner Robins, Ga US, the nearest reporting station, 3.7 miles away.

Plant tender crops after March 11, and expect the first autumn freeze around November 19. That leaves about 256 frost-free days.

Last spring frost
March 11

50% probability

First fall frost
November 19

50% probability

Growing season
256 days

frost-free

Hardiness zone
8b

15 to 20°F annual low

Planting calendar for 31005

What to do and when, based on the frost normals for Bonaire, Georgia
WhenWhat to do
December 31 – January 14

Start peppers and aubergines indoors

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

January 14 – January 28

Start tomatoes indoors

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

February 11 – February 25

Sow peas, spinach, lettuce, radish outdoors

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

March 11 onward

Transplant tomatoes, peppers, basil, squash, cucumbers

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

by August 27

Sow the autumn crop of carrots, beets and brassicas

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

by November 5

Harvest tender crops, or be ready to cover them

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

November 19 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 March 11 to put tender plants — tomatoes, peppers, basil, squash — in the ground. That is the date by which half of years in Bonaire, Georgia are past their last freeze. Harvest before November 19, which leaves roughly 256 frost-free days.

ZIP 31005 sits in USDA hardiness zone 8b, meaning the average coldest night of the year falls between 15 to 20°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 8b ZIP codes in Georgia