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When to plant in Fort Oglethorpe, GA

USDA Zone 8a

Fort Oglethorpe, Georgia frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

Zone 8a means many perennials and even some tender shrubs overwinter in Fort Oglethorpe, while your frost dates still decide when annuals go out.

Station · CHICKAMAUGA PK LARC · 2.6 km
Last spring frost
April 6
50% chance · 32°F
First fall frost
October 30
50% chance · 32°F
Growing season
207 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Fort OglethorpeA year-band showing 32°F frost risk from January to December for Fort Oglethorpe: last spring frost around April 6, first fall frost around October 30, about 207 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

CHICKAMAUGA PK LARC · 1991–2020

The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Fort Oglethorpe’s own odds, recorded at CHICKAMAUGA PK LARC.

Frost-probability curves for Fort OglethorpeProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 6 and the first fall frost around October 30, giving about 207 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 5Apr 19Apr 3Oct 8Oct 21Nov 3
32°FApr 23Apr 6Mar 20Oct 17Oct 30Nov 11
28°FApr 10Mar 27Mar 10Oct 26Nov 6Nov 24

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 10July 24
Fall sowin 5 days
Rutabaga
July 24August 7
Fall sowin 19 days
Broccoli
August 7August 21
Fall sowin 19 days
Cabbage
August 7August 21
Fall sowin 19 days
Carrot
August 7August 21
Fall sowin 19 days
Cauliflower
August 7August 21
Fall sowin 19 days
Napa Cabbage
August 7September 4

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Fort Oglethorpe, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 12 km · complete 32°F normals

When stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.

CHICKAMAUGA PK LARC
Primary
3 km · 238 m elevation
SPRING
Apr 6
FALL
Oct 30
CHICKAMAUGA 2 SW
11 km · 244 m elevation
SPRING
Mar 25
FALL
Nov 9
CHATTANOOGA LOVELL AP
12 km · 205 m elevation
SPRING
Mar 24
FALL
Nov 9

Fort Oglethorpe planting FAQ

When is the last spring frost in Fort Oglethorpe, GA?

Plan for the last spring frost in Fort Oglethorpe around April 6 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.

When is the first fall frost in Fort Oglethorpe, GA?

Expect Fort Oglethorpe's first fall frost near October 30 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Fort Oglethorpe in?

Fort Oglethorpe is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Fort Oglethorpe?

There are roughly 207 frost-free days in Fort Oglethorpe (a moderate growing season), running from the average last frost around April 6 to the first fall frost near October 30.

When should I plant tomatoes in Fort Oglethorpe?

In Fort Oglethorpe, start tomato seeds indoors around February 9–February 23, then transplant seedlings outdoors around April 13 once the danger of frost has passed.

Planting reminders

Never miss a window in Fort Oglethorpe

An email when it’s time to start seeds, transplant, and sow — timed to Fort Oglethorpe’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at CHICKAMAUGA PK LARC, 3 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Fort Oglethorpe, GA — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00091908. Retrieved from https://blissgarden.com/georgia/fort-oglethorpe.