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When to plant in Cairo, GA

USDA Zone 9a

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

With about 255 frost-free days, Cairo supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 9a is warm enough that Cairo can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.

Station · CAIRO 1SW · 1.6 km
Last spring frost
March 11
50% chance · 32°F
First fall frost
November 21
50% chance · 32°F
Growing season
255 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for CairoA year-band showing 32°F frost risk from January to December for Cairo: last spring frost around March 11, first fall frost around November 21, about 255 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

CAIRO 1SW · 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 Cairo’s own odds, recorded at CAIRO 1SW.

Frost-probability curves for CairoProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 11 and the first fall frost around November 21, giving about 255 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°FApr 12Mar 27Mar 9Oct 26Nov 10Dec 1
32°FMar 31Mar 11Feb 20Nov 4Nov 21Dec 15
28°FMar 18Feb 25Jan 29Nov 16Dec 6Jan 10

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

What to plant now

TODAY · JULY 19
Fall sowin 13 days
Brussels Sprouts
August 1August 15
Fall sowin 27 days
Rutabaga
August 15August 29

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 Cairo, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 40 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.

CAIRO 1SW
Primary
2 km · 61 m elevation
SPRING
Mar 11
FALL
Nov 21
CAMILLA 3 SE
35 km · 53 m elevation
SPRING
Mar 10
FALL
Nov 18
BAINBRIDGE INTL PAPER
40 km · 58 m elevation
SPRING
Mar 14
FALL
Nov 17

Cairo planting FAQ

When is the last spring frost in Cairo, GA?

Cairo's average last spring frost falls near March 11 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.

When is the first fall frost in Cairo, GA?

Expect Cairo's first fall frost near November 21 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Cairo in?

Cairo is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Cairo?

There are roughly 255 frost-free days in Cairo (a long growing season), running from the average last frost around March 11 to the first fall frost near November 21.

When should I plant tomatoes in Cairo?

In Cairo, start tomato seeds indoors around January 14–January 28, then transplant seedlings outdoors around March 18 once the danger of frost has passed.

Planting reminders

Never miss a window in Cairo

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

Nearby cities

8 within reach

Frost dates recorded at CAIRO 1SW, 2 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 Cairo, GA — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00091463. Retrieved from https://blissgarden.com/georgia/cairo.
When to Plant in Cairo, GA — Frost Dates & Zone 9a — BlissGarden