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When to plant in College Park, GA

USDA Zone 8b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for College Park, Georgia — all computed from College Park's nearest NOAA weather station.

With about 250 frost-free days, College Park supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 8b, College Park supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · ATLANTA HARTSFIELD INTL AP · 2.4 km
Last spring frost
March 15
50% chance · 32°F
First fall frost
November 20
50% chance · 32°F
Growing season
250 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for College ParkA year-band showing 32°F frost risk from January to December for College Park: last spring frost around March 15, first fall frost around November 20, about 250 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in College Park is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

ATLANTA HARTSFIELD INTL AP · 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 College Park’s own odds, recorded at ATLANTA HARTSFIELD INTL AP.

Frost-probability curves for College ParkProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 15 and the first fall frost around November 20, giving about 250 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 16Mar 29Mar 10Oct 28Nov 7Nov 25
32°FApr 4Mar 15Feb 23Nov 4Nov 20Dec 10
28°FMar 20Feb 28Feb 1Nov 14Dec 5Jan 3

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 12 days
Brussels Sprouts
July 31August 14
Fall sowin 26 days
Rutabaga
August 14August 28

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

Nearby weather stations

3 within 16 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.

ATLANTA HARTSFIELD INTL AP
Primary
2 km · 308 m elevation
SPRING
Mar 15
FALL
Nov 20
JONESBORO
16 km · 284 m elevation
SPRING
Mar 25
FALL
Nov 12
ATLANTA FULTON CO AP
16 km · 256 m elevation
SPRING
Mar 24
FALL
Nov 8

College Park planting FAQ

When is the last spring frost in College Park, GA?

College Park's average last spring frost falls near March 15 — 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 College Park, GA?

Expect College Park's first fall frost near November 20 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is College Park in?

College Park is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.

How long is the growing season in College Park?

College Park has about 250 frost-free days — a long growing season — between the average last spring frost (March 15) and first fall frost (November 20).

When should I plant tomatoes in College Park?

For College Park, sow tomatoes indoors about January 18–February 1 and move the seedlings out around March 22, after the last spring frost.

Planting reminders

Never miss a window in College Park

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

Nearby cities

8 within reach

Frost dates recorded at ATLANTA HARTSFIELD INTL AP, 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 College Park, GA — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013874. Retrieved from https://blissgarden.com/georgia/college-park.
When to Plant in College Park, GA — Frost Dates & Zone 8b — BlissGarden