When to plant in Calhoun, GA
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Calhoun, Georgia — is derived from the closest NOAA station with complete climate normals.
Heads up: the nearest complete-normals station is about 27 km from Calhoun, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. In zone 8a, Calhoun supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Calhoun is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ROME R B RUSSELL AP · 1991–2020The 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 Calhoun’s own odds, recorded at ROME R B RUSSELL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 28 | Apr 11 | Mar 25 | Oct 12 | Oct 25 | Nov 6 |
| 32°F | Apr 15 | Mar 29 | Mar 12 | Oct 22 | Nov 3 | Nov 18 |
| 28°F | Apr 3 | Mar 16 | Feb 25 | Oct 30 | Nov 14 | Dec 2 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Calhoun, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 33 km · complete 32°F normalsWhen 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.
Calhoun planting FAQ
When is the last spring frost in Calhoun, GA?
Calhoun's average last spring frost falls near March 29 — 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 Calhoun, GA?
The first fall frost in Calhoun typically arrives around November 3 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Calhoun in?
Calhoun is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Calhoun?
Calhoun has about 219 frost-free days — a long growing season — between the average last spring frost (March 29) and first fall frost (November 3).
When should I plant tomatoes in Calhoun?
For Calhoun, sow tomatoes indoors about February 1–February 15 and move the seedlings out around April 5, after the last spring frost.
Never miss a window in Calhoun
An email when it’s time to start seeds, transplant, and sow — timed to Calhoun’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Dalton · 30 km
- Rome · 35 km
- Cartersville · 39 km
- Canton · 49 km
- Acworth · 54 km
- Holly Springs · 55 km
- Fort Oglethorpe · 56 km
- Woodstock · 59 km
Frost dates recorded at ROME R B RUSSELL AP, 27 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Calhoun, GA — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093801. Retrieved from https://blissgarden.com/georgia/calhoun.