When to plant in Sugar Hill, GA
USDA Zone 8aEverything below — frost dates, hardiness zone, and what to plant when in Sugar Hill, Georgia — is derived from the closest NOAA station with complete climate normals.
Heads up: the nearest complete-normals station is about 18 km from Sugar Hill, 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, Sugar Hill supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
CUMMING 2N · 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 Sugar Hill’s own odds, recorded at CUMMING 2N.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 16 | Apr 1 | Oct 11 | Oct 25 | Nov 7 |
| 32°F | Apr 19 | Apr 4 | Mar 16 | Oct 23 | Nov 4 | Nov 23 |
| 28°F | Apr 7 | Mar 20 | Feb 26 | Nov 1 | Nov 15 | Dec 5 |
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 Sugar Hill, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 29 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.
Sugar Hill planting FAQ
When is the last spring frost in Sugar Hill, GA?
On average, the last spring frost in Sugar Hill is around April 4 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Sugar Hill, GA?
In Sugar Hill, the first 32°F freeze of fall lands around November 4 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Sugar Hill in?
Sugar Hill is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Sugar Hill?
Sugar Hill has about 214 frost-free days — a long growing season — between the average last spring frost (April 4) and first fall frost (November 4).
When should I plant tomatoes in Sugar Hill?
For Sugar Hill, sow tomatoes indoors about February 7–February 21 and move the seedlings out around April 11, after the last spring frost.
Never miss a window in Sugar Hill
An email when it’s time to start seeds, transplant, and sow — timed to Sugar Hill’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Suwanee · 5 km
- Buford · 6 km
- Flowery Branch · 14 km
- Duluth · 14 km
- Lawrenceville · 15 km
- Johns Creek · 17 km
- Braselton · 20 km
- Alpharetta · 22 km
Frost dates recorded at CUMMING 2N, 18 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 Sugar Hill, GA — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00092408. Retrieved from https://blissgarden.com/georgia/sugar-hill.