Your nature year
Alpharetta, Georgiathrough the year
Also for Milton, GA, Canton, GA: the same nearby places.
When do frost, green-up and fall color come to Alpharetta?
Leaves usually come out around Feb 16 and the first flowers around Mar 23. At NOAA's Atlanta Dekalb Peachtree Airport station, 13.4 miles away, the average first fall frost is Nov 9 and the last spring frost Mar 25, which leaves Alpharetta some 229 growing days.
Head southwest for the closest of the 8 places we follow around Alpharetta. For a day trip, Chattahoochee River is 7 miles off; its wildflowers is early spring (local timing). Piedmont Refuge (75 mi) is the pick for fall & winter wildlife, fall and winter (local timing).
Checked against 3 official sources · How we check →
Sources: US Census Bureau, 2024 Gazetteer (places) ↗ (opens in a new tab), US Census Bureau, city and town population estimates, 2024 ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) ↗ (opens in a new tab)
Near Alpharetta right now
- First fall frost usually around Nov 9 · last spring frost around Mar 25NOAA 1991–2020 normals, Atlanta Dekalb Peachtree Airport (13.4 mi, 50% dates)~5 weeks
- In season nearby: Fall & winter wildlife1 place in its usual window now, listed belowIn season
- Fall foliage · next season nearby · 81 miusually late October and early November~3 weeks
Your guide around Alpharetta
- Pin color, each place's season now or next:
- Spring
- Fall
- Winter
Places near Alpharetta

Spring wildflowers in GeorgiaNational Recreation Area
7 mi
Season: Early springNational Park Service ↗

Wood ducks and migratory waterfowl in GeorgiaWildlife refuge
75 mi
Season: Fall and winterU.S. Fish and Wildlife Service ↗
Fall color in AlabamaNational Preserve
81 mi
Usual peak: Late October and early NovemberNational Park Service ↗
Fall color in North CarolinaNational forest
92 mi · Also: Wildflowers · Local timing: early to mid April
Statewide timing: By mid-OctoberUSA National Phenology Network ↗

Fall color in TennesseeNational forest
92 mi · Also: Wildflowers · Usually: early spring (March-April)
Usual peak: Mid-October to early NovemberUSDA Forest Service ↗

Synchronous fireflies in TennesseeNational park
118 mi
Season: Late May or early JuneNational Park Service ↗
Alpharetta's nature year
| Month | What to see | Where |
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Alpharetta's year at a glance
- Frost possible
- Frost-free, ~Mar 25 to ~Nov 9
- First leaf ~Feb 16
- First bloom ~Mar 23
- Today
Frost and green-up
Last spring frost
Mar 25
Average (50% date)
First fall frost
Nov 9
About 229 days without frost between
Spring green-up
Feb 16
First bloom around Mar 23
Frost: NOAA 1991–2020 climate normals at Atlanta Dekalb Peachtree Airport (13.4 mi from Alpharetta), the day a 32 °F night is as likely as not. Green-up: the USA-NPN Spring Index, 1991–2020 average at the town.
Questions people ask
When is the first frost in Alpharetta?
On average around Nov 9, and the last spring frost around Mar 25: about 229 days without frost between. These are NOAA's 1991–2020 normals at Atlanta Dekalb Peachtree Airport, 13.4 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Alpharetta?
The USA-NPN Spring Index puts first leaf around Feb 16 and first bloom around Mar 23, on average for 1991–2020 at the town.
Where can I see fall foliage near Alpharetta?
The nearest are Little River Canyon (81 miles), Nantahala National Forest (92 miles) and Cherokee National Forest (92 miles). Little River Canyon: usually late October and early November. Nantahala National Forest: statewide: usually well under way by mid-October. Cherokee National Forest: usually mid-October to early November. Distances are straight-line.
Where can I see synchronous fireflies near Alpharetta?
The nearest is Great Smoky Mountains (118 miles). Great Smoky Mountains: local timing: late May or early June. Distances are straight-line.
How we know
US Census Bureau, 2024 Gazetteer (places) (opens in a new tab) (Sep 27) · US Census Bureau, city and town population estimates, 2024 (opens in a new tab) (Sep 27) · NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) (opens in a new tab) (Sep 27) · USA National Phenology Network, Spring Index 1991–2020 averages (opens in a new tab) (Sep 27)