When to plant in Atlantic Beach, FL
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Atlantic Beach, Florida — is derived from the closest NOAA station with complete climate normals.
With only about -21 frost-free days, Atlantic Beach has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Zone 9b is warm enough that Atlantic Beach can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in Atlantic Beach is now 12 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
JACKSONVILLE BEACH · 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 Atlantic Beach’s own odds, recorded at JACKSONVILLE BEACH.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 10 | Feb 9 | Jan 10 | Dec 2 | Jan 1 | Jan 29 |
| 32°F | Mar 2 | Jan 31 | Jan 1 | Dec 16 | Jan 10 | Feb 14 |
| 28°F | Feb 16 | Jan 24 | Dec 27 | Dec 22 | Jan 16 | Feb 9 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Atlantic Beach, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 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.
Atlantic Beach planting FAQ
When is the last spring frost in Atlantic Beach, FL?
Plan for the last spring frost in Atlantic Beach around January 31 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Atlantic Beach, FL?
The first fall frost in Atlantic Beach typically arrives around January 10 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Atlantic Beach in?
Atlantic Beach is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Atlantic Beach?
There are roughly -21 frost-free days in Atlantic Beach (a short growing season), running from the average last frost around January 31 to the first fall frost near January 10.
When should I plant tomatoes in Atlantic Beach?
In Atlantic Beach, start tomato seeds indoors around December 6–December 20, then transplant seedlings outdoors around February 7 once the danger of frost has passed.
Never miss a window in Atlantic Beach
An email when it’s time to start seeds, transplant, and sow — timed to Atlantic Beach’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Jacksonville Beach · 8 km
- Palm Valley · 15 km
- Jacksonville · 25 km
- Nocatee · 28 km
- Fruit Cove · 35 km
- Fernandina Beach · 36 km
- Yulee · 37 km
- Bellair-Meadowbrook Terrace · 37 km
Frost dates recorded at JACKSONVILLE BEACH, 6 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 Atlantic Beach, FL — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00084366. Retrieved from https://blissgarden.com/florida/atlantic-beach.