When to plant in Northport, AL
USDA Zone 8bNorthport, Alabama frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 8b means many perennials and even some tender shrubs overwinter in Northport, while your frost dates still decide when annuals go out.
Frost probability
NORTHPORT 2 S · 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 Northport’s own odds, recorded at NORTHPORT 2 S.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 17 | Apr 1 | Mar 14 | Oct 20 | Nov 1 | Nov 15 |
| 32°F | Apr 4 | Mar 18 | Feb 26 | Oct 29 | Nov 10 | Nov 29 |
| 28°F | Mar 22 | Mar 3 | Feb 6 | Nov 6 | Nov 25 | Dec 22 |
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 Northport, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 5 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.
Northport planting FAQ
When is the last spring frost in Northport, AL?
Northport's average last spring frost falls near March 18 — 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 Northport, AL?
In Northport, the first 32°F freeze of fall lands around November 10 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Northport in?
Northport is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Northport?
There are roughly 237 frost-free days in Northport (a long growing season), running from the average last frost around March 18 to the first fall frost near November 10.
When should I plant tomatoes in Northport?
In Northport, start tomato seeds indoors around January 21–February 4, then transplant seedlings outdoors around March 25 once the danger of frost has passed.
Never miss a window in Northport
An email when it’s time to start seeds, transplant, and sow — timed to Northport’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at NORTHPORT 2 S, 5 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 Northport, AL — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00073801. Retrieved from https://blissgarden.com/alabama/northport.