blissgarden.

When to plant in Boaz, AL

USDA Zone 8a

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Boaz, Alabama — all computed from Boaz's nearest NOAA weather station.

Heads up: the nearest complete-normals station is about 20 km from Boaz, 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, Boaz supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · SAND MT SUBSTN · 19.8 km
Last spring frost
March 31
50% chance · 32°F
First fall frost
November 3
50% chance · 32°F
Growing season
217 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for BoazA year-band showing 32°F frost risk from January to December for Boaz: last spring frost around March 31, first fall frost around November 3, about 217 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

SAND MT SUBSTN · 1991–2020

The 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 Boaz’s own odds, recorded at SAND MT SUBSTN.

Frost-probability curves for BoazProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 31 and the first fall frost around November 3, giving about 217 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FApr 26Apr 12Mar 27Oct 14Oct 25Nov 6
32°FApr 16Mar 31Mar 14Oct 22Nov 3Nov 18
28°FApr 5Mar 17Feb 27Nov 1Nov 14Dec 3

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 14July 28
Fall sowin 9 days
Rutabaga
July 28August 11
Fall sowin 23 days
Broccoli
August 11August 25
Fall sowin 23 days
Cabbage
August 11August 25
Fall sowin 23 days
Carrot
August 11August 25
Fall sowin 23 days
Cauliflower
August 11August 25
Fall sowin 23 days
Napa Cabbage
August 11September 8

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Boaz, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 22 km · complete 32°F normals

When 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.

SAND MT SUBSTN
Primary
20 km · 363 m elevation
SPRING
Mar 31
FALL
Nov 3
GADSDEN 19 N
20 km · 351 m elevation
SPRING
Apr 1
FALL
Oct 31
GUNTERSVILLE
22 km · 176 m elevation
SPRING
Mar 19
FALL
Nov 18

Boaz planting FAQ

When is the last spring frost in Boaz, AL?

On average, the last spring frost in Boaz is around March 31 (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 Boaz, AL?

The first fall frost in Boaz typically arrives around November 3 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Boaz in?

Boaz is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.

How long is the growing season in Boaz?

Boaz has about 217 frost-free days — a long growing season — between the average last spring frost (March 31) and first fall frost (November 3).

When should I plant tomatoes in Boaz?

For Boaz, sow tomatoes indoors about February 3–February 17 and move the seedlings out around April 7, after the last spring frost.

Planting reminders

Never miss a window in Boaz

An email when it’s time to start seeds, transplant, and sow — timed to Boaz’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at SAND MT SUBSTN, 20 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Boaz, AL — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00017207. Retrieved from https://blissgarden.com/alabama/boaz.
When to Plant in Boaz, AL — Frost Dates & Zone 8a — BlissGarden