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When to plant in Rainbow City, AL

USDA Zone 8a

Everything below — frost dates, hardiness zone, and what to plant when in Rainbow City, Alabama — is derived from the closest NOAA station with complete climate normals.

In zone 8a, Rainbow City supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.

Station · GADSDEN · 13.6 km
Last spring frost
March 19
50% chance · 32°F
First fall frost
November 13
50% chance · 32°F
Growing season
239 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Rainbow CityA year-band showing 32°F frost risk from January to December for Rainbow City: last spring frost around March 19, first fall frost around November 13, about 239 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Rainbow City is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

GADSDEN · 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 Rainbow City’s own odds, recorded at GADSDEN.

Frost-probability curves for Rainbow CityProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 19 and the first fall frost around November 13, giving about 239 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 21Apr 1Mar 16Oct 22Nov 3Nov 18
32°FApr 7Mar 19Feb 27Nov 1Nov 13Dec 1
28°FMar 24Mar 4Feb 11Nov 9Nov 27Dec 23

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

What to plant now

TODAY · JULY 19
Fall sowin 5 days
Brussels Sprouts
July 24August 7
Fall sowin 19 days
Rutabaga
August 7August 21

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 Rainbow City, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 40 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.

GADSDEN
Primary
14 km · 172 m elevation
SPRING
Mar 19
FALL
Nov 13
ONEONTA
31 km · 335 m elevation
SPRING
Mar 26
FALL
Nov 10
TALLADEGA 10 NNE
40 km · 160 m elevation
SPRING
Mar 26
FALL
Nov 4

Rainbow City planting FAQ

When is the last spring frost in Rainbow City, AL?

Rainbow City's average last spring frost falls near March 19 — 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 Rainbow City, AL?

In Rainbow City, the first 32°F freeze of fall lands around November 13 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Rainbow City in?

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

How long is the growing season in Rainbow City?

Rainbow City has about 239 frost-free days — a long growing season — between the average last spring frost (March 19) and first fall frost (November 13).

When should I plant tomatoes in Rainbow City?

For Rainbow City, sow tomatoes indoors about January 22–February 5 and move the seedlings out around March 26, after the last spring frost.

Planting reminders

Never miss a window in Rainbow City

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

Nearby cities

8 within reach

Frost dates recorded at GADSDEN, 14 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 Rainbow City, AL — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00013154. Retrieved from https://blissgarden.com/alabama/rainbow-city.
When to Plant in Rainbow City, AL — Frost Dates & Zone 8a — BlissGarden