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When to plant in Jonesboro, AR

USDA Zone 7b

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

Zone 7b means many perennials and even some tender shrubs overwinter in Jonesboro, while your frost dates still decide when annuals go out.

Station · JONESBORO MUNI AP · 3.2 km
Last spring frost
March 23
50% chance · 32°F
First fall frost
November 9
50% chance · 32°F
Growing season
231 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for JonesboroA year-band showing 32°F frost risk from January to December for Jonesboro: last spring frost around March 23, first fall frost around November 9, about 231 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

The average last spring frost in Jonesboro is now 6 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →

Frost probability

JONESBORO MUNI AP · 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 Jonesboro’s own odds, recorded at JONESBORO MUNI AP.

Frost-probability curves for JonesboroProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 23 and the first fall frost around November 9, giving about 231 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 4Mar 18Oct 17Oct 30Nov 11
32°FApr 9Mar 23Mar 7Oct 27Nov 9Nov 26
28°FMar 30Mar 10Feb 22Nov 5Nov 20Dec 8

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 1 days
Brussels Sprouts
July 20August 3
Fall sowin 15 days
Rutabaga
August 3August 17

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

Nearby weather stations

3 within 29 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.

JONESBORO MUNI AP
Primary
3 km · 80 m elevation
SPRING
Mar 23
FALL
Nov 9
JONESBORO 2 NE
4 km · 95 m elevation
SPRING
Apr 1
FALL
Nov 1
PARAGOULD 1S
29 km · 82 m elevation
SPRING
Mar 26
FALL
Nov 6

Jonesboro planting FAQ

When is the last spring frost in Jonesboro, AR?

On average, the last spring frost in Jonesboro is around March 23 (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 Jonesboro, AR?

In Jonesboro, the first 32°F freeze of fall lands around November 9 on average. Time your last harvests and any season-extension cover before it.

What hardiness zone is Jonesboro in?

Jonesboro is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.

How long is the growing season in Jonesboro?

There are roughly 231 frost-free days in Jonesboro (a long growing season), running from the average last frost around March 23 to the first fall frost near November 9.

When should I plant tomatoes in Jonesboro?

In Jonesboro, start tomato seeds indoors around January 26–February 9, then transplant seedlings outdoors around March 30 once the danger of frost has passed.

Planting reminders

Never miss a window in Jonesboro

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

Nearby cities

8 within reach

Frost dates recorded at JONESBORO MUNI AP, 3 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 Jonesboro, AR — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003953. Retrieved from https://blissgarden.com/arkansas/jonesboro.