When to plant in Jacksonville, AR
USDA Zone 8aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Jacksonville, Arkansas — all computed from Jacksonville's nearest NOAA weather station.
With about 245 frost-free days, Jacksonville supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. In zone 8a, Jacksonville supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
LITTLE ROCK · 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 Jacksonville’s own odds, recorded at LITTLE ROCK.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 16 | Mar 28 | Mar 10 | Oct 23 | Nov 6 | Nov 21 |
| 32°F | Apr 2 | Mar 16 | Feb 27 | Oct 31 | Nov 16 | Dec 2 |
| 28°F | Mar 21 | Mar 4 | Feb 16 | Nov 10 | Nov 27 | Dec 17 |
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 Jacksonville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Jacksonville planting FAQ
When is the last spring frost in Jacksonville, AR?
On average, the last spring frost in Jacksonville is around March 16 (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 Jacksonville, AR?
In Jacksonville, the first 32°F freeze of fall lands around November 16 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Jacksonville in?
Jacksonville is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Jacksonville?
Jacksonville has about 245 frost-free days — a long growing season — between the average last spring frost (March 16) and first fall frost (November 16).
When should I plant tomatoes in Jacksonville?
For Jacksonville, sow tomatoes indoors about January 19–February 2 and move the seedlings out around March 23, after the last spring frost.
Never miss a window in Jacksonville
An email when it’s time to start seeds, transplant, and sow — timed to Jacksonville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sherwood · 7 km
- North Little Rock · 14 km
- Cabot · 14 km
- Maumelle · 25 km
- Little Rock · 27 km
- Conway · 38 km
- Bryant · 44 km
- Benton · 52 km
Frost dates recorded at LITTLE ROCK, 13 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 Jacksonville, AR — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003952. Retrieved from https://blissgarden.com/arkansas/jacksonville.