When to plant in Jackson, MS
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Jackson, Mississippi — all computed from Jackson's nearest NOAA weather station.
With about 258 frost-free days, Jackson supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 8b means many perennials and even some tender shrubs overwinter in Jackson, while your frost dates still decide when annuals go out.
Frost probability
JACKSON HAWKINS FLD · 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 Jackson’s own odds, recorded at JACKSON HAWKINS FLD.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 7 | Mar 20 | Mar 2 | Oct 27 | Nov 9 | Nov 24 |
| 32°F | Mar 24 | Mar 6 | Feb 15 | Nov 4 | Nov 19 | Dec 10 |
| 28°F | Mar 13 | Feb 19 | Jan 23 | Nov 11 | Dec 4 | Jan 3 |
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 Jackson, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 31 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.
Jackson planting FAQ
When is the last spring frost in Jackson, MS?
Plan for the last spring frost in Jackson around March 6 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Jackson, MS?
The first fall frost in Jackson typically arrives around November 19 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Jackson in?
Jackson is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Jackson?
There are roughly 258 frost-free days in Jackson (a long growing season), running from the average last frost around March 6 to the first fall frost near November 19.
When should I plant tomatoes in Jackson?
In Jackson, start tomato seeds indoors around January 9–January 23, then transplant seedlings outdoors around March 13 once the danger of frost has passed.
Never miss a window in Jackson
An email when it’s time to start seeds, transplant, and sow — timed to Jackson’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at JACKSON HAWKINS FLD, 2 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 Jackson, MS — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013927. Retrieved from https://blissgarden.com/mississippi/jackson.