When to plant in Gulfport, MS
USDA Zone 9aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Gulfport, Mississippi — all computed from Gulfport's nearest NOAA weather station.
A generous ~283-day season lets Gulfport gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. In zone 9a, frost is a minor factor for Gulfport — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
GULFPORT - BILOXI AP · 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 Gulfport’s own odds, recorded at GULFPORT - BILOXI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 30 | Mar 9 | Feb 16 | Nov 3 | Nov 18 | Dec 7 |
| 32°F | Mar 16 | Feb 23 | Jan 25 | Nov 12 | Dec 3 | Jan 5 |
| 28°F | Mar 5 | Feb 1 | Jan 5 | Nov 28 | Dec 31 | Jan 23 |
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 Gulfport, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 7 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.
Gulfport planting FAQ
When is the last spring frost in Gulfport, MS?
Plan for the last spring frost in Gulfport around February 23 (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 Gulfport, MS?
In Gulfport, the first 32°F freeze of fall lands around December 3 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Gulfport in?
Gulfport is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Gulfport?
Gulfport has about 283 frost-free days — a long growing season — between the average last spring frost (February 23) and first fall frost (December 3).
When should I plant tomatoes in Gulfport?
For Gulfport, sow tomatoes indoors about December 29–January 12 and move the seedlings out around March 2, after the last spring frost.
Never miss a window in Gulfport
An email when it’s time to start seeds, transplant, and sow — timed to Gulfport’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Long Beach · 12 km
- Biloxi · 13 km
- D'Iberville · 17 km
- Ocean Springs · 27 km
- Bay St. Louis · 30 km
- Gautier · 39 km
- Pascagoula · 50 km
- Moss Point · 51 km
Frost dates recorded at GULFPORT - BILOXI AP, 1 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 Gulfport, MS — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093874. Retrieved from https://blissgarden.com/mississippi/gulfport.