When to plant in D'Iberville, MS
USDA Zone 9aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for D'Iberville, Mississippi — all computed from D'Iberville's nearest NOAA weather station.
D'Iberville enjoys a long ~305-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9a is warm enough that D'Iberville can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in D'Iberville is now 7 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
BILOXI · 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 D'Iberville’s own odds, recorded at BILOXI.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 20 | Mar 1 | Feb 6 | Nov 6 | Nov 26 | Dec 23 |
| 32°F | Mar 11 | Feb 12 | Jan 18 | Nov 16 | Dec 14 | Jan 11 |
| 28°F | Feb 28 | Jan 27 | Jan 2 | Dec 2 | Jan 2 | Jan 27 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in D'Iberville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
D'Iberville planting FAQ
When is the last spring frost in D'Iberville, MS?
On average, the last spring frost in D'Iberville is around February 12 (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 D'Iberville, MS?
The first fall frost in D'Iberville typically arrives around December 14 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is D'Iberville in?
D'Iberville is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in D'Iberville?
There are roughly 305 frost-free days in D'Iberville (a long growing season), running from the average last frost around February 12 to the first fall frost near December 14.
When should I plant tomatoes in D'Iberville?
In D'Iberville, start tomato seeds indoors around December 18–January 1, then transplant seedlings outdoors around February 19 once the danger of frost has passed.
Never miss a window in D'Iberville
An email when it’s time to start seeds, transplant, and sow — timed to D'Iberville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Biloxi · 4 km
- Ocean Springs · 11 km
- Gulfport · 17 km
- Gautier · 23 km
- Long Beach · 27 km
- Pascagoula · 34 km
- Moss Point · 35 km
- Bay St. Louis · 46 km
Frost dates recorded at BILOXI, 12 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 D'Iberville, MS — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00220792. Retrieved from https://blissgarden.com/mississippi/diberville.