When to plant in Alexandria, LA
USDA Zone 9aAlexandria, Louisiana frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
With about 273 frost-free days, Alexandria supports back-to-back plantings; stagger sowings every few weeks to keep beds productive spring through fall. Zone 9a is warm enough that Alexandria can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
ALEXANDRIA · 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 Alexandria’s own odds, recorded at ALEXANDRIA.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 2 | Mar 12 | Feb 21 | Oct 31 | Nov 14 | Dec 1 |
| 32°F | Mar 18 | Feb 27 | Jan 31 | Nov 7 | Nov 27 | Dec 19 |
| 28°F | Mar 8 | Feb 8 | Jan 6 | Nov 18 | Dec 13 | Jan 10 |
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 Alexandria, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 10 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.
Alexandria planting FAQ
When is the last spring frost in Alexandria, LA?
On average, the last spring frost in Alexandria is around February 27 (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 Alexandria, LA?
The first fall frost in Alexandria typically arrives around November 27 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Alexandria in?
Alexandria is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Alexandria?
There are roughly 273 frost-free days in Alexandria (a long growing season), running from the average last frost around February 27 to the first fall frost near November 27.
When should I plant tomatoes in Alexandria?
In Alexandria, start tomato seeds indoors around January 2–January 16, then transplant seedlings outdoors around March 6 once the danger of frost has passed.
Never miss a window in Alexandria
An email when it’s time to start seeds, transplant, and sow — timed to Alexandria’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Pineville · 8 km
- Natchitoches · 77 km
- Opelousas · 93 km
- Natchez · 107 km
- Carencro · 117 km
- Crowley · 120 km
- Lafayette · 128 km
- Moss Bluff · 130 km
Frost dates recorded at ALEXANDRIA, 3 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 Alexandria, LA — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00160098. Retrieved from https://blissgarden.com/louisiana/alexandria.