When to plant in Ruston, LA
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Ruston, Louisiana — all computed from Ruston's nearest NOAA weather station.
Ruston enjoys a long ~250-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 8b, Ruston supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average last spring frost in Ruston is now 12 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
RUSTON LA TECH · 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 Ruston’s own odds, recorded at RUSTON LA TECH.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 14 | Mar 27 | Mar 6 | Oct 21 | Nov 4 | Nov 21 |
| 32°F | Mar 31 | Mar 11 | Feb 18 | Oct 31 | Nov 16 | Dec 4 |
| 28°F | Mar 17 | Feb 24 | Jan 29 | Nov 10 | Dec 1 | Dec 26 |
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 Ruston, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 34 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.
Ruston planting FAQ
When is the last spring frost in Ruston, LA?
Ruston's average last spring frost falls near March 11 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Ruston, LA?
In Ruston, 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 Ruston in?
Ruston is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Ruston?
Ruston has about 250 frost-free days — a long growing season — between the average last spring frost (March 11) and first fall frost (November 16).
When should I plant tomatoes in Ruston?
For Ruston, sow tomatoes indoors about January 14–January 28 and move the seedlings out around March 18, after the last spring frost.
Never miss a window in Ruston
An email when it’s time to start seeds, transplant, and sow — timed to Ruston’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Claiborne · 41 km
- West Monroe · 45 km
- Monroe · 52 km
- Minden · 60 km
- El Dorado · 76 km
- Bossier City · 96 km
- Natchitoches · 99 km
- Magnolia · 99 km
Frost dates recorded at RUSTON LA TECH, 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 Ruston, LA — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00168067. Retrieved from https://blissgarden.com/louisiana/ruston.