When to plant in Roswell, NM
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Roswell, New Mexico — all computed from Roswell's nearest NOAA weather station.
In zone 7b, Roswell supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
ROSWELL CLIMAT · 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 Roswell’s own odds, recorded at ROSWELL CLIMAT.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 7 | Apr 25 | Apr 12 | Oct 8 | Oct 21 | Nov 3 |
| 32°F | Apr 28 | Apr 13 | Mar 31 | Oct 16 | Oct 30 | Nov 11 |
| 28°F | Apr 16 | Mar 31 | Mar 11 | Oct 25 | Nov 6 | Nov 20 |
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 Roswell, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 15 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.
Roswell planting FAQ
When is the last spring frost in Roswell, NM?
Plan for the last spring frost in Roswell around April 13 (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 Roswell, NM?
The first fall frost in Roswell typically arrives around October 30 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Roswell in?
Roswell is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Roswell?
Roswell has about 200 frost-free days — a moderate growing season — between the average last spring frost (April 13) and first fall frost (October 30).
When should I plant tomatoes in Roswell?
For Roswell, sow tomatoes indoors about February 16–March 2 and move the seedlings out around April 20, after the last spring frost.
Never miss a window in Roswell
An email when it’s time to start seeds, transplant, and sow — timed to Roswell’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at ROSWELL CLIMAT, 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 Roswell, NM — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00297605. Retrieved from https://blissgarden.com/new-mexico/roswell.