Glenwood, NM frost dates
How Glenwood compares
- In 8 years out of 10, the last spring frost in Glenwood falls between April 21 and May 20, a 29-day window. The first fall frost falls between October 7 and October 30.
- The median last frost is 3 days later than the New Mexico median of May 3.
- Its 165-day growing season is longer than 50% of the 349 New Mexico places with a regular frost season (state median 164 days).
- The last frost is 20 days later than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 130 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 21 |
| 50% (median) | May 6 |
| 10% (safe for tender plants) | May 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 7 |
| 50% (median) | October 18 |
| 90% (late) | October 30 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Glenwood, NM
Glenwood, NM frost dates — last frost May 6, first frost Oct 18, zone 7a. whenisthelastfrost.com
When to plant vegetables in Glenwood, NM
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 11 – Feb 25 | Apr 8 – Apr 22 | — | — |
| Peppers | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Eggplant | Feb 25 – Mar 11 | May 20 – Jun 3 | — | — |
| Tomatoes | Mar 11 – Mar 25 | May 13 – May 27 | — | — |
| Lettuce | Mar 11 – Mar 25 | Apr 15 – Apr 29 | Apr 8 – May 13 | Aug 23 – Sep 20 |
| Kale | Mar 11 – Mar 25 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | Aug 9 – Aug 30 |
| Broccoli | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jul 12 – Aug 2 |
| Cabbage | Mar 11 – Mar 25 | Apr 15 – Apr 29 | — | Jul 12 – Aug 2 |
| Cauliflower | Mar 11 – Mar 25 | Apr 22 – May 6 | — | Jul 12 – Aug 2 |
| Okra | Mar 25 – Apr 8 | May 27 – Jun 10 | May 27 – Jun 10 | — |
| Basil | Mar 25 – Apr 8 | May 13 – May 27 | — | — |
| Peas | — | — | Mar 25 – Apr 15 | Jul 26 – Aug 16 |
| Spinach | — | — | Mar 25 – Apr 15 | Aug 23 – Sep 13 |
| Radishes | — | — | Apr 1 – May 13 | Sep 6 – Sep 27 |
| Cucumbers | Apr 8 – Apr 15 | May 20 – May 27 | May 13 – May 27 | Aug 2 – Aug 16 |
| Zucchini & Summer Squash | Apr 8 – Apr 15 | — | May 13 – May 27 | Aug 9 – Aug 23 |
| Winter Squash & Pumpkins | Apr 8 – Apr 15 | — | May 13 – May 27 | — |
| Melons & Watermelon | Apr 8 – Apr 15 | May 20 – Jun 3 | — | — |
| Carrots | — | — | Apr 15 – May 13 | Jul 26 – Aug 9 |
| Beets | — | — | Apr 15 – May 13 | Aug 9 – Aug 23 |
| Potatoes | — | — | Apr 15 – May 6 | — |
| Swiss Chard | — | — | Apr 22 – May 20 | Aug 9 – Aug 23 |
| Cilantro | — | — | Apr 22 – May 13 | Aug 23 – Sep 13 |
| Green Beans | — | — | May 13 – Jun 3 | Aug 2 – Aug 16 |
| Sweet Corn | — | — | May 13 – May 27 | — |
| Sweet Potatoes | — | May 20 – Jun 10 | — | — |
| Garlic | — | — | — | Oct 4 – Nov 8 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Glenwood, NM weather station, 10 km away (elevation 4,724 ft (1,440 m)).
Frost dates near Glenwood
- Mule Creek May 6 · Oct 18
- Buckhorn May 9 · Oct 15
- Cliff May 9 · Oct 15
- Gila May 9 · Oct 15
- Reserve May 30 · Oct 3
- Luna Jun 17 · Sep 21
- Aragon May 30 · Oct 3
- Redrock Apr 30 · Oct 23
- Pinos Altos Apr 4 · Nov 8
- Tyrone Apr 4 · Nov 8
Frequently asked questions
When is the last frost in Glenwood, NM?
The median last spring frost in Glenwood, NM is May 6. There is still about a 10% chance of frost after May 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Glenwood, NM?
The median first fall frost is October 18, with about a 10% chance of frost before October 7.
How long is the growing season in Glenwood, NM?
About 165 days between the median last spring frost and first fall frost.
What planting zone is Glenwood, NM?
Glenwood, NM is in USDA hardiness zone 7a.