Roy, NM frost dates
Last spring frostApr 30median date
First fall frostOct 15median date
Growing season168 daysfrost-free
Hardiness zone6bZone 6b
How Roy compares
- In 8 years out of 10, the last spring frost in Roy falls between April 16 and May 11, a 25-day window. The first fall frost falls between October 3 and October 26.
- The median last frost is 3 days earlier than the New Mexico median of May 3.
- Its 168-day growing season is longer than 52% of the 349 New Mexico places with a regular frost season (state median 164 days).
- The last frost is 8 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 136 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 16 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 3 |
| 50% (median) | October 15 |
| 90% (late) | October 26 |
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 Roy, NM
Roy, NM frost dates — last frost Apr 30, first frost Oct 15, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Feb 5 to Feb 19Transplant outside: Apr 2 to Apr 16
Start indoors: Feb 19 to Mar 5Transplant outside: May 14 to May 28
Start indoors: Feb 19 to Mar 5Transplant outside: May 14 to May 28
Start indoors: Mar 5 to Mar 19Transplant outside: May 7 to May 21
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 9 to Apr 23Sow outdoors: Apr 2 to May 7Plant for fall: Aug 20 to Sep 17
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 2 to Apr 16Sow outdoors: Apr 2 to Apr 16Plant for fall: Aug 6 to Aug 27
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 9 to Apr 23Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 5 to Mar 19Transplant outside: Apr 16 to Apr 30Plant for fall: Jul 9 to Jul 30
Start indoors: Mar 19 to Apr 2Transplant outside: May 21 to Jun 4Sow outdoors: May 21 to Jun 4
Start indoors: Mar 19 to Apr 2Transplant outside: May 7 to May 21
Sow outdoors: Mar 19 to Apr 9Plant for fall: Jul 23 to Aug 13
Sow outdoors: Mar 19 to Apr 9Plant for fall: Aug 20 to Sep 10
Sow outdoors: Mar 26 to May 7Plant for fall: Sep 3 to Sep 24
Start indoors: Apr 2 to Apr 9Transplant outside: May 14 to May 21Sow outdoors: May 7 to May 21Plant for fall: Jul 30 to Aug 13
Start indoors: Apr 2 to Apr 9Sow outdoors: May 7 to May 21Plant for fall: Aug 6 to Aug 20
Start indoors: Apr 2 to Apr 9Sow outdoors: May 7 to May 21
Start indoors: Apr 2 to Apr 9Transplant outside: May 14 to May 28
Sow outdoors: Apr 9 to May 7Plant for fall: Jul 23 to Aug 6
Sow outdoors: Apr 9 to May 7Plant for fall: Aug 6 to Aug 20
Sow outdoors: Apr 9 to Apr 30
Sow outdoors: Apr 16 to May 14Plant for fall: Aug 6 to Aug 20
Sow outdoors: Apr 16 to May 7Plant for fall: Aug 20 to Sep 10
Sow outdoors: May 7 to May 28Plant for fall: Jul 30 to Aug 13
Sow outdoors: May 7 to May 21
Transplant outside: May 14 to Jun 4
Plant for fall: Oct 1 to Nov 5
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Roy, NM
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 20 – Sep 17 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 6 – Aug 27 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 9 – Jul 30 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 9 – Jul 30 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 9 – Jul 30 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 23 – Aug 13 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 20 – Sep 10 |
| Radishes | — | — | Mar 26 – May 7 | Sep 3 – Sep 24 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Jul 30 – Aug 13 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 6 – Aug 20 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 23 – Aug 6 |
| Beets | — | — | Apr 9 – May 7 | Aug 6 – Aug 20 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 6 – Aug 20 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 20 – Sep 10 |
| Green Beans | — | — | May 7 – May 28 | Jul 30 – Aug 13 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Oct 1 – Nov 5 |
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 Roy, NM weather station, 2 km away (elevation 5,745 ft (1,751 m)).
Frost dates near Roy
- Solano Apr 30 · Oct 15
- Mills Apr 30 · Oct 15
- Mosquero May 3 · Oct 12
- Gladstone May 5 · Oct 7
- Wagon Mound May 18 · Oct 1
- Springer Apr 30 · Oct 11
- Conchas Dam Apr 4 · Nov 2
- Valmora May 18 · Oct 1
- Garita Apr 4 · Nov 2
- Miami Apr 30 · Oct 11
Frequently asked questions
When is the last frost in Roy, NM?
The median last spring frost in Roy, NM is April 30. There is still about a 10% chance of frost after May 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Roy, NM?
The median first fall frost is October 15, with about a 10% chance of frost before October 3.
How long is the growing season in Roy, NM?
About 168 days between the median last spring frost and first fall frost.
What planting zone is Roy, NM?
Roy, NM is in USDA hardiness zone 6b.