Frost Dates for Alamogordo, NM 88311
Alamogordo has 2 ZIP codes. The Alamogordo, NM frost page lists all of them with their dates.
Last spring frost April 10 · First fall frost November 2 · 206 frost-free days · USDA Zone 8a
Frost probability for 88311
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 24 | April 10 | March 27 |
| Fall (first frost) | October 16 | November 2 | November 18 |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (29.9 km away); the 50% date is the median year.
Month by month in Alamogordo
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start peppers and eggplant indoors 8–10 weeks before your last frost (around April 10). Start tomatoes about two weeks later, 6–8 weeks before last frost. |
| March | Start herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable. |
| April | Last frost around April 10. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings. |
| May | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| June | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| July | Harvest regularly to encourage production. Monitor for pests and disease. |
| August | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| September | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| October | First fall frost approaching (around November 2). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| November | First frost around November 2. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season. |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
What grows in a 206-day season
Frequently Asked Questions
What is the last frost date for Alamogordo, NM (ZIP 88311)?
The median last spring frost date for Alamogordo, NM (ZIP code 88311) is around April 10. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.
What is the first fall frost date in Alamogordo, NM?
The median first fall frost date for Alamogordo, NM is around November 2. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.
How long is the growing season in Alamogordo, NM?
The frost-free growing season in Alamogordo is about 206 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.
What USDA hardiness zone is Alamogordo, NM?
Based on frost date patterns, Alamogordo falls approximately in 8a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.
When should I start tomatoes indoors in Alamogordo, NM?
Start tomato seeds indoors 6–8 weeks before your last frost date (around April 10). For Alamogordo, that's roughly February 14 to February 28. Transplant outdoors 1–2 weeks after your last frost.
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