Frost Dates for Aztec, NM 87410
Last spring frost May 21 · First fall frost September 30 · 132 frost-free days · USDA Zone 6b
ZIP 87410 has about 15,000 people.
Moderate season: 132 frost-free days. Spring frost risk spans April 29–June 11 (43 days). Fall frost risk spans September 14–October 15 (31 days).
Frost probability for 87410
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 11 | May 21 | April 29 |
| Fall (first frost) | September 14 | September 30 | October 15 |
Dates come from NOAA 1971–2000 freeze probabilities at AZTEC RUINS NM (10.1 km away); the 50% date is the median year.
Which crops fit a 132-day season in Aztec
In Aztec (132 frost-free days, a moderate season), 37 of 56 planner crops fit outright, 16 get two plantings, 2 need an indoor start, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 16 | Jun 4–Jun 11 | 90 | fits: 80 days to maturity, 90 available after Jun 4. | — |
| Pepper | Apr 9 | Jun 4–Jun 11 | 90 | fits: 75 days to maturity, 90 available after Jun 4. | Jun 5 |
| Lettuce | Mar 26 | Apr 23–Apr 30 | 167 | two-plantings: Plant Apr 23 and again by Aug 9; both mature before Oct 7. | Aug 9 |
| Carrots | — | Apr 30–May 7 | 174 | fits: 70 days to maturity, 174 available after Apr 30. | Jul 29 |
| Cucumber | Apr 30 | Jun 4–Jun 11 | 104 | fits: 60 days to maturity, 104 available after Jun 4. | Jul 4 |
| Beans | — | May 28–Jun 11 | 118 | fits: 60 days to maturity, 118 available after May 28. | Jul 11 |
| Peas | — | Mar 26–Jun 4 | 195 | fits: 65 days to maturity, 195 available after Mar 26. | Jul 20 |
| Zucchini | May 7 | Jun 4–Jun 11 | 104 | fits: 55 days to maturity, 104 available after Jun 4. | Jul 9 |
| Onion | Feb 26 | Apr 23–May 7 | 167 | fits: 100 days to maturity, 167 available after Apr 23. | — |
| Spinach | — | Mar 26–May 14 | 209 | two-plantings: Plant Mar 26 and again by Aug 28; both mature before Oct 21. | Aug 28 |
| Kale | Mar 12 | Apr 23–May 7 | 181 | two-plantings: Plant Apr 23 and again by Aug 13; both mature before Oct 21. | Aug 13 |
| Broccoli | Mar 26 | Apr 23–May 7 | 167 | fits: 80 days to maturity, 167 available after Apr 23. | Jul 5 |
| Cabbage | Mar 26 | Apr 23–May 7 | 181 | fits: 70 days to maturity, 181 available after Apr 23. | Jul 29 |
| Radish | — | Mar 26–Jun 18 | 195 | two-plantings: Plant Mar 26 and again by Aug 29; both mature before Oct 7. | Aug 29 |
| Beets | — | Mar 26–Jun 18 | 195 | two-plantings: Plant Mar 26 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Potatoes | — | May 7–May 14 | 153 | fits: 90 days to maturity, 153 available after May 7. | — |
| Garlic | — | Sep 30 | 237 | overwinter: Plant Sep 30 to Oct 21; harvest the following summer. | Oct 21 |
| Strawberry | — | Apr 16–Jun 11 | 188 | perennial: A perennial: plant Apr 16; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 23 | May 28–Jun 4 | 104 | fits: 75 days to maturity, 104 available after May 28. | Jun 12 |
| Pumpkin | May 7 | Jun 4–Jun 4 | 97 | head-start: Even planted out Jun 4, the outdoor season is about 3 days short; choose an early variety or grow under cover. | — |
| Cauliflower | Apr 9 | May 14–May 28 | 146 | fits: 75 days to maturity, 146 available after May 14. | Jul 10 |
| Swiss Chard | Mar 26 | May 7–May 7 | 153 | two-plantings: Plant May 7 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Arugula | — | Mar 26–Jun 18 | 209 | two-plantings: Plant Mar 26 and again by Aug 28; both mature before Oct 21. | Aug 28 |
| Brussel Sprouts | Mar 26 | Apr 23–May 7 | 181 | fits: 100 days to maturity, 181 available after Apr 23. | Jun 29 |
| Butternut Squash | May 7 | Jun 4–Jun 11 | 97 | head-start: Even planted out Jun 4, the outdoor season is about 3 days short; choose an early variety or grow under cover. | — |
| Eggplant | Apr 2 | Jun 4–Jun 11 | 90 | fits: 70 days to maturity, 90 available after Jun 4. | Jun 10 |
| Okra | Apr 23 | May 28–Jun 4 | 111 | fits: 55 days to maturity, 111 available after May 28. | Jul 9 |
| Basil | Apr 16 | Jun 11–Jun 11 | 97 | fits: 60 days to maturity, 97 available after Jun 11. | Jul 4 |
| Cilantro | — | Apr 23–May 14 | 167 | two-plantings: Plant Apr 23 and again by Aug 4; both mature before Oct 7. | Aug 4 |
| Parsley | Mar 12 | May 28–Jun 4 | 132 | fits: 70 days to maturity, 132 available after May 28. | Jul 15 |
| Celery | Mar 12 | May 28–Jun 11 | 132 | fits: 120 days to maturity, 132 available after May 28. | — |
| Scallions | Mar 12 | Apr 23–May 7 | 181 | two-plantings: Plant Apr 23 and again by Aug 8; both mature before Oct 21. | Aug 8 |
| Turnip | — | Apr 23–May 7 | 181 | two-plantings: Plant Apr 23 and again by Aug 18; both mature before Oct 21. | Aug 18 |
| Kohlrabi | — | Apr 9–Apr 23 | 195 | two-plantings: Plant Apr 9 and again by Aug 13; both mature before Oct 21. | Aug 13 |
| Bok Choy | Apr 23 | May 14–May 21 | 146 | two-plantings: Plant May 14 and again by Aug 9; both mature before Oct 7. | Aug 9 |
| Collards | Mar 12 | Apr 23–May 7 | 181 | two-plantings: Plant Apr 23 and again by Aug 8; both mature before Oct 21. | Aug 8 |
| Cantaloupe | May 7 | Jun 4–Jun 11 | 90 | fits: 85 days to maturity, 90 available after Jun 4. | — |
| Chives | Feb 26 | May 28–Jun 4 | 146 | fits: 90 days to maturity, 146 available after May 28. | — |
| Dill | — | Mar 26–Jun 18 | 195 | two-plantings: Plant Mar 26 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Oregano | Mar 12 | May 28–Jun 4 | 146 | fits: 80 days to maturity, 146 available after May 28. | — |
| Rosemary | Feb 26 | May 28–Jun 4 | 132 | fits: 80 days to maturity, 132 available after May 28. | — |
| Sage | Mar 26 | May 28–Jun 4 | 146 | fits: 75 days to maturity, 146 available after May 28. | — |
| Thyme | Mar 12 | May 28–Jun 4 | 146 | fits: 90 days to maturity, 146 available after May 28. | — |
| Calendula | Apr 9 | May 7–May 21 | 153 | two-plantings: Plant May 7 and again by Aug 4; both mature before Oct 7. | Aug 4 |
| Cosmos | Apr 23 | May 21–Jun 4 | 118 | fits: 60 days to maturity, 118 available after May 21. | Jul 4 |
| Lavender | Feb 26 | May 21–Jun 4 | 153 | fits: 90 days to maturity, 153 available after May 21. | — |
| Marigolds | Apr 9 | May 21–May 28 | 118 | two-plantings: Plant May 21 and again by Jul 14; both mature before Sep 16. | Jul 14 |
| Melons | May 7 | Jun 4–Jun 11 | 90 | fits: 85 days to maturity, 90 available after Jun 4. | — |
| Mint | — | May 21–Jun 4 | 153 | fits: 90 days to maturity, 153 available after May 21. | — |
| Nasturtiums | Apr 23 | May 21–May 28 | 118 | fits: 55 days to maturity, 118 available after May 21. | Jul 9 |
| Pole Beans | — | May 28–Jun 11 | 111 | fits: 65 days to maturity, 111 available after May 28. | Jun 29 |
| Spaghetti Squash | May 7 | Jun 4–Jun 11 | 97 | fits: 90 days to maturity, 97 available after Jun 4. | — |
| Sunflowers | — | May 21–Jun 4 | 118 | fits: 70 days to maturity, 118 available after May 21. | Jun 24 |
| Tomatillos | Mar 26 | May 28–Jun 4 | 97 | fits: 75 days to maturity, 97 available after May 28. | Jun 5 |
| Watermelon | May 7 | May 28–Jun 4 | 97 | fits: 80 days to maturity, 97 available after May 28. | May 31 |
| Yellow Squash | May 7 | Jun 4–Jun 11 | 104 | fits: 55 days to maturity, 104 available after Jun 4. | Jul 9 |
| Zinnias | Apr 23 | May 21–Jun 4 | 118 | fits: 60 days to maturity, 118 available after May 21. | Jul 4 |
Month by month in Aztec
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 26), Lavender (Feb 26), Onion (Feb 26), Rosemary (Feb 26). |
| March | Start indoors: Celery (Mar 12), Collards (Mar 12), Kale (Mar 12), Oregano (Mar 12), Parsley (Mar 12), Scallions (Mar 12), +8 more. Direct sow from: Arugula (Mar 26), Beets (Mar 26), Dill (Mar 26), Peas (Mar 26), Radish (Mar 26), Spinach (Mar 26). |
| April | Start indoors: Eggplant (Apr 2), Calendula (Apr 9), Cauliflower (Apr 9), Marigolds (Apr 9), Pepper (Apr 9), Basil (Apr 16), +8 more. Direct sow from: Kohlrabi (Apr 9), Cilantro (Apr 23), Turnip (Apr 23), Carrots (Apr 30). Transplant from: Broccoli (Apr 23), Brussel Sprouts (Apr 23), Cabbage (Apr 23), Collards (Apr 23), Kale (Apr 23), Lettuce (Apr 23), +2 more. Plant: Strawberry (Apr 16). |
| May | Start indoors: Butternut Squash (May 7), Cantaloupe (May 7), Melons (May 7), Pumpkin (May 7), Spaghetti Squash (May 7), Watermelon (May 7), +2 more. Direct sow from: Potatoes (May 7), Sunflowers (May 21), Beans (May 28), Pole Beans (May 28). Transplant from: Calendula (May 7), Swiss Chard (May 7), Bok Choy (May 14), Cauliflower (May 14), Cosmos (May 21), Lavender (May 21), +15 more. Last frost around May 21. Last sowing dates: Watermelon (May 31). |
| June | Transplant from: Butternut Squash (Jun 4), Cantaloupe (Jun 4), Cucumber (Jun 4), Eggplant (Jun 4), Melons (Jun 4), Pepper (Jun 4), +6 more. Last sowing dates: Pepper (Jun 5), Tomatillos (Jun 5), Eggplant (Jun 10), Corn (Jun 12), Sunflowers (Jun 24), Brussel Sprouts (Jun 29), +1 more. |
| July | Last sowing dates: Basil (Jul 4), Cosmos (Jul 4), Cucumber (Jul 4), Zinnias (Jul 4), Broccoli (Jul 5), Nasturtiums (Jul 9), +13 more. |
| August | Last sowing dates: Calendula (Aug 4), Cilantro (Aug 4), Collards (Aug 8), Scallions (Aug 8), Bok Choy (Aug 9), Lettuce (Aug 9), +6 more. |
| September | Direct sow from: Garlic (Sep 30). First frost around September 30. |
| October | Last sowing dates: Garlic (Oct 21). |
| November | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
Frequently Asked Questions
What is the last frost date for Aztec, NM (ZIP 87410)?
The median last spring frost date for Aztec, NM (ZIP code 87410) is around May 21. 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. One year in ten frost ends before April 29; one in ten it runs past June 11.
What is the first fall frost date in Aztec, NM?
The median first fall frost date for Aztec, NM is around September 30. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around September 14 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Aztec, NM?
The frost-free growing season in Aztec is about 132 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. In Aztec (132 frost-free days, a moderate season), 37 of 56 planner crops fit outright, 16 get two plantings, 2 need an indoor start, 1 crop is perennial.
What USDA hardiness zone is Aztec, NM?
Aztec, NM is in USDA hardiness zone 6b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Aztec, NM?
Start tomatoes indoors Apr 16 and plant out Jun 4 in Aztec. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Aztec?
Two: plant Apr 23 and again by Aug 9; both mature before Oct 7.
When do I plant garlic in Aztec?
Sep 30 to Oct 21; it overwinters and is ready the following summer.
Can I grow Butternut Squash in Aztec?
Yes, with help. Even planted out Jun 4, the outdoor season is about 3 days short; choose an early variety or grow under cover.
Which nearby ZIP has a longer season?
Shiprock (ZIP 87420) has 152 frost-free days, 20 more than Aztec (ZIP 87410). See Shiprock ZIP 87420 frost dates
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