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Las Cruces, New Mexico planting calendar and frost dates

Las Cruces is in USDA hardiness zone 8b. The last spring frost typically comes around March 12 and the first fall frost around November 13, giving about 241 frost-free days a year.

Hardiness zone
Zone 8b (parts in 8a, 7b)
Typical last frost
March 12
Typical first frost
November 13
Frost-free season
241 days

Frost dates in Las Cruces

Last spring frost

  • February 23Risky: frost later than this in 9 years out of 10
  • March 12Typical: a later frost in half of years
  • April 2Safe: a later frost only 1 year in 10

First fall frost

  • October 30Risky: frost earlier than this 1 year in 10
  • November 13Typical: an earlier frost in half of years
  • November 24Late: frost before this in 9 years out of 10

The growing season between the typical last and first frosts is about 241 days. Frost here means a low of 32°F at the weather station. A hard freeze (28°F), which damages most hardy crops too, typically ends around February 26 and returns around November 24.

NOAA U.S. Climate Normals 1991-2020 for State Univ, 2.4 miles SSE of the city center. Low-lying and rural spots often frost later in spring and earlier in fall than airports and city centers.

What to plant each month in Las Cruces

  1. January

    Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, chives, cilantro, collard greens, ginger, kale, leeks, lettuce, marigolds, nasturtiums, onions, oregano, parsley, peppers, petunias, ranunculus, rosemary, sage, snapdragons, spinach, swiss chard

    Plant or sow outdoors: black-eyed susans, blueberries, garlic, grapes, grass seed, hollyhocks, onions, peas, poppies, raspberries, rhubarb, strawberries, turnips, wildflowers

  2. February

    Start indoors: basil, celery, cilantro, eggplants, marigolds, nasturtiums, peppers, ranunculus, spinach, swiss chard, tomatoes

    Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, blueberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, collard greens, dahlias, dill, figs, garlic, gladioli, grapes, grass seed, green onions, hollyhocks, kale, leeks, lettuce, onions, parsley, peas, poppies, potatoes, radishes, ranunculus, raspberries, rhubarb, roses, snapdragons, spinach, strawberries, swiss chard, turnips, wildflowers

  3. March

    Start indoors: basil, cantaloupes, cosmos, cucumbers, okra, pumpkins, watermelons, winter squash, zucchini

    Plant or sow outdoors: asparagus, beets, carrots, cauliflower, chives, cilantro, dahlias, dill, figs, garden mums, ginger, gladioli, grapes, green onions, kentucky bluegrass, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, oregano, parsley, perennial ryegrass, petunias, ranunculus, rosemary, roses, sage, snapdragons, spinach, sunflowers, sweet corn, sweet peas, swiss chard, tall fescue, thyme

  4. April

    Start indoors: cosmos, okra, zinnias

    Plant or sow outdoors: asparagus, basil, bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, garden mums, ginger, green beans, green onions, okra, peanuts, peppers, pumpkins, st. augustinegrass, sunflowers, sweet potatoes, tomatoes, watermelons, winter squash, zoysiagrass, zucchini

  5. May

    Plant or sow outdoors: bermudagrass, celery, centipedegrass, cosmos, green onions, okra, peanuts, st. augustinegrass, sweet potatoes, zinnias, zoysiagrass

  6. June

    Plant or sow outdoors: bermudagrass, centipedegrass, zoysiagrass

  7. July

    Plant for fall: peppers, potatoes, tomatoes

  8. August

    Plant for fall: bearded irises, broccoli, brussels sprouts, carrots, collard greens, cucumbers, green beans, lettuce, peas, peppers, snapdragons, sweet corn, swiss chard, tomatoes, zucchini

  9. September

    Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, collard greens, coneflowers, daylilies, hostas, hydrangeas, kale, lettuce, peas, radishes, roses, saffron, snapdragons, spinach, swiss chard, turnips, zucchini

  10. October

    Plant for fall: azaleas, bearded irises, cabbages, cauliflower, clematis, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, hydrangeas, kale, kentucky bluegrass, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, roses, saffron, spinach, tall fescue, tulips

  11. November

    Start indoors: onions

    Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips

  12. December

    Start indoors: broccoli, cauliflower, collard greens, kale, leeks, onions, petunias, ranunculus

Frost dates and zones by ZIP code in Las Cruces

All 5 of Las Cruces's main ZIP codes take their frost dates from State Univ, so the dates on this page apply across the city. The hardiness zone is 7b in 88012, and 8a in 88005, and 8b in 88001, 88007, 88011.

ZIP codeZoneWeather stationTypical last frostTypical first frost
880018bState Univ, 2.4 mi SSEMar 12Nov 13
880058aState Univ, 2.4 mi SSEMar 12Nov 13
880078bState Univ, 2.4 mi SSEMar 12Nov 13
880118bState Univ, 2.4 mi SSEMar 12Nov 13
880127bState Univ, 2.4 mi SSEMar 12Nov 13

Planting dates for popular crops in Las Cruces

PlantStart indoorsPlant or sow outdoorsFall planting
TomatoesFeb 9 to 23Apr 6 to 20Jul 31 to Aug 7
Strawberries—Jan 29 to Feb 12—
LettuceJan 15 to 29Mar 5 to 19Aug 14 to Sep 18
CilantroJan 29 to Feb 12Mar 12 to 19—
BasilFeb 16 to Mar 2Apr 6 to 13—
Potatoes—Feb 21 to 28Jul 24 to 31
Garlic—Jan 29 to Feb 12Nov 13 to 27
OnionsNov 20 to Jan 1Feb 12 to 26—
CucumbersMar 9 to 23Apr 6 to 20Aug 14 to 28
PumpkinsMar 9 to 23Apr 6 to 20—
PeppersJan 19 to Feb 16Apr 6 to 20Jul 24 to Aug 21
Carrots—Feb 19 to Mar 12Aug 21 to Sep 11
Sweet Potatoes—Apr 29 to May 6—
WatermelonsMar 2 to 16Apr 6 to 20—
Sweet Corn—Mar 12 to 26Aug 7 to 21
Green Beans—Apr 6 to 20Aug 21 to 28
ZucchiniMar 9 to 23Apr 6 to 20Aug 21 to Sep 4
BroccoliDec 25 to Jan 15Feb 12 to 26Aug 28 to Sep 25
Peas—Jan 29 to Feb 12Aug 21 to Sep 4
SpinachJan 29 to Feb 5Mar 5 to 19Sep 4 to Oct 9
Sunflowers—Mar 12 to Apr 2—
ZinniasApr 17 to 24May 15 to 29—
Tulips——Oct 2 to Nov 27
Daffodils——Oct 2 to Nov 13
Grass Seed—Jan 29 to Feb 12Oct 2 to 16

Nearby cities

Planting in New MexicoAbout zone 8bPrintable calendar for Las Cruces

Questions

When is the last frost in Las Cruces?

Around March 12 in a typical year, based on NOAA's 1991-2020 records for State Univ. There is still a 1 in 10 chance of frost after April 2.

What planting zone is Las Cruces in?

USDA hardiness zone 8b (2023 map), with parts of the city in zone 8a and 7b. The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.

When should I plant tomatoes in Las Cruces?

Start seeds indoors February 9 to 23 and set plants out April 6 to 20.

When is the first frost in Las Cruces?

Around November 13 in a typical year, and before October 30 about 1 year in 10.