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Roswell, NM Planting Calendar

The last spring frost in Roswell usually comes around Mar 29 and the first fall frost around Nov 3, a growing season of about 219 days. Start tomatoes indoors Feb 15 – Mar 1 and plant them outside Apr 12 – Apr 26.

Last spring frostMar 29
First fall frostNov 3
Growing season219 days

When to plant vegetables in Roswell

VegetableStart seeds indoorsPlant outsideFall crop
TomatoesFeb 15 – Mar 1Apr 12 – Apr 26—
PeppersFeb 8 – Feb 22Apr 19 – May 3—
EggplantFeb 8 – Feb 22Apr 19 – May 3—
Cucumbers—Apr 12 – Apr 26—
Zucchini & summer squash—Apr 12 – Apr 26—
Pumpkins & winter squash—Apr 19 – May 3—
Green beans—Apr 12 – Apr 26Aug 11 – Aug 25
Sweet corn—Apr 12 – Apr 26—
BasilMar 1 – Mar 15Apr 12 – Apr 26—
LettuceFeb 1 – Feb 15Mar 1 – Apr 12Sep 8 – Sep 22
Spinach—Feb 15 – Mar 8Sep 8 – Sep 22
Peas—Feb 15 – Mar 8Aug 25 – Sep 8
Carrots—Mar 1 – Apr 5Aug 11 – Aug 25
Radishes—Feb 22 – Apr 12Sep 22 – Oct 6
BroccoliJan 18 – Feb 1Mar 1 – Mar 15Aug 11 – Aug 25
KaleFeb 1 – Feb 15Feb 22 – Mar 8Aug 25 – Sep 8
Onions—Mar 1 – Mar 15—
Potatoes—Mar 8 – Apr 5—
Garlic——Oct 20 – Nov 24

Dates count from the median frost dates (2016–2025) for Roswell. In a cold spring, wait a week; in a warm one you can go a week early.

Month-by-month planting in Roswell

  1. JanuaryStart indoors: Broccoli
  2. FebruaryStart indoors: Tomatoes, Peppers, Eggplant, Lettuce, Broccoli, KalePlant outside: Spinach, Peas, Radishes, Kale
  3. MarchStart indoors: Tomatoes, BasilPlant outside: Lettuce, Spinach, Peas, Carrots, Radishes, Broccoli, Kale, Onions, Potatoes
  4. AprilPlant outside: Tomatoes, Peppers, Eggplant, Cucumbers, Zucchini & summer squash, Pumpkins & winter squash, Green beans, Sweet corn, Basil, Lettuce, Carrots, Radishes, Potatoes
  5. MayPlant outside: Peppers, Eggplant, Pumpkins & winter squash
  6. JunePlan, order seeds and prepare beds.
  7. JulyPlan, order seeds and prepare beds.
  8. AugustPlant outside: Green beans, Peas, Carrots, Broccoli, Kale
  9. SeptemberPlant outside: Lettuce, Spinach, Peas, Radishes, Kale
  10. OctoberPlant outside: Radishes, Garlic
  11. NovemberPlant outside: Garlic
  12. DecemberPlan, order seeds and prepare beds.

Tools for this season

Seed starting kitTrays with humidity domes for starting seeds indoors.See options on AmazonLED grow lightKeeps indoor seedlings short and sturdy.See options on AmazonFrost clothCovers tender plants on a surprise frost night.See options on AmazonSoil thermometerCheck the soil at 4 inches before you spread anything.See options on Amazon

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Frequently asked questions

When is the last frost in Roswell?

The median last spring frost is Mar 29 and the median first fall frost is Nov 3, based on 2016–2025 weather data.

When should I plant tomatoes in Roswell?

Start seeds indoors Feb 15 – Mar 1 and set plants outside Apr 12 – Apr 26, once nights stay above 50°F.

When should I plant a fall garden in Roswell?

Sow or transplant cool-season crops 6 to 12 weeks before the first fall frost (around Nov 3): broccoli and carrots first, lettuce, spinach and radishes last.

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