Santa Fe, NM planting zone & frost dates

Santa Fe is in USDA hardiness zone 6b. The last spring frost usually comes around May 14 and the first fall frost around October 6, for a growing season of about 144 days.

USDA hardiness zone6bavg. extreme winter low -5°F to 0°F
Average last spring frostMay 1490% chance of no frost after May 28
Average first fall frostOctober 610% chance of frost by September 25
Growing season144 daysfrost-free days in an average year

Planting calendar for Santa Fe

Dates are counted from the average last spring frost (May 14) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

CropWhen
TomatoesStart seeds indoors: Mar 19 – Apr 2
Transplant outdoors: May 21 – May 28
PeppersStart seeds indoors: Mar 5 – Mar 19
Transplant outdoors: May 28 – Jun 4
EggplantStart seeds indoors: Mar 5 – Mar 19
Transplant outdoors: May 28 – Jun 4
BroccoliStart seeds indoors: Mar 5 – Mar 19
Transplant outdoors: Apr 16 – Apr 30
CabbageStart seeds indoors: Mar 5 – Mar 19
Transplant outdoors: Apr 16 – Apr 30
Onions (sets)Plant outdoors: Apr 16 – Apr 30
PeasSow outdoors: Apr 2 – Apr 16
SpinachSow outdoors: Apr 2 – Apr 16
LettuceSow outdoors: Apr 16 – Apr 30
CarrotsSow outdoors: Apr 16 – Apr 30
PotatoesPlant outdoors: Apr 16 – Apr 30
BeansSow outdoors: May 21 – May 28
Sweet cornSow outdoors: May 21 – May 28
CucumbersSow outdoors: May 21 – May 28
Squash & zucchiniSow outdoors: May 21 – May 28
BasilStart seeds indoors: Apr 2 – Apr 16
Transplant outdoors: May 21 – May 28

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 11 (8 weeks before the average first fall frost on Oct 6).

Useful for zone 6b gardens

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Frost risk in detail

90% chance50% chance10% chance
Last 32°F frost in spring is afterApr 30May 14May 28
First 32°F frost in fall is beforeOct 18Oct 6Sep 25

How to read it: in spring there is a 10% chance of a frost after May 28, so that is a safe date for tender plants. In fall there is a 10% chance of frost before September 25. A hard freeze (28°F) usually ends around May 3.

Hardiness zone by ZIP code in Santa Fe

Nearby cities

All cities in New Mexico → · Other zone 6b cities →

Questions

What growing zone is Santa Fe, NM?

Santa Fe is in USDA Plant Hardiness Zone 6b (average extreme winter low -5°F to 0°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 7a.

When is the last frost in Santa Fe?

The average last spring frost (32°F) in Santa Fe is May 14. There is still a 10% chance of frost until May 28.

When can I plant tomatoes in Santa Fe?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around May 21 – May 28. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Santa Fe 2, NM (USC00298085), 8.2 km (5.1 mi) from the city center, elevation 2059 m, based on 27 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.