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New Mexico Planting Guide & Growing Season

New Mexico is in USDA hardiness zone with a growing season of 180 days. The average last spring frost is Mar 15 - May 15 and the average first fall frost is Sep 30 - Nov 1.

USDA Zone Hardiness zone
Last Frost Mar 15 - May 15 Average spring
First Frost Sep 30 - Nov 1 Average fall
Growing Season 180 days Moderate season

Growing Conditions in New Mexico

USDA Hardiness Zone
Average Last FrostMar 15 - May 15
Average First FrostSep 30 - Nov 1
Growing Season Length180 days

How New Mexico Compares

Compare New Mexico's growing conditions with states that have similar climates.

StateUSDA ZoneLast FrostFirst FrostSeason (days)
New Mexico (NM) Mar 15 - May 15Sep 30 - Nov 1180
Alabama (AL) Mar 1 - Apr 1Oct 25 - Nov 15220
Alaska (AK) May 15 - Jun 15Aug 15 - Sep 15105
Arizona (AZ) Feb 1 - Apr 15Oct 15 - Dec 15270
Arkansas (AR) Mar 15 - Apr 15Oct 15 - Nov 1210
California (CA) Jan 15 - Apr 15Oct 15 - Dec 31290

Frequently Asked Questions About Gardening in New Mexico

When should I start seeds indoors in New Mexico?

In New Mexico, the average last frost date is Mar 15 - May 15. Start most seeds indoors 6-8 weeks before this date. The USDA hardiness zone for New Mexico is undefined, with a growing season of approximately 180 days.

What USDA hardiness zone is New Mexico?

New Mexico falls in USDA hardiness zones undefined. This affects which perennial plants will survive winter and influences optimal planting times.

When is the first frost in New Mexico?

The average first frost date in New Mexico is Sep 30 - Nov 1. Plan to harvest cold-sensitive crops before this date or protect them with row covers.

How long is the growing season in New Mexico?

New Mexico has an average growing season of 180 days, from the last frost (Mar 15 - May 15) to first frost (Sep 30 - Nov 1). This moderate season works well for most common vegetables.

Plan Your Garden

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