Las Cruces, New Mexico, features two USDA Hardiness Zones: 8a (10°F to 15°F / -12.2°C to -9.4°C) and 8b (15°F to 20°F / -9.4°C to -6.7°C), according to latest USDA update(2023).
With zone 8b being the most prevalent throughout the city. The planting zones in Las Cruces, New Mexico are listed below.
- Zone 8b (15 to 20°F / -9.4 to -6.7°C): Zone 8b is the dominant planting zone in Las Cruces, covering Downtown, Mesilla, Alameda Historic District, Foothills, and Sonoma Ranch.
- Zone 8a (10 to 15°F / -12.2 to -9.4°C): Zone 8a primarily covers the East Mesa area.
To locate your Las Cruces, New Mexico, USDA zone use our three tools given below, zipcode to planting zone search tool, interactive map, or planting zone table.
Las Cruces Planting Zones by ZipCode
Las Cruces Planting Zones Map
Select or type your Las Cruces location in the search box below to find its planting zone.
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Las Cruces Planting Zones Table
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Las Cruces Planting Zones
The planting zones in Las Cruces, New Mexico are given below.
Zone 8b (15 to 20°F / -9.4 to -6.7°C)
Zone 8b is the dominant planting zone in Las Cruces, covering most neighborhoods including Downtown Las Cruces, Mesilla, Alameda Historic District, Foothills, and Sonoma Ranch. Zone 8b has minimum temperatures ranging from 15 to 20°F (-9.4 to -6.7°C). Zone 8b is good for growing plants like citrus trees, hibiscus.
Zone 8a (10 to 15°F / -12.2 to -9.4°C)
Zone 8a in Las Cruces primarily covers the East Mesa area. Zone 8a has minimum temperatures ranging from 10 to 15°F (-12.2 to -9.4°C). Zone 8a is suitable for growing cold-hardy perennials, vegetables, and ornamental plants that can withstand slightly colder winter temperatures than those in zone 8b.
Trying to research growing Hydrangeas in the Picacho area of Las Cruces. Any ideas, help would be appreciated. Thanks. jn
Hi John,
Honest answer: most hydrangea types struggle in Las Cruces because of our alkaline soil and dry heat — NMSU specifically doesn’t recommend them, and the classic mophead types (Hydrangea macrophylla) you see in catalogs won’t survive here.
The exception is panicle hydrangea (H. paniculata) — the only species that genuinely tolerates alkaline soil, full sun, and high heat. Proven Winners specifically recommends it for dry, alkaline-soiled regions including New Mexico. Look at ‘Limelight’ or ‘Limelight Prime’.
Las Cruces sits in USDA zones 7b–8b depending on elevation. Picacho Hills at ~4,137 ft is slightly cooler than central Las Cruces, but cold hardiness isn’t a concern — paniculata is hardy to zone 3.
Setup tips:
Worth a stop at Guzman’s Greenhouse — they’ll know what’s currently stocked and proven locally for our area.
Hope that helps — let me know how they do.
— Sheela