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Field guide
New Mexico agave (Agave neomexicana)
Wikimedia Commons (Agave parryi, a close relative)

also Mescal

New Mexico agave

Agave neomexicana

Family:
Asparagaceae
Elevation:
4,000 ft – 6,500 ft
Bloom:
Jun – Jul
Region:
Southwest

A compact, cold-hardy agave forming tidy gray-green rosettes with dark spine-tipped leaves, native to the grasslands and rocky slopes of New Mexico and adjacent regions. In summer it throws a branched flower stalk with yellow blooms before the parent rosette dies.

Care · tuned to the Southwest

Water

Very drought tolerant once established; needs no supplemental water in most years. Occasional deep watering in a dry spring aids establishment, but soggy soil rots the crown. Shrugs off monsoon rain where drainage is good.

Sun & exposure

Full sun; tolerates reflected heat and high-elevation intensity. Light shade is acceptable but not needed.

Soil

Prefers gravelly, rocky, well-drained soil; thrives on poor, alkaline, and caliche ground. Sharp drainage is essential in winter.

In the Southwest

One of the more cold-hardy agaves, tolerating hard high-desert winters and suited to elevations where Agave americana fails. Monocarpic, dying after flowering, but offsets form clumps. Leaf tips bear stiff terminal spines and toothed margins; keep away from walkways.

Common problems & fixes

  • Agave snout weevil — rosette collapses and topples with grubs tunneling at the base

    Fix — Use a preventive spring systemic drench and promptly dig out and destroy infested rosettes and grubs.

  • Crown rot from overwatering — soft, mushy center in wet or poorly drained soil

    Fix — Grow in lean, sharply drained soil and water infrequently, keeping water out of the crown.

Pets & toxicity

Contains saponins and oxalates; the sap irritates skin, mouth, and digestive tract and can cause drooling and vomiting if chewed, while the terminal spines cause puncture injuries to pets and livestock.

Easy to confuse with

  • Agave parryi — broader, more silvery leaves in a tighter rosette
  • Agave americana — far larger and frost-tender

Sources

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