Field guide
Piñon pine (Pinus edulis)
jotor at Flickr · CC BY-SA 2.0

also Two-needle piñon · Colorado pinyon

Piñon pine

Pinus edulis

Family:
Pinaceae
Elevation:
5,000 ft – 7,500 ft
Region:
Southwest

New Mexico's state tree — a compact, rounded pine that produces the prized piñon nut in good years. Paired with juniper across millions of acres of high desert.

Care · tuned to the Southwest

Water

Drought tolerant once established; a deep monthly soak in the first two summers speeds establishment, then rainfall. Overwatering invites root disease.

Sun & exposure

Full sun.

Soil

Rocky, alkaline, sharply drained. Intolerant of wet or compacted ground.

In the Southwest

Vulnerable to piñon ips bark beetle during prolonged drought — keep trees vigorous with occasional deep watering in extreme dry spells, and never pile fresh-cut piñon wood beside living trees (it breeds beetles). Nut crops are heavy only every few years.

Common problems & fixes

  • Piñon ips bark beetle — drought-stressed trees brown and die fast

    Fix — Keep trees deeply watered during drought to hold vigor, and remove and destroy infested wood promptly.

  • Black stain root disease — a fungal root disease spread by root grafts and insects

    Fix — Avoid root wounding and soil disturbance, minimize drought stress, and remove infected trees.

Pets & toxicity

Non-toxic.

Easy to confuse with

  • Ponderosa pine (P. ponderosa) — long needles, higher elevation
  • Junipers — scale leaves, not needles

Sources

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