Stoneseed Pinyon, Mexican Piñon

Sun Exposure: Full sun, shade intolerant

Origin: Mexico, some population in the United States, in Arizona, New Mexico, and Texas

Growth Habits: Small to medium-sized evergreen shrub or tree, slow growing up to 10 to 25 feet tall (3-7.5 m), or more; blue- to gray-green needles in 3s, occasionally in 2s or in 4s, 0.8 to 2.4 inches long (2-6 cm), with edges finely toothed (they are smooth on the Pinus edulis needles)

Watering Needs: Little water, good drainage, good in desert soils, not adapted to wet soils

Propagation: Seeds

The female cones are ovoid or round, often covered with resin, they are alone, or sometimes by group of 5. They measure 2.4 to 3.2 inches long (6-8 cm) and are brownish orange when they ripen in the fall. The wingless seeds are about 0.5 inch long (1.2 cm).