SelecTree: Tree Detail
SINGLELEAF PINYON PINE
Photo Locations: Ruth Bancroft Garden - Walnut Creek, CA, Lockwood Valley, CA, Tilden Regional Parks Botanical Garden - Berkeley, CA, Rancho Santa Ana Botanic Garden - Claremont, CA, Santa Barbara Botanic Garden - Santa Barbara, CA and Arnold Arboretum - Boston, MA
Drought resistant. A source of edible pine nuts.
Native to Southwestern United States and Northwestern Mexico.
A Pinus monophylla in Inyo County is registered as a California Big Tree. It measures 45 feet high, with a trunk circumference of 164 inches and a crown spread of 40 feet.
Erect or Spreading with a Low Canopy.
Conical or Rounded Shape.
Has Evergreen foliage.
Height: 15 - 30 feet.
Width: 20 feet.
Growth Rate: 12 Inches per Year.
Longevity Greater than 150 years.
Leaves Needle, Gray Green, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
Brown Cone, Large (1.50 - 3.00 inches), fruiting in Summer or Fall Edible.
Bark Red Brown, Fissured.
Shading Capacity Rated as Moderately Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 2 - 12 and 14 - 21.
USDA Hardiness Zones 6 - 8.
Exposure Full Sun to Partial Shade.
Moist to Dry Soil.
Clay, Loam or Sand Texture.
Highly Acidic to Highly Alkaline Soil pH.
Seaside Tolerance is Good in Mild Zone.
Pests & Disease Information
Resistant to Verticillium. Susceptible to Aphids, Armillaria and Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Medium.
Root Damage Potential Rated as Low.
Allergy Health Hazard.
Biogenic Emissions considered Moderate.
Attracts Birds and Squirrels.
Not Deer Palatable.
Special Uses & Values
Bonsai or Hedged.
Cite this tree:
SelecTree. "Pinus monophylla Tree Record." 1995-2018. May 20, 2018.
< https://selectree.calpoly.edu/tree-detail/pinus-monophylla >