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Photo Credits:
W. Mark, J. Reimer, and E. Oldar

Photo Locations:
Cal Poly State University - San Luis Obispo, CA, The National Arboretum - Washington, DC, Tilden Regional Parks Botanic Garden - Berkeley, CA and Heaps Peak Arboretum, San Bernardino National Forest

COULTER PINE
Pinus coulteri

General Notes

     Drought resistant. Huge cones, 12 inches or more in size, can be dangerous. Native to Southern California and Northern Baja California.
     A Pinus coulterii in Julian is registered as a California Big Tree. It measures 141 feet high, with a trunk circumference of 152 inches and a crown spread of 72 feet.
  List all Pinaceae | Pinus

• Pinus coulteri - Pinaceae
• Native To: Southern California and Northern Baja California
• Habit: Erect or Spreading and covers an Extensive Area.
  Has Evergreen foliage.
• Shape: Conical
• Sunset Zones: 3 - 10 and 14 - 23
• USDA Hardiness Zones: 8 - 9
• Exposure: Full Sun to Partial Shade
• Water Needs: Moist to Dry Soil. Drought tolerant.
• Soil Type: Clay, Loam or Sand
• Soil pH: Highly Acidic to Slightly Alkaline
• Seaside Tolerance: Good in Mild Zone
• Height: 65 feet
• Growth Rate: 24 to 36 Inches per Season
• Longevity: Greater than 150 years
• Leaves: Needle Gray Green or Dark Green. Evergreen.
• Flowers: Inconspicuous. Flowers in Spring. Has separate male and female flowers on the same tree (monoecious).
• Cone: Brown Very Large (Over 3.00 inches), fruiting in Fall or Winter.
• Bark: Black or Dark Brown, Furrowed or Scaly
• Pest & Disease: Resistant to Texas Root Rot and Verticillium. Susceptible to Aphids and Beetle Borers, Pitch Canker More information …
• Shading Capacity: Rated as Moderately Dense in Leaf
• Branch Strength: Rated as Medium
• Litter Issue: Dry Fruit
• Root Damage Potential: Rated as Moderate
• Health Hazard: Allergy
• Biogenic Emissions: Moderate

Cite This Page:
SelecTree. "Pinus coulteri Tree Record." 1995-2012. May 23, 2013.
< http://selectree.calpoly.edu/treedetail.lasso?rid=1041 >