Native: Central Coast of California

General Notes:

Pinus radiata in Rohner Park is registered as a California Big Tree. It measures 160 feet high, with a trunk circumference of 221 inches and a crown spread of 87 feet.

Tree Characteristics

  • Shape: Conical, Rounded or Vase
  • Foliage: Evergreen, Needle, Dark Green
  • Height: 80 - 100 feet.
  • Width: 25 - 35 feet.
  • Flowers Inconspicuous. Flowers in Spring or Winter
  • Fruit/Cone: Brown Cone, Very Large (Over 3.00 inches), fruiting in Fall or Winter.
  • Bark: Light Gray or Red Brown, Fissured.
  • Shading Capacity: Moderately Dense in Leaf.
  • Litter Issue: Dry Fruit.

Tree Site Conditions & Constraints

  • Zones: Sunset 14 – 24, USDA Hardiness 7 - 10.
  • Exposure: Full Sun to Partial Shade.

Pests & Disease Information

  • Resistant: Oak Root Fungus, Texas Root Rot and Verticillium.
  • Susceptible: Aphids, Beetle Borers, California Five Spined Engraver Beetle, IPS, Spruce Spider Mite and California Flathead Borerand Scales, Oak Root Rot, Leaf Blight, Phytophthora, Root Rot, Black Stain, Mistletoe, Western Gall Rust and Pitch Canker.

Health, Safety & Environmental Concerns

  • Branch Strength: Medium Weak
  • Root Damage Potential: Moderate.
  • Health Hazard: Allergy
  • Biogenic Emissions: Low.
  • Attracts: Birds and Squirrels.

Source:

SelecTree. "Pinus radiata Tree Record." 1995-2018. Mar 14, 2018. < https://selectree.calpoly.edu/tree-detail/pinus-radiata >

 

 

Updated: June 20, 2023