ponderosa pine (Pinus ponderosa)

Native: Western North America.

General Notes:

Pinus ponderosa in Shasta Trinity National Forest is registered as a California Big Tree. It measures 232 feet high, with a trunk circumference of 313 inches and a crown spread of 70 feet.

Tree Characteristics

  • Shape: Conical
  • Foliage: Evergreen, Needle, Dark Green
  • Height: 50 - 100 feet.
  • Width: 25 - 30 feet.
  • Flowers: Inconspicuous. Flowers in Spring.
  • Fruit/Cones: Brown Cone, Very Large (Over 3.00 inches), fruiting in Fall, Winter or Summer.
  • Bark: Black, Orange or Red Brown, Furrowed or Scaly.
  • Shading Capacity: Moderately Dense in Leaf.
  • Litter Issue: Dry Fruit.

Tree Site Conditions & Constraints

  • Zones: Sunset 1 - 10 and 14 – 21, USDA Hardiness 5 - 9.
  • Exposure: Full Sun to Partial Shade.

Pests & Disease Information

  • Resistant: Texas Root Rot and Verticillium.
  • Susceptible: Aphids, California Five Spined Engraver Beetle, IPS, Red Turpentine Beetle, Western Pine Beetle, Western Pine Shoot Borer and Beetle Borers, Pitch Canker, Red Ring Rot, Pitted Sap Rot, Oak Root Rot, Mistletoe, Western Gall Rust, Mountain Pine Beetle and Black Stain.

Health, Safety & Environmental Concerns

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

Source:

SelecTree. "Pinus ponderosa Tree Record." 1995-2018. Mar 16, 2018.
< https://selectree.calpoly.edu/tree-detail/pinus-ponderosa >

 ponderosa pine