SelecTree: Tree Detail
Pinus contorta subsp. bolanderi
Photo Locations: San Jacinto, CA, Rancho Santa Ana Botanic Gardens - Claremont, CA, Tilden Regional Parks Botanic Garden - Berkeley, CA, UC Berkeley Botanic Garden - Berkeley, CA, Finch Arboretum - Spokane, WA and Hoyt Arboretum - Portland, OR
Best in coastal areas. A dwarf pine that gows natively in northern coastal California in nutrient-poor soils. Good in small gardens.
Native to Western North America from California up to Canada.
A Pinus contorta subsp. bolanderi in Jughandle State Reserve is registered as a California Big Tree. It measures 76 feet high, with a trunk circumference of 58 inches and a crown spread of 18 feet.
Additional Common Names
BEACH PINE, SHORE PINE
Erect or Spreading with a Low Canopy.
Has Evergreen foliage.
Height: 20 - 35 feet.
Width: 20 - 35 feet.
Growth Rate: 36 Inches per Year.
Longevity Greater than 150 years.
Leaves Needle, Dark Green, No Change, Evergreen.
Flowers Inconspicuous. Flowers in Spring or Summer. Has separate male and female flowers on the same tree (monoecious).
Brown or Yellow Cone, Medium (0.50 - 1.50 inches), fruiting in Fall or Winter.
Bark Orange, Purple or Red Brown, Furrowed or Scaly.
Shading Capacity Rated as Dense in Leaf.
Litter Issue is Dry Fruit.
Tree Site Conditions & Constraints
Sunset Zones 4 - 9 and 14 - 24; A3.
USDA Hardiness Zones 6 - 8.
Exposure Full Sun to Partial Shade.
Loam or Sand Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Salinity Tolerance is Moderate on Coast.
Seaside Tolerance is Good in Moderate Zone.
Pests & Disease Information
Resistant to Verticillium. Susceptible to Aphids, Beetle Borers, Mountain Pine Beetle, Red Turpentine Beetle and Leaf Miner, Armillaria, Root Rot and Pitch Canker.
Health, Safety & Environmental Concerns
Branch Strength Rated as Strong.
Root Damage Potential Rated as Moderate.
Allergy Health Hazard.
Biogenic Emissions considered Moderate.
Attracts Birds and Squirrels.
Not Deer Palatable.
Special Uses & Values
Cite this tree:
SelecTree. "Pinus contorta subsp. bolanderi Tree Record." 1995-2018. Aug 16, 2018.
< https://selectree.calpoly.edu/tree-detail/pinus-contorta-bolanderi >