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Home > Pine > Ponderosa Pine

Ponderosa Pine

Ponderosa pine is a species of lean and erect coniferous trees distributed in the western US and Canada. It is one of the most abundant conifer species in America and is valued for its rugged-looking and resilient timber as well as for recreational use.

Ponderosa Pine Range

Ponderosa Pine Range

Scientific Classification

Kingdom Plantae
Division Pinophyta
Class Pinopsida
Order Pinales
Family Pinaceae
Genus Pinus
Subgenus Pinus
Scientific Name Pinus ponderosa
Western Yellow Pine

Western Yellow Pine

Ponderosa Pine Tree

Ponderosa Pine Tree

Quick Information

Other Names Western yellow pine, blackjack pine, bull pine
Subspecies Southwestern ponderosa pine (Pinus ponderosa subsp. brachyptera), Columbia ponderosa pine (Pinus ponderosa subsp. ponderosa), central High Plains ponderosa pine (Pinus ponderosa subsp. readiana)
Size Very large; trees reach up to 235 ft in height and 324 inches in circumference
Identification Leaves (Needles): Slender, flexible, occurring in groups of three, bright green, 12-20 cm long

Cones: Orange or yellow male cones, occur in small clusters at the tips of branches; oval and woody female cones, 8-15 cm long; scales have sharp, rigid prickles

Bark: Blackish-brown in young trees; yellow to orange-brown with broad, scaly plates in mature trees

Shape at Maturity Irregular, cylindrical
Distribution/Range Arizona, Colorado, Idaho, California, Montana, Nevada, North Dakota, Nebraska, Oregon, Texas, South Dakota, New Mexico, Oklahoma, Wyoming, Washington, Utah (USA); British Columbia (Canada); Coahuila, Sonora (Mexico)
Hardiness Zones 3-7
Growth Rate Medium; 13-24 in per year
Lifespan 300-600 years
Growing Conditions Winter Conditions: Tolerates extreme temperatures as low as -40° C

Summer Conditions: Average summer temperatures range from 17°-21° C

Rain: 280-1700 mm per year

Sunlight: Full sun

Soil Requirements: Moist, deep, loamy, well-drained, rocky, clayey loam, alkaline, salty, dry; mature trees are highly drought-tolerant

Diseases and Pests Dwarf mistletoe, black-stain root disease, western red rot, needle cast caused by E. deformans, limb rust, western gall rust, Comandra blister rust; insects like western pine beetle, bark beetle, western pineshoot borer, weevils, pandora moth, pine butterfly cause damage
Flowering/Fruiting Flowering starts in early May; pollens are shed from late May to mid-June, cones mature during July-August the following year, seeds ripen during August-September, seeds are shed before December
Breeding System Monoecious
Seed Production Begins after 7 years, continuing until 350 years of age
Seedling Development Epigeal germination, older seedlings tolerate limited moisture
Wildlife Value Chickadees, mourning doves, jays, finches, red-winged blackbirds, squirrels, turkeys, chipmunks feed on ponderosa pine seeds; needles and bark are used as nesting materials by spruce grouse and rodents; also serve as roosting or nesting site for different bird species
Varieties/Cultivars Pacific ponderosa pine (Pinus ponderosa var. pacifica), Rocky Mountains ponderosa pine (Pinus ponderosa var. scopulorum), Washoe pine (Pinus ponderosa var. washoensis)
Uses For lumber, landscape planting, buffer strip, windbreak; as ornamental trees including bonsai and Christmas trees; wood for making furniture
IUCN Conservation Status Least Concern
Ponderosa Pine

Ponderosa Pine

Ponderosa Pine Pictures

Ponderosa Pine Pictures

Interesting Facts

  • A Scottish nurseryman, Charles Lawson has been credited with naming and describing these pines, although their scientific name was first coined by David Douglas in 1829.
  • The deep taproot system of ponderosa pines makes them wind-resistant.
  • These pine trees give off a turpentine-like smell, indicating the presence of terpenes such as delta-3-carene, alpha- and beta-pinenes, etc.
  • In 1953, around 145 ponderosa trees were transported and planted in Area 5 to study the effects of exposure to the nuclear blast during the Operation Upshot-Knothole. The pines were partially damaged and blown over.
  • The US state of Montana has ponderosa pine as its official tree.
Ponderosa Pine Needles

Ponderosa Pine Needles

Ponderosa Pine Bonsai

Ponderosa Pine Bonsai

Ponderosa Pine Cones

Ponderosa Pine Cones

Ponderosa Pine Lumber

Ponderosa Pine Lumber

References:

  1. https://en.wikipedia.org/wiki/Pinus_ponderosa
  2. https://www.na.fs.fed.us/spfo/pubs/silvics_manual/Volume_1/pinus/ponderosa.htm
  3. https://www.arborday.org/TREES/treeguide/TreeDetail.cfm?ItemID=901
  4. https://www.nps.gov/brca/learn/nature/ponderosapine.htm
  5. https://www.iucnredlist.org/species/42401/2977432

Published on November 29th 2016 by admin under Pine.
Article was last reviewed on 5th December 2022.

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