Tree

Pine species

  • Pinus spp.
  • Lifeform: Tree
  • Fire Resistance: Poor
  • Height: Up to 175'
  • Native: Yes
Pine species
Pine species

Knobcone Pine, Coulter Pine, Bishop Pine, Monterey Pine, Gray Pine, Pond Pine, Scots Pine, Torrey Pine, and many others.

Pine trees (Pinus spp.) are the most common coniferous tree worldwide, numbering around 100 species. These trees form large forests characterized by wide open areas with sunlight spilling to the forest floor. Pines are sun-loving trees that do not grow well under shady conditions.

All pines are prone to fire, and may contribute significantly to wildfires.

Only the Bishop pine (pinus muricata) is a Marin native. The Bishop Pine has a very restricted range: mostly California, USA, including some offshore islands, and a few locations in Baja California, Mexico, and always on or near the coast, from Trinidad Head in Humboldt County, California south to San Vicente in Baja California. The mature trees grow to a height of 15-25 meter, rarely up to 34 meter, with a trunk diameter of up to 1.2 meter. The species is often smaller, stunted and twisted in coastal exposures. It is drought-tolerant and grows on dry, rocky soil. P. muricata has been used in plantations with resultant growth rates higher than in the wild, but with adverse impacts to biodiversity. The common name Bishop Pine resulted from the tree having been first identified near the Mission of San Luis Obispo. This tree has a large number of common names and other prior scientific names, due primarily to numerous variant forms. Other common pines are Knobcone Pine, Coulter Pine, Bishop Pine, Monterey Pine, Gray Pine, Pond Pine, Scots Pine, Torrey Pine.

Care & Maintenance:

Pine trees are not recommended due to their fire prone nature.  Consider removing pine trees within 100' of structures or 15' of roadways.  If a pine tree must be maintained in the defensible space zone (within 100' of structures), extreme care should be taken to reduce the associated wildfire hazard.  

Remove all limbs within 10' of the ground, or 1/3 the height of the tree if less than 30' tall

Remove all dead wood and twiggy growth regularly

Provide canopy separation so that no limbs touch nearby trees or plants

Remove all "ladder fuels," shrubs, and immature trees growing below

Remove fallen needles and detritus regularly

Remove any needles or limbs which fall on the roofs of nearby buildings, and repeat regularly during fire-season

Learn more about Pine species

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Pine species Pinus spp.

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