Rocky Mountain Bristlecone Pine Tree

Botanical name: Pinus aristata
Family: Pinaceae

Click on images of Bristlecone Pine to enlarge.

bristlecone pine purple cone

A.K.A. Rocky Mountains Bristlecone, Colorado Bristlecone

  • Native
  • Evergreen
  • reaches a height of 15′-25′
  • irregular crown 12′-15′ in width
  • slow growth rate
  • Bristlecone pine Pinus aristata is capable of living in the wild for 1,500 – 2,450+ years. (oldest know Pinus longaeva is believed to be over 4,800 years of age).
  • Leaves are needle-like 1″-2″ long, grow in fascicles of 5
  • A unique identifying characteristic is the white resin that remains on the dark green to blueish green needles.
  • monoecious
  • Fruit is a cone that appears purple during early development turning yellow or brown as it matures.
  • thin cone scales are fragile and have a spine that look like a bristle at the end
  • great for small gardens
  • full to partial sun
  • adaptable to different soil conditions
  • tolerant of drought but not of air pollution
  • Plant Hardiness Zones 4-7