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Pinus flexilis is often confused with:
Pinus strobus Pinus strobus
Plants that fill a similar niche:
Pinus glabra Pinus glabra
Quercus hemisphaerica Form
Pinus ponderosa Pinus ponderosa

Rocky Mountain Pine Pinus flexilis

Other Common Name(s):

Phonetic Spelling
PY-nus FLEKS-il-iss
Description

Typically a dense pyramid when young, becoming more open with age.  Its needles live for 5 to 6 years.  It grows best in moist, well-drained soil, but is very adaptable to other situations.  When young, it is easy to transplant, however with age forms a large taproot.  It is a long-lived good shade tree.  Its young shoots can be bent without breaking. The branches are flexible, not prone to storm damage.

It is susceptible to white pine blister rust, a bark disease that is usually fatal.

Cultivars / Varieties:
  • 'Extra Blue'
    More intense blue color and fast growing
  • 'Glauca'
    More vivid blue-green needles
  • 'Glauca Pendula'
    Wise spread irrigular shrub, tends to sprawl.
  • 'Vanderwolf's Pyramid'
    Upright form, more rapid growth
Tags:
#evergreen#shade tree#drought tolerant#native tree#conifer#winter interest#deer resistant#acidic soil tolerant#alkaline soil tolerant#dry soils tolerant
 
Cultivars / Varieties:
  • 'Extra Blue'
    More intense blue color and fast growing
  • 'Glauca'
    More vivid blue-green needles
  • 'Glauca Pendula'
    Wise spread irrigular shrub, tends to sprawl.
  • 'Vanderwolf's Pyramid'
    Upright form, more rapid growth
Tags:
#evergreen#shade tree#drought tolerant#native tree#conifer#winter interest#deer resistant#acidic soil tolerant#alkaline soil tolerant#dry soils tolerant
  • Attributes:
    Genus:
    Pinus
    Species:
    flexilis
    Family:
    Pinaceae
    Recommended Propagation Strategy:
    Root Cutting
    Seed
    Country Or Region Of Origin:
    Southwest Canada to western US
    Wildlife Value:
    Birds, browsers, and small mammals consume the seeds
    Edibility:
    Edible fruit
    Dimensions:
    Height: 30 ft. 0 in. - 60 ft. 0 in.
    Width: 15 ft. 0 in. - 35 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Tree
    Leaf Characteristics:
    Needled Evergreen
    Habit/Form:
    Dense
    Pyramidal
    Growth Rate:
    Medium
    Maintenance:
    Low
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Drainage:
    Good Drainage
    Available Space To Plant:
    more than 60 feet
    NC Region:
    Mountains
    Piedmont
    Usda Plant Hardiness Zone:
    4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b
  • Flowers:
    Flower Color:
    Brown/Copper
    Flower Value To Gardener:
    Edible
    Flower Size:
    3-6 inches
    Flower Description:
    Erect cones when young, turn light brown.
  • Leaves:
    Leaf Characteristics:
    Needled Evergreen
    Leaf Color:
    Blue
    Green
    White
    Leaf Value To Gardener:
    Showy
    Leaf Type:
    Needles
    Simple
    Leaf Shape:
    Linear
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    1-3 inches
    Leaf Description:
    Dark bluish-green needles in bundles of 5. All side have 3 to 4 white lines. Sharp-pointed.
  • Bark:
    Bark Color:
    Dark Brown
    Light Gray
    Surface/Attachment:
    Ridges
    Smooth
    Bark Description:
    Light gray, nearly smooth, becoming dark brown and cross-checkered with age into scaly plates and ridges.
  • Stem:
    Stem Color:
    Brown/Copper
    Red/Burgundy
    Stem Is Aromatic:
    No
    Stem Description:
    Tough, smooth and flexible.
  • Landscape:
    Landscape Location:
    Meadow
    Naturalized Area
    Recreational Play Area
    Woodland
    Landscape Theme:
    Native Garden
    Winter Garden
    Design Feature:
    Accent
    Screen/Privacy
    Shade Tree
    Specimen
    Resistance To Challenges:
    Deer