Scientific Name:
Pinus flexilis
'Vanderwolf's Pyramid'
Pronunciation:
PYE-nus FLECKS-ih-lis
Common Name:
limber pine, Vanderwolf's pyramid pine
Family Name:
Pinaceae
Plant Type:
Conifer
Key ID Features:
Needles 5 per fascicle, 4-9cm long x 1-1.5mm wide, twisted, silvery blue-green, persistent for 5-6 years; male cones red; female cones yellow-ochre, ovoid 7-15cm long; seeds 10-15mm long, brown, wingless or nearly so. Conifers.org
Habit:
Dense, Twiggy, Upright
Form:
Pyramidal - narrowly
Texture:
Fine
Mature Height:
7 - 10m
Mature Spread:
4 - 5m
Growth Rate:
Slow
Origin:
B.C. east of Cascades, Garden origin, U.S. - southwest
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Rocky or gravelly or dry
Landscape Uses:
Hedge row, Native planting, Screening, Shade tree, Specimen plant, Tall background, Wind break
Additional Info:
Leaf Morphology:
Form:
Needle-like
Arrangement:
Fascicles
Texture/Venation:
Soft flexible
Surfaces:
Colour in Summer:
Bluish
Colour in Fall:
Bluish
Shapes:
Acicular
Margins:
Inflorescence Type:
n/a (male cone)
Flower Morphology:
Monoecious plant
Colour (petals):
Male cone, No flowers, Yellow
Flower Time at Peak:
Apr, May
Fruit Type:
Cone (winged seeds)
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep, Oct
Additional Info:
Showy, Persistent, rarely form locally
Bark Morphology:
Smooth, Lightly fissured, Single stem trunk
Bark or Stem Colour:
Grey
Leaf Bud Type:
Ovoid
Organ Modifications:
Ectomycorrhizae
Pest Susceptibility:
(Deer resistant, Drought tolerant)
Course(s):
- HORT 2355
Location(s):
- (TFL) Turf Field Lab
- (TFLW) Turf Field Lab West
- (WDH) Wark-Dumais House