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Pinus attenuata
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Knobcone Pine
( Pinus attenuata )
Pinus attenuata
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
Click on blue squares to see occurrence records.
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Estimated Plant Range (
?
)
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6 Nurseries Carry This Plant
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About Knobcone Pine (Pinus attenuata)
6 Nurseries Carry This Plant
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The Knobcone Pine (
Pinus attenuata
) is a tree that grows in mild climates on poor soils. It ranges from the mountains of southern Oregon to Baja California with the greatest concentration in northern California and the Oregon-California border. This pine reaches heights of 8-24 m; however, it can be a shrub on especially poor sites. It prefers dry rocky mountain soils. The crown is usually conical with a straight trunk. The bark is smooth, flaky and gray-brown when young, becoming dark gray-red-brown and shallowly furrowed into flat scaly ridges. The twigs are red-brown and often resinous.
Plant Description
Plant Type
Tree
Size
26.3 - 118 ft tall
Growth Rate
Fast, Moderate
Dormancy
Evergreen
Wildlife Supported
Butterflies & moths hosted ( 3
confirmed
, 100
likely
* )
SHOW ALL
Monterey Pine Shoot Moth
Exoteleia burkei
Exoteleia burkei
Nantucket Pine Tip Moth
Rhyacionia frustrana
Rhyacionia frustrana
Ponderosa Pineconeworm Moth
Dioryctria auranticella
Dioryctria auranticella
*
Pine White
Neophasia menapia
Neophasia menapia
*
Western Pine Elfin
Callophrys eryphon
Callophrys eryphon
*
White-lined Sphinx
Hyles lineata
Hyles lineata
*
Polyphemus moth
Antheraea polyphemus
Antheraea polyphemus
Landscaping Information
Sun
Full Sun, Part Shade
Moisture
Extremely Low, Very Low
Nurseries
Carried by 6
Ease of Care
Moderately Easy
Soil Drainage
Fast
Soil Description
Prefers gravelly, sandy soil
Common uses
Bank Stabilization, Deer Resistant, Bird Gardens
Propagation
?
For propagating by seed: 2 mos. stratification (USDA Forest Service 1974).
Sunset Zones
?
3, 4*, 5*, 6*, 7*, 10, 14*, 15*, 16*, 17*, 18, 19, 20, 21, 22, 23, 24*
Natural Setting
Site Type
Dry rocky mountain soils
Climate
Annual Precipitation: 14.6" - 158.0", Summer Precipitation: 0.19" - 5.78", Coldest Month: 11.6" - 54.4", Hottest Month: 34.8" - 77.6", Humidity: 0.28" - 26.69", Elevation: 17" - 13935"
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Knobcone Pine
Pinus attenuata
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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