White Pine

Pinus strobus L.


        

          

All photographs are copyrighted and are the property of E. Brunner.


Family:  Pinaceae

Native or Introduced to Illinois:  native

Natural Habit in Illinois:  moist woods

Leaf:  The leaves are needles 3 to 5 inches long, bluish green on the upper surface, whitish beneath and occurring in bundles of five. The needles remain on the tree for two years.

Cone:  The cone is slender, gradually tapering, 3 to 6 inches long with the ends of the cone scales prominently light tan to whitish and smooth. Cones are fully grown in the summer of the second season, opening to discharge seed that autumn.

Twig/Bark:  On small branches and twigs, the bark is smooth. On older branches and the trunk, it breaks into broad, flat topped ridges and is dark gray.

Size/Form/Shape:   The white pine is a large, straight-stemmed tree with a pyramidal crown. It grows 50 to 100 feet tall. It usually grows where there are limestone outcroppings and porous soils with good internal drainage.

County Distribution Map for Illinois:  

 

Sources for the Sullivan Middle School Tree Identification Guide were obtained though the use of the following sites:


The information below is from the National Arbor Day Foundation.  This information can be viewed in the original (source) form by visiting The National Arbor Day Foundation at http://www.arborday.org.

GROWING REQUIREMENTS/RATE
Sun Exposure:  Full sun to partial shade
Soil Type:  fertile, moist, well-drained soils
Growth Rate:  fast

Hardiness Zones:  3 - 8
The White Pine can be expected to grow in the temperature extremes of the zones shown in color in this arborday.org hardiness zone map.