There are approximately 110 species in this genus and nearly all are in the Northern hemisphere. The Eastern White Pine has soft needles and is tolerant to air pollution and salts. The decaying needles make the soil beneath the tree very acidic, which can suppress the growth of other plant species. Considered to be the largest pine in the United States but is often short lived in zones 7-8. Two very serious pests include white pine blister rust, which eventually kills the tree and the white pine beetle, which kills the terminal shoots. In the 17th and 18th centuries, Eastern white pine was reserved for British royal navy ship masts.

Bark: Thin, smooth, gray-green when young, becoming darker with age. Develops deeply furrowed longitudinally into broad scaly ridges.

Foliage: Five needles per fascicle. Bluish-green, 2 - 4 inch long with white stomatic lines on the two inner surfaces.

Flowers: Monoecious, staminate clustered, yellow; pistillate pink.

Fruit: Cones. Three to 8 inch long by 1 1/2 inch wide. Light brown in color. Mature in autumn second year. Produces cones at an early age, sometimes when not more than 10 feet high.

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More Information

Tree ID Number:	846
Scientific Name:	Pinus strobus
Mature Height:	50-80 feet
Canopy Spread (Diameter):	20-40 feet
Branching Shape:	Symmetrical, pyramidal.
Growth Rate:	Fast
Wood Strength:
Cold Hardiness Zone:	3-7
Soil Moisture Requirements:	Moist, Dry
Light Requirements:	Sun, Part or Dappled Shade
Common Pests:	Two serious pests include the White Pine blister rust (bark disease) and White Pine weevil.
Comments:	Excellent ornamental specimen, good for parks, estates and large properties. One of the fastest growing landscape pines.

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