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The P&PDL Picture of the Week

Contorted White Pine

Contorted PineBy Rosie Lerner, Consumer Horticulture Specialist & Master Gardener State Coordinator

What's causing this white pine to have twisted, curled needles throughout the entire tree? Could it be herbicide injury? Could it be an insect or disease problem? In this particular case, the growth is NORMAL! Yes, indeed, this is a cultivar of white pine that is supposed to be twisted and curled. Pinus strobus 'Contorta' stays relatively small compared to typical white pine trees, reaching about 15-20 feet at maturity.

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Last updated: 11 May 2001/tlm.
The Plant & Pest Diagnostic Laboratory at Purdue University.