This fact sheet discusses sunscald, a significant problem that causes wounding on the trunk of many thin barked trees in cold winter climates. It includes a discussion of why it happens and describes how you can reduce or prevent its occurrence. Sunscald or southwest winter injury presents a significant threat to the trunks and [...]
Root Crown and Root Investigations Base Investigation and Clearing Root Flares Using the Air-Spade® The Air-Spade is a hand-held soil excavation tool connected to a large air compressor. The high pressure stream of air is funneled through a small nozzle breaking dense soils apart into small particles. By using air to excavate soil, delicate roots, [...]
Introduced from Europe around 1900, this pest is now common throughout eastern North America wherever true firs are grown. Infestations are also present along the Pacific West Coast. Hosts: All true firs, Abies, can be attacked but balsam fir and Fraser fir are the most common firs trees attacked. Both western and eastern Hemlocks [...]
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