Any arborist worth their sawdust will tell you that trees have a greater tendency to break where structural defects are present, or during storms with high winds and precipitation. …but then there is summer limb drop (SLD) -- also known as ‘sudden’ limb drop which is equally appropriate. This poorly-understood phenomenon defies conventional thinking about … Continue reading Timely Tree Tips: Summer Limb Drop
Live Crown Ratio (LCR) is a simple yet important concept to be aware of when assessing or working with trees. The LCR for any given tree is derived by dividing the vertical length of the tree’s live crown by the total height of the tree. We then multiply that result by 100 to convert the … Continue reading Timely Tree Tips – Live Crown Ratio and the Value of Low Branches
Thanks to research demonstrating the many benefits of trees in cities, your community’s percentage of tree canopy cover can be considered a measure of community health, vitality, and quality. Each of Washington’s largest cities has assessed their tree canopy percentage in recent years: Seattle (28%) Spokane (22%) Tacoma (19%) Vancouver (18%) Many smaller cities in … Continue reading Timely Tree Tips–Tree Canopy Enhancement
There is much discussion in Washington state these days about carbon and climate change. In 2014 Governor Jay Inslee proposed a cap-and-trade program for carbon emissions; last year he introduced a carbon tax proposal and this year he’s brought a similar plan forward. These efforts are aimed at the problem of atmospheric carbon emissions, primarily … Continue reading Timely Tree Tips — Climate, Carbon, and Community Trees
PROS: Small trees have skyrocketed in popularity, most importantly thanks to utility companies. Trees no taller than 25-35 feet will not grow up into overhead power lines, which reduces tree-related outages and the need for heavy pruning to achieve clearance. Smaller trees require less space above and below ground than larger trees do, which generally … Continue reading Timely Tree Tips — Pros and Cons of Small Trees
Trees like alders, poplars, birches and willows are dubbed “pioneer species” in forestry. They earn that nickname for often being the first trees to colonize sites disturbed or damaged by landslides, fires, floods or clear cuts. Pioneer species grow rapidly and establish new canopies faster than competing vegetation. They can mature at a young age … Continue reading Timely Tree Tips — Understanding Pioneer Species
Every holiday season there are debates about which is the better choice – a real or artificial Christmas tree. Commissioner of Public Lands Hilary S. Franz has the definitive answer. “Hands down – you have to go with a real tree,” says Hilary. “Supporting small business tree farms across the state directly contributes to your local economy. … Continue reading Commissioner Franz Answers the Ultimate Holiday Question: Real vs. Fake?