Preserve Older Trees
Click the image for tips on caring for mature trees.
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Category Archives: Uncategorized
Getting a Grip on Pruning Tools
How heavy is a 2-inch tree branch? Heavy enough to rip the protective bark from the tree trunk if it’s cut wrong, exposing the tree to harmful fungi, bacteria and insects that could eventually kill it. About three dozen of … Continue reading
2018 Annual Report
Posted in Uncategorized
Tagged Arboretum, Mature Trees Campaign, outreach, planting, training, volunteering
Top Ten Least Wanted Invasive Plants
In Northern Virginia, there are several plants we and trees would be better off without. Some strangle trees, some add enough weight to topple them, and some grow so vigorously that tree saplings don’t stand a chance in natural areas … Continue reading
Posted in Education, Invasive plants, Training Materials, Tree Care, Uncategorized
Tagged Arlington, education, invasive, ivy, recommended reading, tree care, TreeSteward class
Big Trees Need Your Help
They soak up rain, sway in wind, spread seed to create more trees. But they cannot fight off invasive plants without helping hands from humans, who benefit so much from trees’ shade and shelter. Do this to help trees: Volunteer … Continue reading
Posted in Uncategorized
Tagged Arlington, East Falls Church Park, invasive plants, Master Naturalists, RiP, Tree Stewards
Tree Anatomy for Tree Stewards
Trainees, you’ll want to refer to this valuable Tree Anatomy lecture by Jim McGlone when thinking about pruning trees, or answering the upcoming Module 2 quiz.
Books for Tree Lovers
We asked Tree Stewards to share some of their favorite tree books, and here are a few worth putting on your wishlist. Others will be added as more members contribute suggestions. Continue reading
Posted in Continuing Education, Education, Tree Care, Tree ID, Uncategorized, Worldwide
Tagged 2018 Man Booker Prize, Amazon, Best Book of 2018, Kirkus, Nancy Ross Hugo, New York Times, Peter Wohlleben, Richard Powers., Richard Preston, Robert LLewellyn, Seeing Trees, The Hidden Life of Trees, The Overstory, The Wild Trees
We Give Thanks for Planting Trees!
Tree Steward Eileen Grant learns that this family, planting a White oak (Quercus alba) in Ben Brenman Park’s meadow Saturday, lives just across the street and can watch their tree grow. Tree Stewards are giving thanks for their many tree-planting … Continue reading
Posted in Alexandria Tree Canopy, Arlington Tree Canopy, Ben Brenman Park, Benjamin Banneker Park, Bluemont Park, Community Service, Education, Events, Growing Tree Canopy, Invasive plants, New Training Class, Uncategorized, Volunteer
Tagged Alexandria Department of Recreation Parks and Cultural Activities, Andrew Knapik, Arlington Urban Forestry, Backlick Run, Bob Williams, Bonnie Burgess, Bonnie Petry, Boundary Stone, Cameron Station, Dan Schwartz, Eileen Grant, Four Mile Run, Holmes Run, Marymount University, Parknership, SW 9
Witchy Hats on Witch Hazel Are in the Woods Now
Now is a great time to find bewitching sights in the woods of Northern Virginia. Here’s evidence: Witch “hats” on native Witch hazel (Hamamelis virginiana) leaves. The conical black “hats” are the chemical reaction of the Witch hazel leaf to … Continue reading
Posted in Continuing Education, Education, Fall Tree ID, Glen Carlyn Park, Uncategorized
Tagged aphid, gall, Hamamelis virginiana, Hormaphis hamamelidis, ovipositor, witch hat, Witch hazel