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

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TSAA Syllabus 2020, Updated Jan. 15, 2020

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2018 Annual Report

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Learn About Native Vines and Trees

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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

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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

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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.

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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

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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

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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

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