Author Archives: TreeStewards

About TreeStewards

TreeStewards of Arlington and Alexandria, Virginia, are trained volunteers who work to protect, preserve, and enhance urban tree canopy through public education and volunteer activities such as planting, pruning, and caring for trees.

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 , , , , , ,

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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Protecting Sentinel Trees by Removing Ivy

Don’t just stop at trees! Here are 40 reasons to remove ivy from your yard. Thank you, Colin Purrington, for compiling this list. The environmental destruction caused by English ivy (Hedra helix) is a classic example of why native plants, … Continue reading

Posted in Alexandria Tree Canopy, Community Service, Continuing Education, Invasive plants, Ivy Hill Cemetery, Mature Trees Are Valuable, Protecting Sentinel Trees, Tree Care, Volunteer | Tagged , , , , ,

Dichotomous Key Update by Emily Ferguson

Click here for the key to winter tree ID with buds and twigs.

Posted in Bark, Education, Training Materials, Tree ID, Volunteer, Winter tree ID | Tagged , ,

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.

Posted in Class Presentations & Materials, Continuing Education, Education, Events, Growing Tree Canopy, New Training Class, Pests, Rainfall, Training Materials, Tree Care, Uncategorized, Volunteer

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 , , , , , , , , , , , , ,

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 , , , , , , , , , , , , , , ,

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 , , , , , ,

Help Us Plant Hundreds More Trees

The shocking new information about the unexpected acceleration of global warming should frighten all of us into doing everything we can to try to slow or halt it. Alexandria’s Natural Resources branch, Arlington County’s Urban Forestry unit, and Tree Stewards … Continue reading

Posted in Alexandria Tree Canopy, Arlington Tree Canopy, Ben Brenman Park, Benjamin Banneker Park, Bluemont Park, Canopy Loss, Community Service, Events, Extreme Weather, Global Warming, Growing Tree Canopy, New Training Class, Volunteer

Tree Walk at Ivy Hill Cemetery

Tree Steward trainees and their mentors were agog at the magnificent tree specimens at Ivy Hill Cemetery in Alexandria on Sunday, Oct. 28th when they gathered for a tree identification expedition led by instructor Emily Ferguson. They encountered innumerable oaks … Continue reading

Posted in Education, Events, Fall Tree ID, Ivy Hill Cemetery, New Training Class, The Crypt, Tree ID | Tagged , , ,