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Top 10 Invasive Plants
Next ClassApril 13, 2019Join instructor Sarah Archer for an al fresco look at the top 10 invasive plants that harm trees, and then remove some of them as we practice identification and removal techniques in East Falls Church Park, 1730 N. Roosevelt St., Arlington.Preserve Older Trees
Click the image for tips on caring for mature trees.
Reliable Tree Care Info
- How to Remove Ivy From Trees
- Tree Owner’s Manual
from the US Forest Service - Virginia Cooperative Extension
- ISA Tree Care
from the International Society of Arboriculture
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News to Use
Bad Bug Alert!
Spotted lanternfly
Have you seen me? I eat trees. Turn me in. Here’s how.
Author Archives: TreeStewards
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
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
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 Alexndria, Emil;y Ferguson, Lucy Goddin, Timber Branch
300 New Trees Planted in Arlington
Summer rains flooded many a basement in Arlington, but along Four Mile Run as it courses through Bon Air Park, precipitation caused a wipeout. The roots of many mature trees on the banks of the creek gave way after … Continue reading
Tree Stewards Win Alexandria Beautification Award
Tree Stewards Jane Seward, Lynn Gas, Meghan Rainey and their neighbors in urban forestry deserve rousing accolades for greatly improving their Northridge-Beverly Hills districts by conceiving and leading a project to have 139 trees planted in yards in their neighborhood. The … Continue reading
Posted in Alexandria Tree Canopy, Canopy Loss, Community Service, Events, Growing Tree Canopy, Volunteer
Tagged Alexandria, Allison Silberberg, Award, Beautification, Beverly Hills Civic Association, Del Pepper, Growing Tree Canopy, Jeanne Snapp, Northridge Civic Association, Paul Smedberg, species, volunteering
Tree Species for Our Area
Confused about what tree to plant? Here’s help. These lists have been compiled by ISA certified arborists who work directly with our urban forest every day. They know trees. But more important, they know trees that will be happy in … Continue reading
Posted in Uncategorized
2 Comments
Don’t Cut That Tree!
A Michigan tree supplier is matching mature trees destined for the chipper to clients who want stately specimens. Not our story, but interesting nevertheless. Re-Tree gives mature trees a second chance
Posted in Mature Trees Are Valuable, Michigan, Re-Tree, Specimen Tree