Natural defense systems enable trees to ‘fight back’ when they’re under attack from pests or disease or facing stress from environmental conditions like drought. Even with these defense systems in place, trees will decline when conditions become too severe or persist over long periods of time. Research and field experience has shown that application of… Read More Boosting Tree Defense Systems
Boosting Tree Defense Systems Read More »
Many homeowners use herbicides, commonly known as weed killers, to battle persistent plants like ragwort, pigweed, crabgrass, dandelion, purslane, clover, poison ivy, and others. Of the wide variety of herbicide products available, not all contain the same ingredients. With that in mind, these products should not be used universally. The weed being treated, site, and… Read More Using Herbicides Near Trees and Shrubs
Using Herbicides Near Trees and Shrubs Read More »
Trees are important for so many reasons. They make our communities more beautiful and livable. We want to share our love of trees with others. Encouraging people to plant and care for trees is just part of the picture.
Arbor Day and Earth Day 2016 Read More »
Most tree pests leave visible signs of their presence – if you know what to look for. Sometimes it’s easy to dismiss these observable symptoms. After all, it’s just a few tiny holes in the trunk or slight withering of the foliage. Unfortunately, as an infestation worsens, the plant material deteriorates and the overall appearance… Read More Hiding in Plain Sight: Common Signs of Insect Invaders
Hiding in Plain Sight: Common Signs of Insect Invaders Read More »
“It is a capital mistake to before one has data” Sir Arthur Conan Doyle An unusual package has just arrived. Filled with plant material, the package is unboxed and the contents transported to a high-tech laboratory. The material is studied for clues and further under the view of a microscope. A battery of tests follow.… Read More Evidence Reveals the Answer
Evidence Reveals the Answer Read More »
The Bartlett Tree Research Lab staff recently welcomed the newest crop of Arborist Representatives for technical training that included four information- and demonstration-packed days and nights.
Technical Training for New Arborist Representatives Read More »
University of Chicago’s Campus Environment team knew it was time to move beyond a limited-use, printed tree inventory to an online version that could facilitate management of the university’s urban forest. This would allow them to determine the structural stability of trees on the Main Quadrangle, many of which were more than 100 years old,… Read More Taking a Tree Inventory Online
Taking a Tree Inventory Online Read More »
Many commercial properties maintain no tree care budget. Unexpected costs quickly mount when an issue emerges and money must be scraped together to pay for last-minute treatments or an emergency removal. It’s even worse when the issue results in damage to your building or on the property that could have been prevented.
Budget for Tree Care to Save Big Read More »
A welcome sight in snow-laden trees and backyard feeders throughout the winter, how do birds that don’t migrate survive the below-freezing temperatures common in the north?
Songbirds in Winter Read More »
Earlier this year, it was predicted that about a million drones would be sold over the holiday season. If you were one of the lucky ones to be gifted a drone, or Unmanned Aerial Vehicle (UAV), you’re probably already outside seeing what it can do. Just watch out for those trees!
Stuck Up a Tree: Tips for Getting Drones Down Read More »
Thank you to all of the wonderful volunteers at this year’s Saluting Branches event at Willamette National Cemetery on September 23rd. We had a total of 33 volunteers, of which 25 were ISA Certified Arborists, participate in the pruning of 71 trees. These trees are now able to thrive and maintain their beauty for many… Read More Saluting Branches 2015
Saluting Branches 2015 Read More »
Ideally, mulch should be applied beneath the entire canopy, but smaller mulched areas are acceptable. Depth should not exceed four inches, and two inches is adequate on shallow rooted shrubs and perennials.
Proper Mulching Technique Read More »
Being a leader in the tree care industry means continually focusing on learning and innovation. Bartlett’s Tree Topics blog follows in that tradition by offering a place to receive advice on trees, tree pests, tree preservation, and more.
