Poison hemlock has been found in nearly every U.S. state and across much of Canada. This plant is highly toxic. In fact, ingesting even small amounts of the plant tissue can be poisonous to people and animals. Touching any part can cause a severe skin reaction. Contact with or inhalation of plant debris can also […]
Managing Poison Hemlock Read More »
Boxwoods are a staple in many landscapes. These ornamental, evergreen favorites make excellent hedges or edging, but can also serve as foundation plants. However, this popular plant is not without its issues. There are a number of common problems, which include insect pests and diseases. As with any plant in your landscape, it’s important to
Common Problems of Boxwood Read More »
Baby it’s getting cold outside! You’re heading in to cozy up by the fire, but your trees are not! In most managed landscapes, those trees won’t even have the benefit of a layer of fallen leaves to act as a winter coat protecting the soil. With that in mind, winter is a good time to
Mulching in Winter Read More »
It’s the time of year for conifers to shine! Most trees have lost their leaves by now so there’s nothing like a conifer for landscape color in late autumn and winter. Conifers are a favorite for the many benefits they provide. These trees are great for year-round screening, act as windbreaks and serve as ideal
We often think of spring and summer as prime time for insects — and it is. But, you know Mother Nature. She never follows the rules completely. With that, there are a few unwanted surprises even as the weather cools. Some caterpillar pests, like fall cankerworm and winter moth, emerge in fall and winter and
Some Caterpillar Pests Emerge in Fall and Winter Read More »
A tree’s root collar is the transition area from the roots to the trunk. It is usually noticeable because of the prominent flare leading to the major buttress roots. Trees should have this visible flare where the roots curve out of the ground. On the other hand, trees that seem to grow straight from the
Tree Root Collar Disorders Read More »
Many geographies had an extremely dry summer. How does drought impact trees? The lack of water adversely affects nearly all plant processes. Plants are unable to to produce food, which results in weakness and limits growth. Drought stress also increases the chance of harmful insect and disease infestation. Long-term drought can eventually lead to branch
Helping Trees Recover from Drought Read More »
Bartlett Tree Experts was fortunate to participate in the 8th Annual Saluting Branches Day of Service on September 28. Over 80 Bartlett employees joined. On this day, tree care companies, arborists, and other industry professionals come together. They dedicate time, talent and equipment in honor of veterans who died in service. This year, our team
Saluting Branches: Volunteering to Honor Veterans Read More »
Autumn color is a favorite part of the season. The changing and falling of leaves is also very important to tree survival. The same processes that lead to fall color also enable the dying leaves to return valuable nutrients to the tree. As leaves fall and decompose over time, nature’s ‘recycling’ begins. In fact, more
Autumn Color and Tree Health Read More »
Lightning strikes millions of trees each year. Though not many trees die immediately, strikes often cause serious structural weakness. This damage increases the risk of branches falling and predisposes the tree to insect and disease infestations. These trees are often a safety hazard and pose risks to nearby property. A lightning protection system can help
Tree Lightning Protection Systems Safeguard Trees Read More »
Biocontrol, or biological control, might sounds like scary science fiction, but quite the opposite is true. It’s not science fiction, it’s just good science! Biocontrol relies on the use of living organisms to help manage damaging pest populations. In effect, it uses nature’s best defenses to protect against insect invaders that harm trees and shrubs.
Biocontrol: Leveraging Nature’s Best Defenses Read More »
The USDA recently confirmed the presence of emerald ash borer in Oregon. EAB for short, this invasive wood-boring beetle infests and kills ash trees. The beetles lay eggs in the bark crevices of trees. After hatching, larvae bore through into the tree where they feed. Their feeding and burrowing activity disrupts the flow of water
Emerald Ash Borer Now in Oregon 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.
