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… Read More Emerald Ash Borer Now in Oregon
Emerald Ash Borer Now in Oregon Read More »
We often promote shrub pruning in winter during the dormant season when its easier to see the branching structure. Indeed, winter is a great time to undertake this task. However, you can prune shrubs year-round. Summer is as good a time as any as long as you pay attention to the particular needs of the… Read More Shrub pruning in summer: Breaking the rules
Shrub pruning in summer: Breaking the rules Read More »
For a varied and interesting landscape design, fruit bearing trees and shrubs are a good choice. It’s one way to add color and keep it longer. As always, think carefully to ensure you are planting the right tree in the right place. With fruit trees in particular, there are some caveats to consider before you… Read More Fruit trees add color and flavor in your landscape
Fruit trees add color and flavor in your landscape Read More »
Spring is a favorite time of year to enjoy the weather, work in the garden and just be outside in nature. The season also brings the holidays of Earth Day and Arbor Day. Celebrating these holidays means finding ways to protect the earth and give back to our environment. It’s no surprise that here at… Read More Tree seedlings distributed for Earth Day and Arbor Day
Tree seedlings distributed for Earth Day and Arbor Day Read More »
Stress from drought can seriously impact trees and shrubs. Leaves will wilt and drop. Overall tree growth is reduced and trees are more likely to become infested by insect pests or disease. Ultimately, if the water lost from leaves or needles is not replenished, the plant will dry out and may die. Here are some… Read More How to protect trees and shrubs during drought
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We all know what healthy leaves look like, but what happens when they’re not healthy? Leaves can become discolored, have bumps or brown or red lesions. Smudgy spots on foliage or leaves that appear dried out or burned are also a sign of poor health. Problems impacting the leaves of trees have many causes. These… Read More Leaves look bad? Prevent & treat foliar disease
Leaves look bad? Prevent & treat foliar disease Read More »
Evergreen trees are frequently associated with sparkling snow and the Christmas season. Indeed, these trees shine in the landscape during winter when other color is hard to find. But the real value of evergreens is in their true, four-season beauty and adaptability. The white fir (Abies concolor) tree is no exception. This hardy species has… Read More White Fir
What do you do as soon as a warm spring day arrives? Get outside of course! But you’re not the only one anxious for temperatures to rise. Many overwintering insects are just waiting for warmer weather so that they can wake up. With the spring season now upon us, one tree-dwelling denizen that’s important to… Read More Watch out for Hidden Ambrosia Beetles
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Healthy soil is the basis for healthy trees and shrubs. But all soils are different. The characteristics of the soil as well as nutrient levels vary from site to site. With this in mind, the best way to fertilize your trees and shrubs is to do so on the basis of a soil analysis.
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When the weather turns cold, we don’t think much about insects. What exactly happens to them during winter? The term overwintering is used to describe how insects navigate the challenges of the winter months and successfully come out on the other side. Insects typically have two different approaches to overwintering. Some utilize the “get out… Read More A Bug’s Life: Surviving the Winter
A Bug’s Life: Surviving the Winter Read More »
Holly is commonly seen during the holiday season. Even carols tell us to ‘Deck the halls with boughs of holly.’ The plant’s green leaves and red berries (though some cultivars do have berries with other colors) are a festive pop of color in interior décor. In the outdoor landscape, they are a bright and welcome… Read More Holly Plant: A Holiday Favorite that Shines in Winter
Holly Plant: A Holiday Favorite that Shines in Winter Read More »
Imagine staying outside all of the time, even during winter. Exposed to severe weather, you’d face many problems. Even though trees live and grow outside, that doesn’t mean that the challenges of winter aren’t stressful for them too! Low temperatures, heavy snow, ice storms and other extremes cause a variety of winter injuries on landscape plants.… Read More Watch Out for Winter Tree & Shrub Problems
Watch Out for Winter Tree & Shrub Problems 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.
