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Categories
Category Archives: Tree Care
Mulching
Anytime is a good time to mulch your landscape, but fall is especially great. Covering bare soil before we get heavy fall rains and adding another few inches around the trees you mulched last year will really pay off next … Continue reading
Posted in Landscapes, Tree Care
1 Comment
Cherry Bark Tortrix
The Cherry bark tortrix is a pest on trees and shrubs of the rose family (Rosaceae). This means most common fruit trees have the potential to be affected including apple, cherry, plum, and peach. It’s a relatively new pest to … Continue reading
Posted in Fruit Trees, Pests and Diseases, Tree Care
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Verticillium wilt
Around the Seattle area this spring I noticed a number of Japanese Maples infected with what appears to be verticillium wilt (Verticillium dahliae and V. albo-atrum). This soil borne fungi can infect a very wide range of species. It causes … Continue reading
Posted in Fungi, Pests and Diseases, Tree Care
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Fruit Tree Pruning
There are two basic times of the year that it’s best to prune fruit trees; dormant and summer. Most people prune when the tree is dormant (no leaves) because it’s easier to see what and where you are cutting. But … Continue reading
Posted in Before & After (photos), Fruit Trees, Tree Care
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Reaction Wood
Have you ever wondered how a tree supports itself as it reaches towards an opening in the canopy? Or how a long limb holds itself horizontal? The answer is reaction wood. Reaction wood is a special kind of wood that … Continue reading
Posted in Curiosities, Tree Care
2 Comments
Leafhoppers and Spider Mites
As the summer progresses insect pest damage often becomes more apparent. I was recently called out to a home in the Greenlake area of Seattle to look at a vine maple that was having a pest problem. The tree actually … Continue reading
Posted in Gardens, Landscapes, Tree Care
1 Comment
Cherry Brown Rot
It’s well past cherry season here in Seattle and Western Washington, but earlier this summer you may have noticed a brown mold covering fruits just as they were ripening. This is due to a fungus called cherry brown rot or … Continue reading
Posted in Fruit Trees, Fungi, Tree Care
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Co-dominate Stems
Co-dominate stems often become a problem in mature trees. Co-dominate stems, or “double trunks”, arise when the terminal growth point on a tree is broken or cut off. The tree then sends up two or more new leaders which compete … Continue reading
Posted in Tree Care
2 Comments
Clearing Branches From Utilitiy Lines
I thought I’d share a couple of photos from a job I completed last week. Three large beautiful Deodar Cedars (Cedrus deodara) were growing in a backyard in the Wedgewood neighborhood of Seattle. The only problem was the six utility … Continue reading
Posted in Tree Care
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Leaf Miners
Leaf Miners tunnel between layers within a leaf, eating the plant tissue and often leaving a very distinctive trail through the leaf or patches of dead brown leaf tissue. These sometimes strange looking markings on leaves are caused by the … Continue reading
Posted in Gardens, Landscapes, Tree Care
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