Invasive Insects of the Pacific Northwest
Green alder sawfly larva. (Photo by Christine Buhl, Oregon Dept of Forestry/bugwood.org) In North America, more than 3,400 documented non-native...
News Articles
News Articles
Humor: The Garden is a Dangerous Place
Gardening is a scary pastime, or so writer Barbara Blossom Ashmun claims in her article in the latest Arboretum Bulletin. In her many years as a garden professional and hobbiest, she has been attacked by bald-faced hornets, poisoned by plant sap, sent to ER because...
Bigleaf Maple: A Native Tree With Much to Offer!
As the warmth of summer fills our days, the canopy cover of trees provides welcome respite from the heat. With a spreading crown and thick branches covered with a profusion of foliage, mosses, lichens and ferns, the bigleaf maple (Acer macrophyllum) stands out as a...
Marvelous Woody Mints of the Arboretum
The mint family, Lamiaceae, is a familiar one for gardeners. We plant lots of low-growing herbaceous plants from this group - such as salvias, basil, and bee balm - in our kitchen gardens and ornamental borders. But you may be surprised to learn that the family also...
Bulletin Stories
Humor: The Garden is a Dangerous Place
Gardening is a scary pastime, or so writer Barbara Blossom Ashmun claims in her article in the latest Arboretum Bulletin. In her many years as a garden professional and hobbiest, she has been attacked by bald-faced hornets, poisoned by plant sap, sent to ER because...
Bigleaf Maple: A Native Tree With Much to Offer!
As the warmth of summer fills our days, the canopy cover of trees provides welcome respite from the heat. With a spreading crown and thick branches covered with a profusion of foliage, mosses, lichens and ferns, the bigleaf maple (Acer macrophyllum) stands out as a...
Marvelous Woody Mints of the Arboretum
The mint family, Lamiaceae, is a familiar one for gardeners. We plant lots of low-growing herbaceous plants from this group - such as salvias, basil, and bee balm - in our kitchen gardens and ornamental borders. But you may be surprised to learn that the family also...
Bulletin Archive
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