Arboretum-Based Research Tackles the Azalea Lace Bug
Since 2015, the invasive azalea lace bug (Stephanitis pyrioides) has been causing serious damage to azaleas and rhododendrons in our state,...
News Articles
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
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
Looking for past Bulletins? Check out our Bulletin Archive for past issues.
