The Extension Service Christmas tree specialist has answered thousands of questions over the years. Those questions usually lead to more questions that require careful observation and a detective's mindset to solve.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.
The first Tree School Online session debuted with 300 registered participants. Since then, the live classes have rolled out with anywhere from 50 to 100 participants.
The northern giant hornet was detected in British Columbia and Washington in 2019. This publication outlines the identification, life cycle, and predatory habits of the northern giant hornet (Vespa mandarinia) for ...
Ellen Topitzhofer, Chris Hedstrom, Priyadarshini Chakrabarti Basu, Andony Melathopoulos, Silvia I. Rondon, Gail Langellotto, Ramesh Sagili |
Sep 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication offers an integrated approach to effective weed management in Christmas trees, incorporating diverse strategies and practices to keep weed populations off balance. It includes strategies for using ...
Ed Peachey, Chal Landgren, Tim Miller-Morgan |
Nov 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
Many people think of shade or woodland gardens when they think of growing native plants. In fact, many woodland plants do very well in garden settings. But careful selection and care is essential to making your woodland garden flourish.
Each Christmas tree species requires special skill and specific knowledge to be grown successfully. This publication outlines how trees grow and the culturing practices necessary to develop the size, shape, and ...
Introducing beneficial insects to Christmas tree farms as part of an integrated pest management program may seem overwhelming. Where to begin? First step: Create habitat that attracts and sustains the beneficial insects.
Judy Kowalski |
Jun 2021 |
Article
Photo Credit: Alicja Neumiler - Adobe Stock (Cropped from original)
A collection of articles for growing vegetables in Central Oregon. Include general information, recommendations, soil temperatures, rhubarb, potatoes, cucumbers, beets, carrots, radishes, onions, tomatoes and tomatillos.
Oregon State University Crop and Soil Science Masters student Pahoua Yang focuses her research project on Colorado potato beetle, Leptinotarsa decemlineata. Her project is to determine baseline information for several commercial ...