Olive trees are now available at most local garden centers and in most cases, have seemed to grow well in our local conditions.
The replacements
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Over-reliance on certain trees often prompts the need to turn to newer varieties in place of faltering favorites.
Researchers roundup
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Get to know the horticultural researchers at OSU and USDA Many programs focus on nursery, greenhouse, landscape and related crops at Oregon State University (OSU) and the Horticulture Crops Research Laboratory at the Agricultural Research Service (USDA ARS), the principal in-house research agency of the United States Department of Agriculture. Here are some of the […]
The tribulations of big trees
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Growing bigger trees that will flourish in a changing climate takes a long-game approach For decades, tree-lined streets across the country — largely in the Southeast — would erupt in the bright white blossoms of Callery pear trees (Pyrus calleryana) every spring. Affordable, fast-growing and easily shipped, the trees had become the darlings of landscapers, […]
An integrated plan of attack against pests
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The Northwest Nursery Crop Research Center (part of the USDA- Agricultural Research Service, or USDA-ARS, Horticultural Crops Research Center) in Corvallis, Oregon recently funded the creation of the first Integrated Pest Management (IPM) Strategic Plan for Oregon’s ornamental nursery industry.
Getting the word out
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Growers take an interest in steering landscapers and end users to the right tree for the location No tree can grow best in the wrong place, and no location can be enhanced by the wrong tree. To that end, the flow of information between tree growers, and experts in the markets they serve, is critical […]
Knowing your cedar pests (Part 2)
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Part 2: Thuja, Juniperus and Cupressus It’s important to be aware of issues in the landscape and forest, as these can become problems in the nursery or for your customers. On the flip side, problems not detected in the nursery can become big issues when planted out at the customer’s end. Cedar trees have a […]
Know thy enemy
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Expert insect pest identification resources are available in Oregon The foundations of a good integrated pest management (IPM) plan are scouting, monitoring and identification — knowing where and when you have pests, and knowing exactly who those pests are. Scouting and monitoring techniques are straightforward. One can use tools like sticky cards, traps, bait plants, […]
Managing epidemics
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Whether dealing with plant pathogens or COVID-19, common principles apply The COVID-19 pandemic has changed life as we know it, threatening human health, causing disruption to our society, and resulting in economic challenges. While impacts of plant pests and diseases may pale in importance compared to COVID-19, they still cause large-scale ecological and economic damage […]
Asian longhorned beetle outbreak reported on Long Island
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Officials are redoubling their efforts to stamp out the Asian longhorned beetle in New York City and Long Island, according to a report in the New York Times. The invasive insect destroys maple, willow, birch and other trees by laying eggs under the bark. Overwintering larvae destroy infested trees, and their vascular systems, from the […]