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Pest control for Christmas trees

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Evaluating new and old insecticides, and beneficial insects, for aphid control By Chal Landgren, Judy Kowalski, David Howell, Paige Kuchy Aphid control on Christmas tree and other conifer plantings can be a yearly headache for growers. This is especially true for growers of grand fir which, for some reason, seems especially “tasty” to aphids. Over […]

Mulching in containers

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With timely and full application, hazelnut shells and other mulches can keep weeds at bay Weeds. They can be like urban wildlife, with endless amounts of time to find the weaknesses in your domicile to one day become uninvited houseguests. Through drain holes, in small piles of woody debris and in bark — as tubers, […]

Turf care without herbicides

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Research evaluates the use of IPM for weed control on turfgrass By Emily Braithwaite, Brian McDonald, Tim Stock and Alec Kowalewski It is speculated that proper cultural management practices can reduce weed populations in turfgrass without the use of herbicide applications. With new laws restricting access to certain pesticides within turfgrass management and increased pressure […]

OHP releases Fortress® Ornamental Herbicide

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Starting in early October, OHP’s Fortress® Ornamental Herbicide will be available through OHP distributors. Fortress is a pre-emergent granule herbicide that can be used to control broadleaf and grassy weeds on nursery containers and field-grown ornamentals. Made with a unique combination of isoxaben and dithiopyr and formulated on the engineered Verge® granule, Fortress produces virtually […]

Common questions from the summer

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It probably goes without saying that it has been a long, hot summer and early fall. With record high temperatures and little or no rain, one might have expected customers to stay away from garden centers. However, this was not the case. Customers continued to shop for plants and also relied heavily on garden centers […]

Farwest Show to offer pesticide recertification classes

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The 2018 Farwest Show will offer six pesticide credit classes for attendees including one by Kelly Vance from 8:30–9:30 a.m., Wednesday, August 22, in Room B119. Vance, an IPM specialist with Beneficial Insectary, will conduct the class with credit for pesticide recertification. Spanish translation will be included. Vance’s presentation, ”Not All Mites Are Spider Mites: […]

Farwest Show speakers talk about woody breeding and boxwood blight

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At the 2018 Farwest Show, seminar speakers Dr. Ryan Contreras of Oregon State University (OSU), and Jill Calabro of AmericanHort/Horticultural Research Institute (HRI), will deliver talks of particular interest to nursery growers, sharing insights on new breeding for woody plants and developments in the crisis of boxwood blight. Dr. Contreras’ seminar, “Moving, Shaking and Remaking: […]

Farwest Show speakers talk about organic trees and impact of gene crop spraying

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At the 2018 Farwest Show, August 22-24, in Portland, Oregon, nursery growers will hear from two industry experts on topics with environmental implications. Steve Black of Raemelton Farm will speak about his experience as owner and operator of the first U.S. nursery to sell USDA Certified Organic trees. In a separate talk, Dr. Hannah Mathers […]

Practical pesticide safety workshop for OAN nurseries

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Join us for the grower-to-grower conversation about reducing pesticide exposure 8­­–9:15 a.m. Friday, June 15, at the OAN offices, 29751 SW Town Center Loop W. Wilsonville, Oregon. The Practical Solutions for Pesticide Safety Project (PSPS2) is gathering the firsthand knowledge from growers, operators, and employees who use handheld pesticide applicators and sharing their field-tested tactics […]