Breeding disease-resistant Port Orford cedar for reforestation and the horticulture industry By Ryan Contreras and Richard Sniezko Port Orford cedar (Chamaecyparis lawsoniana) is a long-lived conifer native to northwestern California and southwestern Oregon. It spans an elevational range from sea level to 5,000 feet or more. In forestry, the tree has both economic and ecological […]
A tree with a peel
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Despite some pest issues, birch trees provide a distinctive, well-loved look Sales of popular birch trees in Oregon plummeted in the early 2000s when the bronze birch borer made its way across the country and began attacking susceptible plants up and down the Willamette Valley. The voracious insect had been plaguing states in the Midwest […]
The rise of the tupelo tree
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With the steady introduction of new cultivars, Nyssa sylvatica gains prominence in the trade Nyssa sylvatica — commonly known as sour gum, black gum and black tupelo — is a shade tree to watch in the 2020s. Right around the turn of the century, several factors came into play, including successful breeding programs, the tree diversity […]
February 2020
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Growers are finding new markets with medical facilities as they invest in garden spaces to assist with patient care. Producers are also keeping a tight grip on offering credit to their customers in partners to manage finances. Also in this issue, Todd Nelson shares his background and thoughts on the industry, Mike Darcy predicts a […]
The healing power of trees
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Science is finding that, figuratively speaking, a tree a day keeps the doctor away. Regular exposure to trees and nature can help people recover from illness and lead to better mental and physical health, according to an ever-growing body of research. To the working members of the green industry, such declarations may seem like a […]
USDA releases new emerald ash borer detection map
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USDA has released an updated version of its emerald ash borer (EAB) map (PDF). It shows the counties in which authorities have detected the destructive, invasive beetle that is responsible for the deaths of tens of millions of ash trees in the United States. The pest was first detected in the United States in Michigan […]
Satisfying in small spaces
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Trees, conifers and weepers that fit the bill with beauty, versatility and easy maintenance Smaller yards haven’t changed homeowners’ need for shade or beauty. But, they have changed what will fit into a yard, which has changed the market and by extension, growers’ business focus. We asked growers to share favorite selections of small trees, […]
Adapt8 produces Tree Guardians in-house
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Starting in January 2019, Adapt8 will begin internally manufacturing Tree Guardians, a product line of reusable tree trunk protectors. The move will allow the company to offer both standard and custom sizes at any time of the year. Produced with a reflective white exterior for visibility and a black interior to reduce sucker growth, Tree Guardians […]
Kuenzi Turf and Nursery
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Founded: 1990 by Myron Kuenzi About: Turf and tree nursery offering specimen shade and flowering trees, liners and Japanese maples. Principal: Myron Kuenzi Key employees: General manager Tyler Kuenzi, facilities/maintenance and sod production manager, Josh Kuenzi, tree field manager Luis Tellez, customer service Rick Metzger, accounting Sara Kuenzi, tree sales and inventory James O’Brien, secretary […]
Arrowhead Ornamentals
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Founded: 1997 by Mike Coleman and family About: Grower of finished caliper B&B and containerized trees that are sold to landscapers and re-wholesalers, as well as bare root trees that are sold to other growers to be finished. Principals: Mike and Gail Coleman and other family members Key Employees: Mike Coleman, general manager; Gail Coleman, […]
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