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Sluggy trees aren’t coming to town

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As reported by KGW-8 (Portland, Oregon), OAN member Christmas tree grower Kirk International Inc. has come up with a novel way to remove hitchhiking slugs from its trees — hot showers. This allows the trees to be shipped to a number of overseas markets that have strict rules about invasive species — places like Hawaii, Guam and […]

Nancy Buley receives 2014 Arbor Day Award

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Nancy Buley Nancy Buley, communications director at J. Frank Schmidt & Son Co., is the recipient of a 2014 Arbor Day Award, the Arbor Day Foundation announced today. Buley will receive the Frederick Law Olmsted Award in honor of her lifelong commitment to tree planting and conservation at the state level. Buley is one of 13 […]

Website educates public on invasive pest threats

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Although the agriculture community is well aware of invasive pests and pathogens — including the emerald ash borer, sudden oak death, the giant African snail, the citrus psyllid, the Asian longhorned beetle and many others — agriculture cannot fight them alone. These pests can be transported unwittingly by the general public; therefore, public awareness is needed to […]

Portland updates street tree planting lists, requests feedback

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Portland Parks & Recreation (PP&R) Urban Forestry has updated its approved street tree planting lists. The lists are for property owners, contractors and developers to use when planting trees in the City right-of-way, typically the planting strip between the sidewalk and the curb. Black tupelo (Nyssa Sylvatica) The lists are categorized by tree height, from […]

City of Salem pays for tree-related damage

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Street trees have numerous, well-documented benefits, but some misbehaving maples have ended up costing the city government in Salem, Ore. some money. According to a report in the Statesman-Journal newspaper, the Salem City Council there has authorized officials to pay up to $95,000 to settle a lawsuit brought by resident Brian Cooksey. Cooksey alleged that […]

October Digger arrives in mailboxes

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The October issue of Digger has been mailed to subscribers. This month’s cover story, titled “Street tough,” highlights a new generation of trees that can handle challenging growing conditions in the city (PDF). Other articles in the current issue include: “Feeding the imagination” (PDF) American pitcher plants, Venus flytraps and other carnivorous plants inspire columnist […]

Can a native also be considered invasive?

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Eastern Oregon grassland with encroaching Western juniper. Photo courtesy of Oregon Department of Agriculture. Dan Hillburn, administrator of the Oregon Department of Agriculture Plant Division, blogged on Saturday about the dilemma posed by Western juniper (Juniperus occidentalis) choking out grassland habitat in Eastern Oregon. As he explains, these trees are native, but the Native Americans […]

How to Build Tropical Confidence

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Tropical plants fell out of favor due to their lack of hardiness. But today, they are trending again as gardeners and retailers reconsider the charm of banana trees, wild palms and other exotic varieties, thanks to a newfound confidence in their cold hardiness. Check out the cover story, “Confidently Tropical,” in the April edition of Digger Magazine and learn what tropical plants can […]

National tree planting standards revised

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The American National Standards Institute (ANSI) has approved major revisions to industrywide standards for planting and transplanting trees. While the ANSI standard (ANSI A300 Part 6) initially only covered the transplanting of trees, it now has been expanded to include initial planting of trees as well. The revised standards are based on a consensus among […]