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You are here: Home / Archives for Invasive species

Japanese Beetle eradication program to expand in 2018

By Curt Kipp — Posted December 19, 2017

The Oregon Department of Agriculture has completed year one of a proposed five-year eradication program for Japanese beetles (Popillia japonica), a nursery and garden pest that feeds on turf as well as more than 300 plant species. The beetles were found in the Cedar Mill area west of Portland in 2016. This past summer, the […]

Filed Under: Nursery News Tagged With: Invasive species, Oregon Department of Agriculture, Pesticides, Pests and Diseases, Plants, Regulations

The sudden oak death epidemic in Oregon

By Sarah Navarro — Posted September 13, 2017

Oregon nurseries are increasingly threatened by the repeated expansion of the sudden oak death (SOD) epidemic in Curry County. Although this epidemic is geographically far away from the main nursery production areas, the continued expansion of the SOD quarantine area and the newly discovered introduced EU1 clone are distinct threats to the nursery industry. What […]

Filed Under: Growing Knowledge, Phytophthora, Plant Pests and Diseases Tagged With: Invasive species, ODA, Oregon Department of Agriculture, Oregon State University, Pesticides, Pests and Diseases, USDA, Wholesale Nurseries

Got slime?

By Robin Rosetta — Posted August 1, 2017

Identifying and managing slugs and snails is critical in
Pacific Northwest gardens and nurseries.

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Home gardening, Invasive species, Operations, Pesticides, Pests and Diseases, Plants

Rising from the ashes

By Dawn Hummel — Posted August 1, 2017

Growers and specifiers seek replacements for trees decimated by the emerald ash borer.

Filed Under: Plant Features Tagged With: Digger, Digger magazine, Invasive species, OAN Members, Pests and Diseases, Plants, Trees, Wholesale Nurseries

ODA traps 4,000 Japanese beetles

By Peter Szymczak — Posted July 24, 2017

Oregon Department of Agriculture issues update on Japanese beetle eradication effort

Filed Under: Nursery News Tagged With: Invasive species, Landscaping, ODA, Oregon Department of Agriculture, Pests and Diseases

Efforts to eradicate Asian gypsy moth appear successful

By Peter Szymczak — Posted November 29, 2016

Efforts to eradicate Asian gypsy moth appear successful

Filed Under: Nursery News Tagged With: Invasive species, ODA, Oregon Department of Agriculture, Pests and Diseases

Spotting the spotted lanternfly

By Curt Kipp — Posted November 7, 2014

Spotted lanternfly. Photograph by Lawrence Barringer, Pennsylvania Department of Agriculture According to a tip from OSU Extension entomologist Robin Rosetta, a new insect pest — the spotted lanternfly (Lycorma delicatula) — was recently detected in Berks County, Pennsylvania. In response, the Pennsylvania Department of Agriculture announced a quarantine with the intent to restrict the movement of this pest. This […]

Filed Under: Nursery News Tagged With: Invasive species, Pests and Diseases

Sluggy trees aren’t coming to town

By Curt Kipp — Posted November 6, 2014

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 […]

Filed Under: Nursery News Tagged With: Christmas trees, Invasive species, OAN Members, Pests and Diseases, Trees

Brown marmorated stink bug sightings increase

By Curt Kipp — Posted October 7, 2014

There’s been a sharp uptick in reported sightings of the brown marmorated stink bug (Halyomorpha halys), an invasive insect which can cause heavy damage in home gardens as well production nurseries. The insects are known to enjoy munching on cucumbers, raspberries, beans and several types of ornamental plants and trees. According to a report on […]

Filed Under: Nursery News Tagged With: Invasive species, Oregon Department of Agriculture, Oregon State University, Pests and Diseases

Invasive species cook-off set for Sept. 28

By Curt Kipp — Posted September 11, 2014

Chef Philippe Parola and his Asian Carp dish with Tour Eiffel Invasive species, such as nutria and Japanese knotweed, pose a major threat to native habitats, costing the U.S. an estimated $120 billion annually. One way to beat them is by eating them! Promoting this idea is the “Eradication by Mastication” event. The fundraiser, now in its […]

Filed Under: Uncategorized Tagged With: Events, Invasive species

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NURSERY NEWS

Terra Gardens owner’s gesture for his mother opens the door to other wheelchair-bound gardeners

OAN announces 2025 Friends of Nurseries award winners

OAN leads grower-driven Japanese beetle solution

AmericanHort president and CEO to step down

In memoriam: Bill Van Belle

Longtime employee buys Heritage Seedlings and Liners

In Memoriam: Melvin John Steffenson

New USDA Census of Hort arriving in mailboxes this month

More Nursery News

From the pages of Digger

March: The Perennials Issue

February: The Greenhouse Issue

January 2026: The Retail Issue

November 2025: The Transportation Issue

October 2025

More issues of Digger

Pests and Diseases

OAN leads grower-driven Japanese beetle solution

Prioritizing nursery pest challenges

New tools in the battle against thrips

Aiming for precision in pest control

Oregon’s nursery licensing program aims to keep the entire industry healthy

More articles

FARWEST SHOW UPDATES

2026 Farwest Show issues calls for speakers

Excitement, optimism prevail at 2025 Farwest Show

Dazzling plants, products garner Retailer’s Choice Awards

Youngblood Nursery wins Best in Show booth honors at the 2025 Farwest Show

Glow Sticks Fescue wins top honors from judges at Farwest Show’s New Varieties Showcase 

More Updates from Farwest

The Value of Membership

AmericanHort president and CEO to step down

OAN honors industry leaders at 2025 Convention

Meet the Leader: Patrick Peterson

More member stories

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