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Author Archives: Cassie Russell
Register Now: Nursery Growers Summer Tour!
Discover innovations in nursery field production and network with fellow growers at Landscape Ontario’s Grower Group Summer Tour on August 28th, 2025. Register Now: https://landscapeontario.com/growers-group-tour-08-28-2025 From conifer cultivation and irrigation systems to pest control and weed management, the tour will … Continue reading
LUNA PRIVILEGE GREENHOUSE® Fungicide label expanded via Minor Use Program to help manage Botrytis blight and Powdery mildew on Greenhouse and Outdoor Ornamentals and Suppression of Powdery Mildew on Rose in Canada
Commercial ornamental growers now have another tool in the toolbox thanks to the Minor Use Program. LUNA PRIVILEGE GREENHOUSE® Fungicide label has been expanded to help growers manage powdery mildew and botrytis in greenhouse and outdoor ornamental crops. Continue reading … Continue reading
Posted in IPM
Tagged luna privilege, minor use, nursery crops IPM, powdery mildew fungicide
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Invasive Species Center events: SLF and BLD workshops this summer
Two FREE invasive species workshops are coming up this summer hosted by the Invasive Species Centre. On July 24 there will be an in-person workshop in Brighton focused on beech leaf disease. On August 6, there will be a spotted … Continue reading
Posted in Arboriculture, Invasive Species, IPM
Tagged beech leaf disease, beech leaf disease ontario, beech leaf disease workshop, BLD, BLD brighton, BLD ontario, hamilton workshop, invasive pests ontario, invasive species centre, invasive species learning, invasive species ontario, nursery crops, ornamentals, SLF, SLF workshop, spotted lanternfly, spotted lanternfly workshop
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Boxwoods: Time to check & treat for the next generation of box tree moth
Adult box tree moths have been observed and captured throughout Southern Ontario over the last couple weeks and as their eggs hatch, early instar box tree moth larvae will start to feed again on boxwood shrubs. This second period of … Continue reading
ARBOTECT® 20-S Fungicide label expanded via Emergency Use Registration to help manage Beech Leaf Disease on Beech Trees in Canada
By Josh Mosiondz, Minor Use Coordinator, OMAFA The Pest Management Regulatory Agency (PMRA) recently announced the approval of an Emergency Use Registration minor use label expansion registration for ARBOTECT® 20-S Fungicide for management of Beach Leaf Disease on Beech Trees … Continue reading
Understanding and Managing the Red-headed Flea Beetle
It’s already that time of summer… the return of the red-headed flea beetle. The red-headed flea beetle (Systena frontalis) can be a significant pest in nurseries, particularly affecting container-grown ornamental plants. Adult beetles tend to emerge in late June to … Continue reading
Japanese Beetles Have Started To Emerge in Ontario
Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario! We had our first pheromone trap captures yesterday, Monday June 23, 2025 in Vineland.
Posted in Insects, Invasive Species, IPM, landscape
Tagged beetles, japanese beetle, JB, JB adults, JB emergence, JB infographic, white grubs
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Box Tree Moth are flying: check your traps!
Today we had our first box tree moth (adult) captures of the season in our pheromone surveillance traps. Additionally, public observations on iNaturalist of the months started rolling in over the weekend from areas of Toronto, Windsor, Simcoe, Brampton, London … Continue reading
Posted in box tree moth, Insects, Invasive Species, IPM
Tagged box tree moth, boxwood, boxwood moth, BTM, BTM IPM, BTM ontario, ipm in the landscape, pest management
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Beech Leaf Disease in Ontario: What is it, where is it, and what to look for
Across Ontario, reports of beech leaf disease (BLD) in the landscape have been steadily increasing and now some nurseries are also starting to see symptomatic trees. There’s a lot of unanswered questions about this new plant health issue. In the … Continue reading
Posted in Arboriculture, Diseases, Invasive Species, IPM, Nursery Production
Tagged banding on beech trees, beech leaf disease, beech mortality, beech tree health, beech tree issues, BLD, BLD ontario, Fagus, foliar nematode, L. crenatae, nursery and landscape plants, nursery crops, Nursery IPM
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Nursery IPM Update: June 3, 2025
Due to cooler temperatures last week, most regions of Southern Ontario are still between the 100-150 GDD (base 10°C) range with full bloom of Aesculus hippocastanum and spireae x vanhouttei. In more southern regions such as Harrow, GDD is closer … Continue reading
Posted in Insects, IPM, Weekly Nursery Landscape Report
Tagged box tree moth IPM, box tree moth spring, elm zigzag sawfly, honeylocust plant bug, hydrangea bacterial leaf spot, hydrangea disease, landscape plant IPM, landscape plant pests, nursery crops, Nursery IPM, nursery IPM report, Ontario nursery IPM, Ontario pests, Ornamental IPM, PLH, potato leaf hopper, strawberry root weevil
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