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Author Archives: Cassie Russell
Why Monitoring pH of Soilless Growing Media is Important
Authored by Tejendra Chapagain, PhD, PAg (OMAFA) Soilless media has largely replaced soil-based mixes over the past few decades in nursery plant production. These media mixes are available to purchase from suppliers as prepared, specialized mixes or some may purchase … Continue reading
Windsor area: this workshop is for you!
Learn about Spotted Lanternfly at one of two workshops hosted by the Invasive Species Centre on Wednesday, July 22 Recent sightings of spotted lanternfly in Essex County emphasize the importance of a shared effort to be aware of this invasive … Continue reading
Posted in Insects, Invasive Species
Tagged entomology, entomology for arborists, insect scouting, ontario invasive insects, ontario invasive species, SLF, SLF Canada, SLF essex, SLF monitoring, SLF ontario, SLF training, SLF windsor, spotted lanternfly, spotted lanternfly Canada, Spotted Lanternfly Ontario, spotted lanternfly training
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Black Vine Weevil Woes
The summer emergence of black vine weevil (BVW) adults of 2026 has begun, with the Landscape Ontario nursery scout finding the first adults on June 17. The overwintering adults typically start to emerge in early to mid-June (200 – 250 … Continue reading
Box tree moth & Japanese beetle update: adults are flying
Box Tree Moth (BTM) adults and Japanese beetle (JB) adults have been found in traps in Southern Ontario. Catches of adults of these regulated pests indicate where they are in their life cycles and, for some commercial growers in Ontario, … Continue reading
Nursery Growers Summer Field Tour
Discover innovations in nursery field production and network with fellow growers at Landscape Ontario’s Grower Group Summer Tour on August 12th, 2026. Register Now: Landscape Ontario – Growers Summer Tour Read more for the full schedule.
Managing red-headed flea beetles in pots with nematodes: a new video tutorial
Red-headed flea beetle got you down last year? If you have potted plants that are celebrating a birthday in your nursery, simply spraying for adults in July often isn’t enough to limit their damage. A brand new video has just … Continue reading
Nursery Pest Update: May 22, 2026
Welcome to the first nursery pest update for 2026! Most regions of Southern Ontario are between the 50-100 GDD (base 10°C) range with full bloom of Syringa vulgaris. In more southern regions such as Harrow and the Niagara peninsula, GDD … Continue reading
Posted in Insects, IPM, Weekly Nursery Landscape Report
Tagged box tree moth, boxwood pests, insects, ipm in the nursery, nature, nursery insect pests, Nursery IPM, nursery IPM report, nursery scouting, ontario nursery crops, Ornamental IPM, plants, publication 840, spongy moth, spruce spider mite
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Box tree moth: spring feeding has resumed
Despite what feels like a slow start to spring, box tree moth (BTM) have now exited their winter hibernariums and can now be found actively feeding. So for those who continue to grow and manage boxwood: time to scout and … Continue reading
Hemlock Woolly Adelgid: have you scouted for this pest yet?
Cassie Russell, Nursery and Landscape Specialist, OMAFA Hemlock woolly adelgid, Adelges tsugae, is a regulated invasive insect that poses a serious threat to eastern hemlock (Tsuga canadensis) in Ontario. This pest is now established in parts of southern Ontario and … Continue reading
Posted in Insects, Invasive Species, IPM, landscape, Nursery Production
Tagged hemlock woolly adelgid, hemlock woolly adelgid ontario, hwa, HWA management ontario, HWA ontario, HWA scouting, invasive insects ontario, invasive species ontario, Nursery IPM, nursery scouting, ontario nursery crops
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