Tag Archives: box tree moth IPM

Box tree moth: spring feeding has resumed

Posted on May 14, 2026 by Cassie Russell

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 →

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Boxwoods: Time to check & treat for the next generation of box tree moth

Posted on July 8, 2025 by Cassie Russell

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 →

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Nursery IPM Update: June 3, 2025

Posted on June 3, 2025 by Cassie Russell

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 →

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Box tree moth are waking up!

Posted on May 2, 2024 by Cassie Russell

We had some unseasonably warm days this March and April here in Ontario which resulted in a few instances where box tree moth (BTM) were coming out of their hibernaria during the day to feed, but quickly retreat back when … Continue reading →

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