Category Archives: Arboriculture

Monitor Beech Trees For Introduced Beech Scale Nymphs in the Coming Weeks

Posted on September 1, 2021 by Jen Llewellyn

Introduced Beech scale (Cryptococcus fagisugae) goes hand in hand with beech bark disease (Neonectria faginata and N. ditissima).  It is believed that the wounds made by the tiny scale nymphs create entry points for the lethal fungal disease.   Beech scale … Continue reading →

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Start Treating for the 2nd Generation of BTM Larvae in Toronto

Posted on July 16, 2021 by Jen Llewellyn

Now is the time to detect and treat for actively feeding box tree moth larvae in Toronto Continue reading →

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NOW IS THE TIME to Treat for Box Tree Moth Larvae in Toronto

Posted on May 21, 2021 by Jen Llewellyn
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An Ill Wind That Blows No Good….#GypsyMoth 2021

Posted on May 18, 2021 by Jen Llewellyn

First instar Gypsy moth (Lymantria dispar) larvae have hatched and are dispersing, especially in the Southwestern part of the province!  Continue reading →

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Box Tree Moth Larvae Are Starting to Feed in Toronto

Posted on May 6, 2021 by Jen Llewellyn
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They’re BACK! Gypsy moth are hatching!

Posted on May 3, 2021 by Jen Llewellyn
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Those Precocious Blooms of April!

Posted on April 17, 2021 by Jen Llewellyn

outher       Norway maple (Acer platanoides and its cultivars) are just starting to bloom in the GTA, making this one of the earliest blooms for trees since 2012! Continue reading →

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April Showers and April IPM Opportunities

Posted on April 13, 2021 by Jen Llewellyn

Unusually warm weather has hastened the flowering of many trees, shrubs and bulbs!  Although we have more seasonable daytime high’s in the forecast for the next week, night time low’s will be  above 0C in southern Ontario.  Silver maples may … Continue reading →

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2021 Will Be Remembered as “The Year of the Gypsy Moth”

Posted on April 8, 2021 by Jen Llewellyn
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Temporary Mild Weather Spell Supports Fall Dormant Oil App’s

Posted on November 9, 2020 by Jen Llewellyn

Now that trees have dropped their leaves and the weather has turned mild for a bit, hort professionals have a short bonus shot at managing overwintering plant pests! The full, dormant rate of horticultural oil is excellent for smothering juvenile … Continue reading →

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