Category Archives: Arboriculture

Get Ready for Fall Dormant Horticultural Oil

In mid-late autumn, we have an opportunity to manage some of our plant pests, such as mite eggs and scale insect nymphs, before they go completely dormant.  Now that trees are starting to drop their leaves and the weather has … Continue reading

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

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

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

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An Ill Wind That Blows No Good….#GypsyMoth 2021

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

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They’re BACK! Gypsy moth are hatching!

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Those Precocious Blooms of April!

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

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”

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