Tag Archives: onnurserycrops

Japanese Beetles Have Started To Emerge

                 Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario!

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The Monday Report – June 29th

One of the most filthiest scale insect pests known to horticulturalists, the Euonymus scale (Unaspis euonymi) is a tiny little armored scale that covets evergreen Euonymus fortunei in the garden or landscape.  Adult females have a dark cover that is wider at the posterior end, sea-shell in appearance with white margins. The smaller males have […]

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Late Spring IPM for Landscape and Nursery

Foliar diseases such as Anthracnose can be seen on deciduous trees in the landscape, especially on maple, ash and oak.  The fungus infects leaf tissue as it is emerging, especially during cool, wet springs.  Fungal infection causes some distortion and … Continue reading

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Boxwood Leafminer Adults Are Flying Where Black Locusts are in Flower Bud!

Boxwoods in the landscape not looking so good?  Are you seeing a lot of yellow-brown spots on leaves?

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

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The Monday Report: May 25, 2020

We can still see the remains of low temperature injury from a couple of weeks ago.  Not to worry, the next set of leaves will cover up the desiccated leaves and stems.

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Here Comes the Warmer Weather!

  What a treat! Several of our sugar maples are blooming this year all over southern Ontario, from Barrie to Niagara, these native beauties are gracing our landscapes with blooms.  Its been 5 years since sugar maples were blooming like this. The cooler weather continues!  Climatologists are predicting that our daytime temperatures will stay moderate until about the […]

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Scout Evergreens Early to Combat Insects & Mites This Week

Look for small, white, woolly tufts or masses on the twigs of hemlock (Tsuga canadensis) (Photos: Julie Holmes, CFIA). It is still a good time to scout for Hemlock Woolly Adelgid (Adelges tsugae) because of the visibility of the white … Continue reading

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Seeing Dieback on Maples?

Several Landscape Professionals are reporting significant canopy dieback in maple trees this year.

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Injectable Solutions for Landscape Trees

Emerald ash borer adults are laying eggs. Injectable insecticides are available to help keep trees healthy.

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