Tag Archives: Jen Llewellyn

Protect Evergreens Starting As New Growth Emerges

Monitor for needlecast and blight diseases on older foliage where new foliage is emerging on PINE and SPRUCE.

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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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Continue to Protect Apple, Crabapple and Pear from Fireblight and Apple Scab

Fireblight (apple, pear, see above) and Apple Scab (apple) diseases are normally reproducing and spreading this time of year.  This week we are more concerned about Apple Scab.  The cool weather has really reduced the activity of fireblight bacteria and so the risk of fireblight is looking low again this week.    

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Fruit Tree Disease Management Begins at Green Tip

Fireblight (apple, pear, see above) and Apple Scab (apple) diseases are normally reproducing and spreading this time of year.  This week we are more concerned about Apple Scab.  The cool weather has really reduced the activity of fireblight bacteria and so the risk of fireblight is looking low again this week.    

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Be Prepared: Horticultural Oil App’s Coming Soon!

Dormant oils should not be applied if the temperature is below 4C or if the temperature will approach freezing soon after application of the dormant oil spray.  The freezing temperatures can mess with the emulsion of the oil mixture and cause uneven application. Continue reading

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Spring is Springing…Again!

There may still be snow in the bush north of Barrie but at long last, its been mild enough to support bloom on several early flowering plants.  Sunday afternoon was heavenly…for a few hours.  It looks like some milder weather … Continue reading

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2020 Nursery Grower’s Short Course – Wednesday Feb 5

It’s the MOST anticipated EDUCATIONAL and NETWORKING Event of the Year!

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Fall Pest Management on Beech and Pear

  Introduced Beech scale (Cryptococcus fagisugae) is easier to see this time of year on our native American beech (Fagus grandifolia).  That’s because of the white waxy coverings the females produced to protect their eggs in late summer. 

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IPM in August

  Lots of hairy caterpillars can be found feeding openly on foliage of nursery and landscape ornamentals this time of year.   Above you will see Hickory tussock Moth (Lophocampa caryae, Family: Erebidae left photo) and the very common Virginian tiger … Continue reading

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