Photo of the Week
Cute little Pale Green Weevils (Polydrusus impressifrons) can be found crawling everywhere right now. Fear not, their feeding is of little consequence :)
Tag Archives: Jen Llewellyn
Scout Evergreens Now to Catch Pests Early
Posted in Insects, landscape, Nursery Production
Tagged evergreen ipm, Jen Llewellyn, onnurserycrops
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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
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
Posted in Arboriculture, IPM, landscape
Tagged bagworm, bugfinder, city of toronto, eastern tent caterpillar, fall cankerworm, gypsy moth, Jen Llewellyn
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Crabapple Disease Management Begins Soon!
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.
Posted in Diseases, IPM, landscape, Nursery Production
Tagged apple scab, fireblight, Jen Llewellyn, katie goldenhar, kristy grigg-mcguffin
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2021 Will Be Remembered as “The Year of the Gypsy Moth”
Posted in Arboriculture, Insects, IPM, landscape, Weekly Nursery Landscape Report
Tagged biocontrol, bugfinder, dave cheung, gypsy moth, Jen Llewellyn, lymantria dispar
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Dormant Horticultural Oil App’s This Week!
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
“Growing and Thriving!” – 2021 Nursery Growers Short Course next Wednesday, February 17th!
Join us online for the 2021 Nursery Growers Short Course. This year’s theme is Growing & Thriving and the speaker lineup is sure to add to your growing success!
Posted in Educational Opportunities, Nursery Production
Tagged abigail wiesner, airblast 101, cara mccreary, ground covers unlimited, hometown brew, jason deveau, jeanine west, Jen Llewellyn, landscape ontario, mary-jane ash, medhat moussa, Nursery Growers Short Course, nursery short course, nursery short course 2021, omafra, onnurserycrops, phytoserv, praveen saxena, sean fox, sharon reed, sheridan nurseries, university of guelph, vineland research and innovation centre
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IPM in The Middle of August
We recently cracked a case of stunted, distorted leaves and premature leaf drop on honeylocust this week….
Watch Out For Hot Spots of Magnolia Scale
Magnolia scale females have given birth to live young, and these tiny, dark crawlers have started to venture out to feed on twigs in the landscape. Signs of magnolia scale include honeydew: sticky leaves and sticky residue on vehicles and … Continue reading
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