Category Archives: Weather

Are you seeing branch dieback on Honeylocust?

Have you noticed branches dying on Honeylocust this summer?  We’ve had reports of branch dieback on urban street trees in the Hamilton and London areas last month. 

Posted in Weather | Tagged , , , | Leave a comment

Sudden Dieback on Twigs?

Horticulturalists are reporting sudden leaf and twig dieback on several different species of deciduous trees across southern Ontairo.

Posted in Uncategorized, Weather | Tagged , , | Leave a comment

Frost Warning Tonight

This article was adapted from an article by Sean Westerveld,                                             OMAFRA Ginseng and Medicinal Herb Specialist out of … Continue reading →

Posted in Weather | Tagged , | Leave a comment

EVERGREENS: Winter Desiccation or a Pest Issue?

I had a request for an article on diagnosing winter desiccation versus pest and disease issues on evergreens.  I find diagnosing diseases of evergreens versus physiological and abiotic disorders to be tricky.  But here is the decision-making process that I … Continue reading →

Posted in Christmas Trees, Diseases, Weather | Tagged , | Leave a comment

Spruce needle drop in the Landscape?

  It seems to be one of the most common complaints this spring: my spruce tree is turning brown and dropping needles!!!!

Posted in IPM, Weather | Tagged , , , | Leave a comment

What’s up with that duck?

Each March the Canada geese herald in the beginning of spring with the honking broadcasts and displays of male prowess on lakes and storm water collection ponds.  The real sign of spring (for me) is when they start standing on … Continue reading →

Posted in Insects, Weather | Tagged , , , , | Leave a comment

Have you seen the weather forecast?

Environment Canada is calling for much more seasonable temperatures for next week.  Daytime high’s will be in the balmy range of -3 to -7 C in many areas!  Time to break out the t-shirt and shorts!  I am predicting a HUGE positive … Continue reading →

Posted in Uncategorized, Weather | Tagged , | Leave a comment

Old Man Winter is here

  Weather experts across several regions are predicting a long, cold winter with below-average temperatures for much of Ontario.  Last winter we saw an unprecedented level of rodent and deer feeding on nursery crops.  Many of us noticed large populations of voles, … Continue reading →

Posted in animal injury, Weather | Tagged , | Leave a comment

Good News: The Days are Getting Longer!

But dang, it’s cold out there! What’s up with the weather? Evelyn Browning Garriss, author of the Browning Newsletter and well-known “Weather Whisperer” will tell you, it’s because of the volcanic eruptions in the arctic. Yes, since 2011, there have … Continue reading →

Posted in Weather | Tagged , , , | Leave a comment

Winter Injury Still Rearing It’s Ugly Head

  Believe it or not (and maybe you don’t believe it), but many horticulturalists believe that the recent dieback on trees and shrubs in the landscape and nursery can be at least partially explained by winter injury. By winter injury … Continue reading →

Posted in Arboriculture, IPM, landscape, Nursery Production, Weather | Tagged , | Leave a comment