Category Archives: Plant Nutrition

Hold Off on Fall Fertilizer Where Soil is Dry

 Warm, sunny days and cold nights give rise to the most spectacular fall colours. Unfortunately, that long stretch of unseasonable warm, cloudy days and warm nights in September certainly stalled out leaf colour development this year. Advertisements

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Now Is The Time To Test Leaves for Nutritional Content

                          Ever see chlorotic or stunted leaves and wonder if it could be a particular nutrient deficiency?  Soil nutrient testing can be a good tool to assess levels … Continue reading

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Rough Winds Do Shake the Darling Buds of May

Click HERE for the AUDIO version of this blog post.                                              We are seeing wind tattering damage on tender … Continue reading

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Nursery Growers Demonstrating Ways To Conserve Nutrient Inputs

A recent study of fertilizer placement techniques in Ontario nursery grown nursery stock has shown that sub-surface applications of fertilizer can not only reduce the required amount of fertilizer inputs, but also help conserve nutrients in the crop. 

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Fall Fertility – What a great opportunity!

Leaf drop and fall colour is visible on some trees and shrubs in the landscape. This is especially true of woody plants on roadsides, high sandy knolls or compacted sites. In some cases where individual specimens are entering senescence earlier … Continue reading

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Horticultural Oil, Slow Release Fertilizer and A Few Pests

Applications of horticultural oil to dormant trees and shrubs will be starting soon (daily temperatures between 4C and 12C are ideal).   If you can wait for a few mild days to pass, overwintering insects will have a higher rate of … Continue reading

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2015 Nursery Growers Short Course

Save the date! The 2015 Ontario Nursery Growers Short Course is coming up:                         Wednesday, February 4, 2015 Royal Botanical Gardens in Burlington                                                                                         8:00 am  to

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