Toronto is the epicentre of a North American infestation of the box tree moth, Cydalima perspectalis (Walker). The arrival of this invasive pest was officially announced by the Canadian Food Inspection Agency in November 2018. The moth crossed into the…
What is the appropriate time of year to spray for leaf miner and when is it too late to spray. I am in south Etobicoke.…
We have just moved in to a house that has an old cedar hedge which is dying at various places. It has holes in it. The branches where it is dying has a speckle of white on it. How do…
I noticed leaves with yellowy blotches and opened a few up to find tiny yellowish-orange larvae inside. I think I have boxwood leafminers. As it is only mid-May, is it too early to shear the boxwoods? What time is best…
I had a number of Columbine that were affected by leaf miner last year. Am hoping to manage the problem without pesticides this year.
Is there a recommended course of action beyond removing affected foliage promptly, and do you think…
I have swiss chard growing in a pot. Tag says it needs full sun
but the leaves look burned when I put it in sun. It has good soil mix and a big enough pot. I don’t wet the leaves…
HI, I’m in Toronto, the chard is growing in a raised garden bed. I’ve built up the soil using compost, sheep manure and black soil. There is a garden wall to the East that puts the bed in shadow until…
the leaves look like a bug is eating leaves (chewing edge of leaves and into leaf) also very few flower bubs. Shrub is about 5 years old. Also some brown and black spots.…
