Peony disease

There is something wrong with two of my peonies. The leaves are shriveled and curling but there are no visible insects on it. On one of the peonies the edges of the leaves are black. What can I do? They…

Golden canker in soil?

Our pagoda dogwood died of golden canker. We cut it down to a stump last year and now several shoots are growing from the roots. Will this produce a healthy plant or is the new growth likely to get golden…

Dormant Mandevilla with white spots

We live in Scarborough. I overwintered 3 mandevilla vines in our cool basement and discovered they now have white spots on the stems ( no leaves on plant) which I think might be a mold. The white spots are mostly…

Shrub for fungus-prone garden

We have a small urban backyard garden in Toronto. Our pagoda dogwood died of golden canker. Our serviceberry has rust (probably related to neighbouring juniper). We would like to plant a flowering shrub in the spot where the pagoda dogwood…

Is this tree diseased?

This is the branch of my Tulip tree. Is it diseased? Should I have it taken down? I live in the east end of Toronto (Pape and Danforth neighbourhood).…

Purple sand cherry tree

I live in Mississauga and have a fifteen-year-0ld sand cherry tree in my front yard. In the spring and summer of this year, it started to ooze a clear liquid along the entire length of its branches that solidified into…

Mature Cedar Turning Yellow

Hi I have mature cedars which are suddenly filled with Spider Web and Moth, I keep removing the spider webs and they keep coming back. I usually Fertilize them with 30-10-10 from April to Sep but I noticed this year…

Suspicious lawn dry patches

Hi there, Back in April, we installed new sod in our front yard. A few weeks ago, the area where the new sod was installed started getting dry patches. The area where the old grass stayed does not have these…

Asters – powdery orange mold

another first for me – clouds of orange dust flying off the established Asters as i cut them back. they’re in full sun, watered regulary with a drip soaker hose, Leaside. There was orange residue everywhere. YUCK! have you any…

Garlic Stem and Bulb Nematode

Hello, I am hoping to sort out whether or not my crop has been infected with the aforementioned nematode. My plot is in the west end of Toronto(zone 6a), in a community garden. I have been growing garlic there for…