Azalea fungus

My azaleas seem to have developed what appears to be a small white fungus on the tips of their branches. It first appeared on a white azalea (which didn’t bloom this year,)and has quickly spread to pink azaleas after blooming…

Disease of a grape tree

Hi. I have a grape tree, and it looks like there is a disease spreading. Pictures attached. Can you please help me find a solution to the problem? Is there any home remedy? Sorry I couldn’t attach more than 1…

Cupping and white stuff on my Boxwoods

Hi there, My Boxwood are affected by a disease causing cupping of the leaves and finally they die. I can see a white powdery stuff on them too. Please let me know what remedy I can use to cure them.…

Boxwood Leaf Miner

Hello, I know I have leaf miner affecting my pyramid boxwood. Would it be wise for me to prune off as much of the “infected” leaves now, (May 17) before the adults emerge in a few weeks and begin mating…

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…