Ailing Japanese Maple*

I live in mid-town Toronto and have an ailing 30 year old Japanese Maple.  It is a lovely 30 foot plus tree, and it has added to the beauty and charm of my home.  However, in the last while I…

Syringa reticulata ‘ivory silk’*

My syringa reticulate “Ivory silk tree has dead branches & wilted leaves. Could this be verticillium wilt? If so, how would I treat it? We are having a very dry summer so is it possible that it needs a good…

Pagoda dogwood*

I think it has golden canker- I will trim but is there a spray ?…

Risks of removing leaves to peonies*

  I read your reply to “white powder on peonies”. To treat a similar mildew, I took the option of snipping leaves instead of using a chemical. However, by the time i was finished, most of the foliage was gone.…

Small apricot trees growing in pots*

Hello!! I live in Toronto, and I’m trying to grow apricots so I can bring them to our property in Prince Edward county. We started them indoors and eventually, after hardening of course, we brought them to our balcony, but…

A mass on my plum tree branches*

Hello. I have noticed that there are masses growing on the branches of my plum tree. Last year someone told me that it might be harmful. I cut all the branches with the masses. This year they all grew back…

Alberta Spruce*

  Hi I’m in Toronto (Birchmount/Danforth area). I have 3 largish Alberta spruce (the decorator kind, not trees) which were here when I took the property over nearly 5 years ago. They are at the back, north side of my…

Pagoda dogwood partially covered with leaves*

I have had a pagoda dogwood shrub for about 6 years and it has always been very healthy. This year only about half of the branches have leaves on them. Some of the branches seem dead. I put shrub fertilizer…

Rhubarb rust*

Composted some infected leaves before I knew what it was. Can I use this compost in pots and containers without compromising the health of the plants, and/or spreading the disease…

Mature Manitoba Maple*

I have an Manitoba maple that is diseased at the base and is 80+ years old I believe. How can I assist the tree, extend its life and /or treat the disease? It is in my backyard, so I understand…