High balcony garden recommendation

I have a huge balcony in a downtown condo at the corner of York Street and Queens Quay West in the Harbourfront. It is about 400 square feet, north east exposure, fully exposed to the sky, on the 20th floor…

Alternatives to Emerald Cedar

Hello, I am located at Scarborough east Toronto, which is around zone 5-6. I want to find one kind of tree alternative to Emerald Cedar against my backyard fence. My backyard is face to west, so the sunlight is enough.…

king maple and caterpillars

why am I seeing a number of caterpillars hanging down from my king maple? The tree is 52 yrs old. Is there a potential issue for the tree and what can I do about it in a safe way? The…

Maple tree has small holes and black markings

My maple tree is two years old. I do not want to lose it. Attached is a picture showing several leaves. As you can see the new ones look perfectly healthy. What can/should I do to salvage the tree. See…

Unknown tree in distress

Hi, I recently moved into a new house and inherited a tree in my backyard. I am not sure what type of tree it is, and it seems to have had leaves last summer from what I recall before I…

Dwarf Japanese Maple “Waterfall” lacking leaves

The dwarf Japanese Maple “Waterfall” which leafs out beautifully every May in a sunny location for the past 16 years has hardly any leafs on it now on June 4th. The leafs are very slowly and gradually appearing. It doesn’t…

Red Oak with ‘gooseberries’

I have a volunteer Red oak that is now about 8+ feet tall. The tree sits on the east side of the house under the canopy of a 35 foot red oak, a 20 foot bass wood and another unknown…

Ohio Buckeye in northern Ontario

Hello, I live in Nipigon (north of Thunder Bay) and my Ohio Buckeye has numerous canker-like scars on the twigs. I wanted to ask someone in Toronto as you might be more familiar with this species. I’m a retired Forest…

Where to buy a good crabapple tree

I want to plant a tree in memory of my grandma, I’ve been thinking about a crabapple tree, I want one that has pink flower long season of interests and the fruits can be persistent for the birds. It’s going…

Katsura Tree

My usually healthy and very large four-trunk Katsura tree (15+ yrs) – has been dropping shriveled dry black leaves. I sweep them from deck every day – not many (20 or so) – BUT it is very concerning. Please advise…