Ask Categories: Deciduous Shrubs; Cultivar/Species

Rabbit and Climbing Rose

My new climbing rose flowered and then the top of the cane was broken by a squirrel. Then early this spring a rabbit chewed off all the branches coming out of the ground. Now the main cane is doing nothing…

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…

Hardiness of Hydrangea

Hi, I am new to Toronto. Recently I was given a Hydrangea plant full of Blue Coloured Blooms. There was no name of the type of Hydrangea [species] The plant is about 5 to 6 inches tall. I have cut…

Reviving Rose Bush

Hi, I moved into a house a few years ago. There is a rose bush that appeared dead for the first year (bark with no green underneath, no new growth), grew a single rose the second year and is now…

Ants on Chinese snowball bush

Hello again, I sent my second enquiry to you yesterday about ants that are beginning to appear on my Chinese Snowball bush. It is just the beginning of this problem and past years have taught me that the amount will…

Narrow Trees that Grow to 10′ High Max

Hi…I am looking to plant trees in my backyard along the fence. I am looking for trees that are narrow, and will grow to approx 10 feet, max. I live in Toronto (north of the city in Scarborough) and believe…

Lilac Tree

Hello! We have a lovely white lilac tree (actually, it looks like a couple of lilac trees growing together). We have just had some work on our house and yard, and the lilac tree is now in the way of…

Perennial tree in a container

Hello master gardeners, I have a large condo patio that I fill with annuals every spring among a few perennials. I have a few staple perennials planted like lilacs, hostas, and boxwoods. I’m looking to create a Japanese garden look…

Hardy Roses

Hi, Can you please give me names of rose bushes that can stand Canadian winters, and are 4-6 feet in height and have a good resistance to disease. Thanks.…

When to prune shrubs

Hello, When can I prune my Japanese lilac, weigela, and viburnum bushes? They are under a mature oak canopy and so produce a lot of long shoots from the top all summer. Also, as a result, they have become too…