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Channel: Perennials – Toronto Master Gardeners
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Planting Raspberries in Toronto

When is the best time to plant new raspberry plants in Toronto? Also what kind of fertilizer and when should it be applied to our existing raspberry patch. We had a great crop for a few years but last...

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Trilliums coming up in October?!

I recently planted several trillium plants (grandiflorum and erectum) that were shared from a friend’s garden. They have been planted under a large linden tree where they get early morning sun but are...

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Asters Baked in the Sun

I don’t know what happened, but with the temperature extremes in the west GTA last week, my asters, which were going to be my stars for the rest of autumn, just shrivelled. Should I just accept the...

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Climbing Idea(s) for Pergola

I live in Zone 4. I have a deck 8 ft off the ground that gets high winds early in summer. I have a corner pergola on the deck and a large planter box below it. It’s south facing and full sun. I’m...

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(1) Leaves still on the trees and shrubs (2) Cutting back perennials in fall

Because of an early frost,in October, most of the trees and shrubs never lost their leaves. My questions: 1. Is this a problem? If so, what can I do? 2. A separate issue is when to cut back he stalks...

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Ornamental Grasses and Shrubs – Full Sun Hot Yard

Oakville – backyard – 10-12 hours a day full sun – blazing hot in the summer What (if any) ornamental grasses, shrubs, flowers that are perennials do well in low grade (clay escarpment) soil and full...

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Perennial in Front of Cedars

Hi, I’m in the High park area. I have 3 cedars in the north east corner of the backyard. I would like to plant a flowering bush, in front of them, and then some smaller perennials. They have full...

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Helleborus

Hello, On Friday I purchased a Helleborus at your Garden Store at Canada Blooms and I was wondering how to care for it until I’m able to plant it outside in my garden. Thank you for advice. Donna Millard

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Adding nutrients to established perennial garden

We have a VERY full perennial garden in a southfacing position. I want to add nutrients to the soil this spring  to keep my plants healthy, without digging into the garden (I am afraid I will disturb...

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Plant Identification

I am looking for help with identifying this plant. It is newly emerging (mid April) in a garden bed in Toronto, Ontario. There are many of them, concentrated in one area. The bed is in partial shade...

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Perennial Asters

Should I cut the dead branches from last year off the aster clump or will the new growth come from those same branches?

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Is there a perennial Riviera Blue Eyes Lobelia for Toronto?

Is there a type of this lobelia that’s perennial for Toronto area? I picked some up in previous year from a big box store and loved the look. However, I don’t want to go through the effort and expense...

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Bearded iris blooms

Now that the blooms of my tall bearded iris (iris Germanica) are over should I cut down the stem to the ground or just half way?  

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unknown plant

this plant has shown up in my garden in a large volume. it has broad leaves, white flowers and these green pods.

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Plant ID – yellow wild indigo

This plant was given to me by a friend who recently passed away. This plant blooms in the month of June, is herbaceous, has spikes with yellow flowers and oval leaves…. A perennial.

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Identify this shrub

My property is half an hour north of Cobourg. The flowers are very fragrant. It blooms late Spring through mid to late Summer. It is very old. Was there before I bought the place 30 years ago

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Gooseneck Loosestrife

What is the best method to eradicate Gooseneck Loosestrife from a perennial garden? My garden is full sun, clay soil (not wet) and the Gooseneck loves it. I have tried digging it up, but it keeps...

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oenothera triloba vs Himalayan Dandelion

Could Oenothera triloba and Himalayan Dandelion possibly be the same plant? It seems that gardeners confuse the two of them. Thank you.

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Non-flowering clematis

For the second consecutive year my clematis Pamela Jackman, while still putting on the usual masses of stems & lush foliage, has declined to flower. It has flowered in the same (unchanged) spot...

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Dahlia Daytime Droop

Hello! I’m just north of Guelph in zone 5b, with nice loam soil. My question is about dahlias. I’m growing two types of dinnerplate dahlias, Thomas Edison and Otto’s Thrill, and I’m having severe...

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