Ask Categories: Herbaceous Perennials; Native

Overwintering container lavender

I have a Munstead lavender plant in a container on my north facing balcony in Toronto ON, which has done really well this summer and I wanted to bring it indoors for the winter. I don’t get any direct sunlight…

Canada Thistle

My garden is being taken over by Canada Thistle. I have pulled and sprayed and tried planting to crowd them out to no avail. What is the best way to get rid of them?…

New England Aster Seeds

Hi Master Gardener, I saved some seeds from our New England asters. Should I plant them next spring before the last frost to stratify them?…

Brown spot on Ostrich ferns

The ferns have not had Brown Spot ever in 20 years. The ferns in past years are abundant, large and lush. What should I do to prepare for next year?…

Diseased tree and plant beneath it

Hello, We have a huge maple ( Norway?) which shades a rock garden on a hill in the backyard. We live in Scarborough southwest 1.4 kms from the lake. This year most of the leaves have a raised bump as…

Incorporating pollinators plants

I’ve been asked to plant an entrance/boulevard garden that is attractive and incorporating pollinators plants. How do I do this?…

Is this plant native to Ontario?

My garden is located in North east of Toronto.  I am trying to grow a native garden and while weeding I found some fringed willow herb.  Is this native to Ontario specifically?  Should I keep this plant? Thank you!…

Early blooming perennials

Hi there, I would like to plant some perennials that will bloom in the spring, but I don’t know much about gardening! I know that poppies are beautiful, but I’m wondering if there’s any other plants that are relatively low…