• Rose Leaf Miner

    Hi, I work at a regional building maintaining gardens. The roses on site have been damaged by a pest, and I am wondering if you can identify it and perhaps give info on how to eradicate the pests. They spread…

  • Weeds

    I live in Thornhill. I have 2 weeds driving me crazy. The first is bindweed. I’ve used a torch on it and tried to dig up the roots. Neither works. This year I have a new weed pest. It looks…

  • Newly planted Emerald cedar tree turning brown from the outside

    Hi I just planted cedar trees at my backyard they are the emerald cedar trees, I water them daily with a sprinkle for about 90 mins, after 10 days I am seeing that the outer leaves are beginning to turn…

  • Succulents

    Hello. I would like to know if I can use insecticide to prevent bugs on indoor succulents. I would like to use it before I get a bug problem, which I always do with houseplants. Also, do you know of…

  • Insect affecting hydrandea

    I live in the Markham area, I experienced this last year and can see it is happening this year too. My hydrangea are getting there new leaves, however, some of the leaves are closed shut like a cocoon. When i…

  • Pill Bugs

    Hi, Every year my front and rear garden is over run with pill bugs. We are in east York and have sandy soil. Since we’ve moved in four years ago, I’ve put a lot of time into our garden and…

  • Brown Spots on Grapevine Trunk

    This spring, I planted a grapevine in a large container on my terrace in Toronto, which faces west and gets full sun from about noon. (I don’t remember the exact variety of vine, but the grapes are seedless green.) The…

  • Passionflower pests

    Hi Master Gardener, A pest issue has been a big trouble for my passion flower which is a house plant. The small black bug is so tiny and which spreads out so quickly on the leaves. The leaves are dying…

  • Snowball bush

    Hello, I live in Michigan, just north of Detroit. I had a snowball bush that was beautiful. 10 years old, in morning shade, afternoon sun; with good draining soil. This year started out just as years past, budding, leaves growing,…

  • Red Japanese Maple

    This is a follow up on our earlier queries . We have notice this bulge on the tree and wonder if we should be concerned.