• Tree of Heaven

    Hi there: We have this tree in the backyard and we are not sure if we should let it thrive. When it started growing (on its own) we thought it was a sumac and we were fine with that. But ...

  • Use of Systemic Pesticide – Imidacloprid – to treat mealybugs on cacti

    I have an extensive cacti collection with some almost 20 years old. They spend the summer outside and the winter they are dormant in the basement. This past winter the mealybugs got out of hand, and while I ...

  • Boxwood Problems

    In our small garden in central Toronto, several boxwood bushes are getting discoloured, dry leaves. Some have visible insects, especially on underside of leaves. A photo is attached. How can I deal with these problems? A photograph is ...

  • Mugo Pine with Web Spinning Saw Fly?

    Georgetown, Ontario. Climate zone 5b Mugo Pine Location: Sunny conditions 11am to 5pm. Dry, clay soil conditions. Problem Noted: The Mugo Pine is being defoliated on the old branch below the new growth or candle. Evidence: Clusters of pellets. Each pellet measures ...

  • Weed identification help please!

    Hi there, we just bought a house with a yard that seems to have been neglected for sometime. I can't identify the major weed growing in the yard. It can grow up to over a meter ...

  • Plant (weed?) identification

    Hello, We purchased a house last year and a previous owner obviously enjoyed gardening. There are some beautiful plants that have popped up, but I was hoping to please have some help in identifying what I believe are ...

  • Sick Rising Sun Redbud

    I'm hoping you can answer my question in regards to my Rising Sun Redbud. I did have leafhoppers on my tree, but sprayed it about 4 days ago and haven't seen any since. I do have another ...

  • Dying Phlox

    Hello, we can't figure out what's going on with our lovely phlox which is normally very healthy. We have three different stands of it in the garden, in three different places and all of them are dying. ...

  • Cherry tree branches drying up

    Hi there, this year my cherry tree started out very well but then branches on on side started drying up, now other branches are drying up on different parts of the tree. The leaves starts wilting and then ...

  • Bugs on eggplant

    Do you know how to treat the bug that is only appearing on eggplants?