• Magnolia Scale

    I have a wonderful large Magnolia tree that is probably 50 years old.  It is infested with magnolia scale.  I have tried different treatments but none have worked.  What solution would you recommend?    …

  • Hydrangea Tree

    My son in Whitby has a hydrangea tree that appears to have died. How can you tell for sure and what causes it?…

  • Pear Tree

    We live near London, Ontario.  We have a large Bosc pear tree that was already in the yard when we moved in 12 years ago.  The fruit the tree bears is deformed or has dimples with a woody piece under…

  • Discoloured and Dying Leaves on House Plant

    Two months ago my house plants were attacked by aphids or some similar bug. I sprayed them heavily and religiously with Safer’s Soap, four treatments in 28 days. Now some plants have dead leaves and others have leaves with these…

  • Weeping Spruce

    We live in Toronto (Rosedale) and the soil has a tendency to be Clay like. Our Weeping Spruce was about 8 years ago and does not seems to be happy with branches near the base dying and some slight signs…

  • Ailing Japanese Maple

    I live in mid-town Toronto and have an ailing 30 year old Japanese Maple.  It is a lovely 30 foot plus tree, and it has added to the beauty and charm of my home.  However, in the last while I…

  • Mildew on peony leaves

    My peony leaves got mildew on them and treatment didn’t work. This plant is in a winterized pot and new to me this year. Should I cut off all the leaves and throw them out to reduce chances of the…

  • Leaf Spot

    This is an example of something that has invaded my Joe Pye plants and a new Nannyberry (viburnum). The viburnum looks very bad. The Joe Pyes will come back next year. Is this a fungus, an insect? I cannot seem…

  • Syringa reticulata ‘ivory silk’

    My syringa reticulate “Ivory silk tree has dead branches & wilted leaves. Could this be verticillium wilt? If so, how would I treat it? We are having a very dry summer so is it possible that it needs a good…

  • Pagoda dogwood

    I think it has golden canker- I will trim but is there a spray ?…