• Thuya’s Top Browning

    I planted my Emerald Green Arborvitae (Thuja occidentalis) in a sunny spot 3 years ago.  My soil is not great, with lots of clay, but I try to make it more drainable every time I plant something.  It enjoyed healthy…

  • Is it Safe to Plant Impatiens?

    Is it safe to plant impatiens this year?  I see they are back in the garden centres.…

  • Hornbeam Disease

    I have a hedge of about 80 hornbeam trees. They have significant number of inner branches that are dead, with black spots in them.  The branches seem to be killed by the black fungus, starting at the tip of the…

  • 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…

  • Indoor – White Fuzz on Soil

    Hello. I have a few small indoor plants that have white fuzzy stuff on the top of the soil. The room is cold and dry ..could it still be fungus? I have never seen any gnats or any other insects.…

  • 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…

  • weeds and tomato blight

    I’ve been trying to get rid of weeds (Please see attached) at my backyard garden for the last several years but without any success. This year I have planted my vegetables in the bucket yet the weeds are growing and…

  • A mass on my plum tree branches

    Hello. I have noticed that there are masses growing on the branches of my plum tree. Last year someone told me that it might be harmful. I cut all the branches with the masses. This year they all grew back…

  • Pagoda dogwood partially covered with leaves

    I have had a pagoda dogwood shrub for about 6 years and it has always been very healthy. This year only about half of the branches have leaves on them. Some of the branches seem dead. I put shrub fertilizer…

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