• Am I dealing with aphids correctly?

    I am the horticulturalist  at a golf club. This year, our annuals are covered with aphids. I have sprayed with insecticidal soap. Is this right? or is there something else I should be doing?  

  • A few of my serviceberry tree’s leaves have turned red, even though it’s just summer!

    Does this mean the tree is diseased? There are no spots or bumps or any other damage on the leaves, just the fall colour. Otherwise, the tree looks perfectly healthy and has lots of berries. It's out in the open, ...

  • How to deal with Dog-strangling vine

    I have a garden that contains a Honeysuckle vine, Vinca groundcover and Lily-of-the Valley, and also something that I originally assumed was milkweed, and thought, "I'll leave this to grow, and it'll attract butterflies!"  I now realize it's Dog Strangling ...

  • Sparse growth on maple tree

    Attached are photos that further depict the problems I have with my maple tree that you addressed in a previous email. Small leaves with brown edges, small seed pods with brown, dead ends of twigs (no growth) and my tree ...

  • Lettuce not doing so well

    Hello, I live in Toronto and my lettuce has started to turn an unhealthy color. Is this tip burn or something worse?  

  • Climbing Hydrangea leaves are all wilting

    My Climbing Hydrangea has all its leaves wilting.  There are no signs of bugs on the plant, and I have tried feeding it some 20-20-20 fertilizer to see if it would help.  This has also been a very wet spring for the ...

  • Is This Poison Ivy

    Hi, I have broken out with poison ivy and the only exposure would have come from my backyard. We live in Aurora, Ontario. We've never had poison ivy before, however there are these ...

  • Little Green insects on leafs and flowers of plants

    I was wondering if there is something I can do about these little green insects that are in my plants I have on my balcony. I have hibiscus, pansies and other plants. They are in soil and they get the ...

  • Cardinal flower troubles

    Last summer, over 30 Cardinal Flower plants (Lobelia cardinalis) were effected by some sort of disease or insect problem in the garden. The garden bed that they were growing in receives ...

  • Growing peppers

    I grow beautiful bell peppers, shepherd peppers and chilli peppers. Unfortunately when I cut them open they are full of worms. This is heartbreaking. Is there some kind os spray that I can use to prevent or eliminate the infestation ...