• Scale on my Corylus avellana ‘Contorta’?

    I have a 17 year old Corylus avellana 'Contorta', sometimes called Harry Lauder's walking stick. It has always been very healthy, earlier this fall I noticed several dead branches, on closer inspection I can see bumps on the branches. The ...

  • Azalea Vaseyi

    Last week I bought 3 Azalea vaseyi. How big will they grow? Can they be pruned for a poolside garden? Are they slow growers? Do they like acid fertilizer like Rhodos?

  • Weeping mulberry requirements

    I have purchased a weeping mulberry Morus alba "Pendula". I want to plant it near my driveway, but there is a well nearby ... are wet conditions a  problem for this tree?

  • Have I killed my Madonna Elder?

    I relocated it recently and now the leaves are wilting! What should I do?

  • Serviceberry Problems

    My serviceberry has developed a yellowish powder on the undersides of the leaves, and those leaves yellow and drop off. What is this and what can I do about it?

  • Thinking to Plant Emerald Cedars

    Please advise about the care of these trees.

  • Pruning Clematis, Hydrangea and Emerald Cedars

    Is April too early to prune Jackmani clematis? And I am confused about how to prune Blush Bride Hydrangea. Also I have some small (2 year old) Emerald cedars in my yard. Do I need to water them?

  • Pruning espaliered apple and pear trees

    My fruit espaliers are now 4 years old. How do I prune off shoots? How far back?

  • Cutting down trees in Toronto

    I want to cut down some big trees in my yard. Is there still some rule about not cutting down trees of a certain size?

  • Pruning daphne and lilac

    I have a daphne burkwoodii that has spread to 8 feet, how do I cut it back to a more reasonable size? And I also have a dwarf Korean lilac I'd like to make smaller.