Magnolia scale

Please give me an advice with magnolia scale treatment for a very big tree. Can I spray by myself and what product or I need to call professionals? The house is in Woodbridge. Thank you,…

Powdery Mildew on Bee Balm

My Bee Balm has a white substance on all the leaves. Surprisingly it as started to show a few flowers. What do I do to get rid of the residue. Can it spread to other plants in my garden? I…

Hosta Leaves Going Brown

I have 2 hosta that have leaves that have browned and on investigation the whole stem easily pulls away. I wonder with the heat and humidity if its Southern Blight and what fungicide should I use.…

wild pear leaf issue

Hi. I have a collected wild pear (from a field near Owen Sound) that will one day be a bonsai. For the past 3 years it has been growing well in the ground to fatten it up. A few days…

chlorotic clematis

I have 3 clematis in different areas of yard that display chlorosis of only a part of the plant?…

Looks like different kinds of Boxwood fungus

Hi. Front yard. South facing. 23 box (Asian variety) shrubs on a mound, some full sun, others part shade. Leslieville Toronto. All seem to have minor fungus that Google tells me is different kinds of fungus. Some minor root fungus,…

orange rust on Black Raspberries

On a shady hillside in Scarborough, (a “reverse” ravine) under Black Walnuts, we have a large number of Black Raspberry bushes. These are supposed to be compatible. We started seeing orange rust a year ago (maybe 2) and now it…

Disease on purple sandcherry

A purple sandcherry has developed white, greyish dots. Dots can be easily scraped off. Portions of the tree have died off while the base is sending out many new shoots. Please see pictures.…