Powdery Mildew
It appears as though many of the flowering plants in my garden have powdery mildew. There’s a grey substance that covered the leaves; some of the flowers died, others did not bloom. There also seems to be bugs: small orange…
Tag Archives: diseases
Phlox and powdery mildew
Lavender colored phlox grows in mostly clay soil develops mildew each year. It is in a sunny area not over watered. How can I prevent this?…
No flowers on heirloom Black Krim
I’d purchased an heirloom back krim tomato plant at the richmond hills backyard event from the master gardeners end may.
Lovely plant- it gets around 6 hours of full direct sun. it is in a 18×18″ square container which is…
Elderberry stopped flowering
We have several wild elderberry bushes. We have harvested the berries for over 20 years. Last year, two of the bushes produced almost no flower heads: in their place were ‘heads’ of very small leaves. The appearance is that the…
Garlic Disease
I, and my neighbours are having trouble with our garlic this year. We are located is south east Toronto, Leslieville.
The picture 1 attached is of a garlic that was planted using a clove from last year’s harvest and has…
Tulip tree
We live in the city of Toronto. We have a tulip tree in our back yard. It is planted in partial sun. Every year, the leaves turn yellow with dark brown spots and end up falling off the tree. I…
Young pinus densiflora (tanyosho) with problems
I planted this young pinus densiflora (tanyosho) a few weeks ago. It seemed healthy when I purchased & planted it. Yesterday I noticed there is a white substance building up at the tips of the new growth (looks sort of…
Problems with a Serviceberry Tree
My serviceberry is covered with white fluff on the underside of most of its leaves. It is producing berries at this time. I have sprayed the leaves they’ve using a product by Safers. This problem happens every summer. The tree…
Early/late blight, fungas, mildew on tomato plants
Dear Sir/Madam,
I have 12 heirloom tomato plants in my community garden in Toronto. They are planted in full sun, properly spaced (35 inches apart) watered properly in soil that is augmented with mushroom/turkey litter compost. I have been planting…
Plant disease
I have brown spots on my plants – the Rozanne and other geranium and dead nettle.
I think it might be leaf spot. The nursery thought it was leaf scorch. What do you think and how might I treat it…