I have outdoor hibiscus for 30 years in Guelph, in the last 10 years I noticed infection of black spots on the red hibiscus and the flower is deformed. I asked several horticulture specialists and used all their advices, but…
Tree over 20 years old in fairly sheltered spot, facing North and in Upper Beaches area. Since Spring complete branches devoid of leaves. Buds started to form but died. Rest of tree fine and bore fruit. Some crinkly browning of…
I have 4 Kousa dogwoods that have bloomed beautifully the last 3 years. I definitely dying, 1is sort of OK and is blossoming and the other 2 look I’ll. The leaves are shriveling and the flower and leaf has this…
Zone 5
Mature Perennial garden, morning sun, mid-afternoon shade. Soil is clay, but I have amended it in recent seasons with sheep manure.
Very wet, cold spring this year.
Leaves of Shasta daisies, brown-eyed Susans and coneflower are either covered…
Hi there,
I have a beautiful big Schefflera plant that I bought two months ago. It had some leaf drop which initially I thought was adjustment to the new location, but since then it has developed black spots and black…
I am in the beaches part of Toronto. We have had baltic ivy growing over our front garden wall for over 15 years. It is a very sunny exposure yet lately I am finding many leaves going yellow with dark…
As discussed by phone here are photo’s of our Virginia Creeper showing what we believe to be a fungus problem. Please confirm that that you suspect that this is fungus and also whether you see any other problems in addition…