Tag Archives: fungus

Hanging begonia – mildew

The leaves of red hanging begonia have mildew on them. It is not producing the flowers it should. Is there a solution I can use to restore the plant back to health?…

Pest or fungus damaging a peony plant

Peony plant, mostly sunny spot, well drained soil, began to have curled deformed leaves as it transitioned from red shoots to stalks and leaves. No buds, and patches of the plant are looking quite deformed and affected stalks now turning…

Midwinter Fire Dogwood Black Tipped Stems

Hello – Thank you for taking my question. I am very sorry not to have pictures. I am wondering if you have seen midwinter fire dogwood (cornus sanguinea) with sooty black tips. There is a similar photo at this link:…

Brown on Spruce needles

Hello Toronto Master Gardeners, Our Black Spruce normally gets brown needles on the inside, which fall off. This is not an issue, normally. But now, there is much more blastiness all over the tree. Kindly see attached. Is this just…

Using Disease and Blackspot Control Fungicide

Hi there, we bought a house this year and the house came with a rose bed in the backyard. I believe they are Australian roses (but I might be wrong). The roses has some sort of a pest since almost…

Japanese Maple issues

Hello, I am in Zone 5 and this Japanese maple has been planted in this location for 4 years. We have a French drain that diverts the roof rain water away from this area. However, this summer the rainfall has…

Serviceberry rust

We have a problem with rust on our serviceberry bush. The bush is about 3 years old. The rust is visible in the spring & continues through the summer. Is there anything that we can do to get rid of…

Diamantina Clematis

Help!!, My 3 year old dementia is loaded with beautiful flowers in a pot on our south w facing terrace. It overwinter well and is blooming well, but suddenly some of the leaves are turning brown black and you the…

Shrub for fungus-prone garden

We have a small urban backyard garden in Toronto. Our pagoda dogwood died of golden canker. Our serviceberry has rust (probably related to neighbouring juniper). We would like to plant a flowering shrub in the spot where the pagoda dogwood…