I have several peonies. Several, but not all, are covered with white mildew. Will this weaken/kill the plant.
What can I do to prevent this. I have cut off the deceased stalks and cleaned up the area from any debris.…
Last summer I transplanted a Peony bush, but it didn’t bloom this fall.
The attached photo shows the transplanted stalks as dried and white, under the metal tripod with reddish metal suports.
Should I just wait another season to see…
I have two everblooming lilacs which were professionally planted last year in a large planter on my terrace. This spring they had lots of blooms and were lovely. They now however look bedraggled and did not bloom again. Their leaves…
I live in north Toronto and have a 10 year old trumpet vine Growing on my iron fence, so it gets plenty airflow. Sun in the morning until 1:00PM, then shade. What can I do to avoid the spread? Is…
I grow on a small second-storey deck in Toronto where I have a series of cages (for plants to be trellised and/or protected from squirrels) and shelves with various containers on them. At the very bottom of the shelves, we…
Hi,
not sure why there are white spots on my parsley? it’s planted in a pot ( balcony), gets 4-6 hours of sun. I don’t see any bugs crawling……
I had a landscaper plant 5 Dawyck (columnar) European beech trees for me along a tall concrete retaining wall to form a hedge. There’s plenty of space for the trees to grow. The planting was done about 6 weeks ago…
Hoping someone can help me with my well established lilac shrub. Its had some powdery mildew for the last couple years and last year some of the foliage turned a rusty colour, some curling and dying and there was a…
Hello – I have a lovely purple ninebark (could be diablo) and the last couple of years it’s suffered badly from powdery mildew which I didn’t detect until it was well advanced. I wondered whether (a) applying dormant spray now…
Hi Toronto Master Gardeners, I have spotted a mold or fungi growing on the backside of the leaves of my green corkscrew hazel and wanted to know what it is. while I have spotted the filbert blight in the past…