Dead lawn and plant disease

My beautiful lawn died within one week, so did my neighbors’ on either side as well as the neighbor to my rear. The whole lawn, not just small areas. In addition to the dead lawn there seem to be some…

Tomato plants

I have several tomato plants although the fruit developed beautifully, all of a sudden Some of the branches turned dark, leaves died and dropped off and some of the fruit turned brown near the stem and fell off the plant.…

Box tree moth

I have a lot of boxwood hedges and they are not doing well and after a lot of research I discovered we have box tree moth and I purchased BTK the biological insecticide. I was having trouble determining when to…

Maple tree disease

Hi Master Gardener, I have attached a photo of my maple tree. It seems that it has some disease. Would you please let me know how it can be treated? Thanks a lot…

Lily of the Valley – brown spots on leaves

Hello! I live around the East York area and have recently bought a Lily of the Valley from a nursery which I am trying to keep as an indoor houseplant. It is currently beside my orchids and my peace lily,…

Canteloupe Failing to Thrive

Vines have struggled this year. Started slowly, I think due to a cool June in Kitchener area. Some vines shrivelled and died. Wasn’t from lack of water. Didn’t see any striped cucumber beetles this year, which I know do spread…

Cucumbers Dying

Hi Master gardener, Some cucumbers in my garden look like dying. The leaves became all dry although I water them regularly. There are cucumber beetles, but I have them under control. The leaves look like they are infected with some…

Dying Katsura Japanese Maple

Hi there, We planted a mature Katsura Japanese Maple in our front south facing yard about 5 years ago. It is currently about 12 feet tall and 5 ft wide. It initially thrived with lots of new growth, but in…

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…