Leaves turning red! Powdery mildew!

[Toronto Gardener]

I have a four year old service berry that is suffering. The leaves are turning red, I think I have powdery mildew and there is white fluff stuck ton the leaves. The bark looks fine. Should I spread compost at it's base and hope for the best? I live in Toronto

[bullthistle]

Are you sure it is powdery mildew? It normally occurs in warm climates. Use baking soda or neem oil. When you rake the leaves in the fall discard them do not compost if it is.

[Toronto Gardener]

Looks like powdery mildew. Grey blotches on the leaves. I have given it a good soak and keeping fingers crossed.

[Marlingardener]

Powdery mildew can be controlled with a solution of 1 qt. water, 1 tsp. baking soda, and a few drops of soap, mixed up well and sprayed on the top and bottom of the leaves.
Watering in the morning gives the plant a chance to dry off, which discourages mildew.
Remove any leaves that have fallen off, and if you spread compost (which won't hurt) make sure it isn't up against the trunk of the serviceberry.
Everyone has been dealing with new diseases/problems this year, due to our strange weather. If your serviceberry is 4 years old, it will survive--but also will appreciate your help!

[Toronto Gardener]

Thank you so much. I will get this ASAP.