A Toronto developer is under investigation after a much-loved tree on a Leaside lot was cut down without a permit, city staff ...

I wrote about problems with this tree in July of 2009. Here is a new one. I recently discussed just problems with ash anthracnose disease in my June 2012 column.

Alternatively, yellow leaves can be a sign of a pH problem in the soil. Bottlebrush trees tend to prefer neutral to slightly acidic soils, roughly with a pH of 5.5-7.0. Using a soil test kit ...