Hornbeam and Beech tree diseases

I live near High Park and I was considering planting european beech trees or hornbeam but I just came across some information about diseases in them. Is this a serious enough condition to find another tree and if so are…

Dying dogwood and serviceberries (partially)

Hi my dogwood and serviceberries have some branches that seem dying. The top half of the dogwood seems completely dead. And a really long brand of the serviceberries is dark black with lots of spots on it. All those branches…

Powdery mildew on Hydrangea

Hi. I am a beginner in gardening. I recently purchased the hydrangea in the picture, and some white powder-like markings appear on its leaves. I suspect that those are mildew, and had used Safer’s 3 in 1 Garden Spray Fungicide…

Japanese Maple – Bleached Leaves

Hi again, I appreciate every time I have written in and I have received great advice. So, what brings me here today? I am attaching a photo of my ten year old J. Maple. I just noticed that, on two…

White oak leaves dying – leaves brown and curl

Hello, I live in Mississauga ON, with conditions of sun and shade, and clay in the soil. Our lovely, hugely tall tree that we inherited full grown 50 years ago, has been dropping leaves and twigs all summer long. The…

Tea Plant – Camellia Sinensis

I started a tea plant (Camellia sinensis) from seed during the late fall. The plant is in a partly shaded, sun dappled location. Over the last few months the new leaves have been getting lighter in colour. Thinking the problem…

Gardenia leaves/stems dying

We have a gardenia that was very healthy and blooming. It’s a cluster of some 4-5 stems, in a well draining soil (about a 12″ pot with lots of holes). It would have the occasional yellow leaf, but otherwise in…

Gerbera Daisies

I cannot for the life of me figure out why some of my Gerberas are dying while the others thrive. They are in a rectangular planter box beside our front stairs. They get full sun (south facing) and are well…

Vinca die-back

Many of my vinca ground-cover plants are dying back. These plants have been healthy for many years. Symptoms include: black stem, yellowing leaves that turn brown and fall off. I am hoping there is a way to reduce the spread.…