Pruning Hibiscus Tree

My hibiscus tree is 15 feet high but this year is the worst for the centre branches dying. I haven’t pruned them out yet but I do fertilize, water regularly and it usually has a beautiful showing, although the japanese…

Donated plant id

This plant was donated to our Horticultural Society plant sale with no ID.  I live in the Niagara region of Southern Ontario. The leaves are alternate and toothed.  New stem growth is bright red, with upper leaves having red veins.  …

Sick Rising Sun Redbud

I’m hoping you can answer my question in regards to my Rising Sun Redbud. I did have leafhoppers on my tree, but sprayed it about 4 days ago and haven’t seen any since. I do have another problem with the…

Pruning a pagoda dogwood

Can I prune a pagoda dogwood now (ie in June) or do I have to wait until next spring? The perennials planted below are being badly shaded and I wanted to remove the lower branches.…

Hydrangea Help!

Our beautiful hydrangea tree, which is 10 years old and a stunner every year, is shedding leaves. They are turning yellow and have green splotches and black dots on them. This has never happened before. We think the tree may…

Are leafhoppers common on Rising Sun Redbud

I have this tiny long green insect (about 3mm) on the underside of my Rising Sun Redbud leaves. From my research, it appears to look very similar to a leafhopper. Are leafhoppers common on Redbuds and in Ontario. What would…

Tree Health After Paving

Hi – I recently renovated my backyard and now I have stone pavers/mulch surrounding my 2 trees. It wasn’t until I finished it that I read about ‘mulch volcanoes’ and keeping the root flare exposed. I tried to dig as…

Dying Emerald Cedars

I’ve had three different sets of emerald cedars die, I’m talking about 30 of them each time. All planted by a long-standing professional landscaper, who is also puzzled. Proper watering, planting depth, etc. have been followed and even modified to…