emerald ash borer

Does the emerald ash borer infect young ash trees? I have an ash which is 2″ in diameter and about 18′ tall and am hoping that if the ash borer only infects mature trees then perhaps by the time my…

freemani maple – spindle gall and black spot

– I live in Kitchener (Zone 5) – I have clay soil – I think that the soil is on the alkaline side – house built in the 1960’s -planted a Freemani maple (red X silver) about 3 years ago…

Holly bushes have black spots and yellowing leaves.

I planted five holly bushes last spring. I believe the variety is Blue Prince. They are spaced about a meter apart. Now many of the leaves are developing tiny, black pin-prick sized spots, after which they turn yellow and drop…

What to plant with Emerald cedars

I have a row of emerald cedars. I want to create more garden beds in front of them. It is partial/full shade. do you have suggestions as to what would be best in front of them. the soil is mainly…

Hamamelistes Spinosus

We have a white chalky substance accruing on our birch tree leaves, causing the leaves to resolve into high ridges. I had been hoping to have a conversation with one of the gardeners but the volunteer failed to show at…

Adding Soil Around Large Trees

I am a volunteer gardener with the St. Mary’s Cathedral in the archdiocese of Kingston.  We have 8 large and very old trees on the site we maintain and have been adding soil around the trees in order to plant…

Beauty Bush

Partial sun – SW corner of yard which is fenced in. Topped up with compost annually. This year we had few blossoms but amazing growth of new wood so the shape is hidden with new growth. We usually prune after…

Dwarf Alberta spruce

Dwarf Alberta spruce. Can these trees be planted in a large, cut-off barrel as I don’t have the room for them to be put in the ground? We live in southeast Saskatchewan. They are about two feet in height now.…