Green laceleaf waterfall japanese maple

I have a two year old green laceleaf waterfall japanese maple in my front (west facing) garden that gets full afternoon sun. Up until now it’s been healthy — but it has only leafed in about 30%. Before this tree…

Gypsy moth caterpillars on my Colorado spruce shrubs

My lovely Colorado spruce shrubs in our yard seem to be heavily infested with gypsy moth caterpillars. They’re eating the soft young needles and have damaged this spring’s new growth. We planted the shrubs 5 years ago and this is…

Norway Maple Leaves

We live in Mississauga and have a 10 year old Norway maple tree that is dropping its leaves prematurely. In the last 3 days, it has dropped at least 50 leaves. The leaves are completely healthy except on the stem…

Tiger Eyes sumac

I have planted three of these, two this year and one about two years ago. They are supposed to be non-invasive; however, I have read on gardening forums that many gardeners (e.g., in Northern Illinois) are now finding that after…

black knot in my plum tree

I have a plum tree in my backyard which I don’t think has been pruned for years (I purchased the home 2 years ago). I’ve noticed black knots in the tree and this spring a brownish knot on the branches,…

Winter Drought Stressed Magnolia

Hello, I live in the south end of Etobicoke very close to the lake. I have a beautiful magnolia tree in front of my house (faces east) that is more than 30 feet high. Despite having many buds for flowers,…

Rose of Sharon

I look after a rose of sharon that grows in a small stone planter across from my house.  This spring (as of June 11th), there’s not a leaf on it, but the twigs seem to still be green inside.  Do…

eastern redbud tree

My eastern redbud didn’t flower this spring and has no leaves. The branches break when I bend them and the bark is flaking off. does this mean the tree is dead? I live in downtown Toronto and the year is…

tree in Victoria BC.

We saw this tree in Victoria. It is across the street from the government building and there were 5 of them planted. We did ask some City Gardeners, but they did not know. We were there in May and they…

Verticillium wilt and cornus

My Japanese maple Sango Kaku succumbed to verticillium wilt, and I wanted a cornus kousa in the same spot. I see that “cornus” is listed as both susceptible and resistant, depending on the cultivar (and the strain of Verticillium present…