Flamingo Box Elder

I have a flamingo box elder on my recently purchased property that looks as if it was recently planted. Is this tree invasive, does it have pests, should it be left in or removed? Any comments?…

Pruning Mature White Cedar Trees

I live in Toronto. My back yard has a hedge of 40-50 ft. white cedar trees. The branches have spread 6-8 feet from the truck. I would like to prune the branches back to 4 feet. Will this harm the…

Best time of year for planting trees

How late in fall can one plant a tree (and not a young, skinny one)? When in spring should one plant? Does it depend on the species? What is the best time of year for planting the following trees in…

Acer griseum

Hello. I am doing a presentation on the above tree and want to ask for help in identifying any cultivars or hybrids. Thanks.…

Caterpillars on redbud

Hello, I have just noticed web-like nests of small yellow caterpillars on the branches and leaves of my Eastern redbud. At the same time, I saw that many of the tree’s leaves have curled/ruffled edges, the veins are yellow and…