Fungus on Carpinus?

I have small black spot and on twigs of my hornbeams that’s spreading and causing branch die back. I’m seeing similar tip die back on a nearby River Birch and Limber Pine but no spotting. Is this fungal? What is…

Kousa dogwoods

I have 4 Kousa dogwoods that have bloomed beautifully the last 3 years. I definitely dying, 1is sort of OK and is blossoming and the other 2 look I’ll. The leaves are shriveling and the flower and leaf has this…

Oak leaf die off

My swamp white oak is experiencing leaf die off starting on the bottom branches and from the trunk out. There is browning on the tips of the leaves and curling but there are also holes in the leaves all the…

Maple tree – fungus?

Hi there: our northfacing house has a large maple (I believe it is a silver maple) that almost overnight starting developing rot/black and brownish curling after the tree’s leaves started to mature (about a week or so ago). We have…

Tree disease

Hello, Please help me in identifying the disease on this tree. There are black patches on the leaves. Thank you…

20 Yr Old Pin Oak with Leaf Scorch?

  What can I do to save the tree? Ends of leaves have turned brown and curl. Fuzz white nodes on underside of leaf at the apex of main vanes in the leaf.…

Black Spots on Maple tree

We have several very large Maples in our backyard. This year the leaves have black spots and eventually the black covers the entire leaf which falls off. The tree still produced keys. We have 3 maples in our back yard…

Manitoba Maple with Black Leaves

I live in Riverdale in Toronto, and the Manitoba Maple in my front yard has been losing leaves the past few years. This year is the worst with many of the leaves curling, turning black and falling off. Is there…

Grape Vine Problem

Hello – I’m located at College and Dufferin and have a well established grape vine in my backyard. I don’t know the variety – the grapes are green, seedless, small and quite sour. We love the vine for the shade…

Red Oak Leaves Curling up and Falling off in July

I planted a Red Oak tree in our front yard 13 years ago.  Up until last summer it always did well.  Last summer, and now this summer, it’s leaves turned brown, curled up and are now falling off (in July). …