Ask Categories: Pests & Diseases

Silver Maple Tree

I live in Scarborough SouthWest. I have a 35 year old Silver Maple in my yard. Suddenly last weekend the leaves started to wrinkle and fall off just like autumn. No other plants in my yard are affected. There has…

severe spring stunting

Hi there, My hot, dry front garden hosts a native perennial wildflower garden. It’s a mix of plants I’ve started from seed or bought from nurseries. It is primarily blackeyed susans, purple bee balm, coreopsis and purple coneflowers. In recent…

Boxwood infected with psyllid and something else?

Hello, My boxwood is being eaten alive by something (see brown sections in images). At first I assume it was boxwood moth pupae, but I’ve not seen any sign of caterpillars or the cocoon. I realized then that the white…

Weeping Cypress disease – updated with photo

Good morning I have sone problem with my weeping cypress tree – the tree is around 25 years old – approx 25 feet height. – planter in front yard next to driveway ( no salt damage ) – full Sun…

Peony pest

  Hello, I have noticed something biting the stalks of my peonies – I have sent a picture.  Currently I have wrapped the stalks in paper rolls.  Any other suggestions? Thank you,…

Rust on rose leaves

Hello, Yesterday, I noticed orange raised spots on the under leaf of some of my rose bushes. Two weeks ago they were not there when I pruned the roses. The raised spots were throughout specific plants. I take great care…

Beech Blight Aphids

My 20 year old beautiful Beech hedge has Beech Blight Aphids. What will work to get rid of them and NOT humans? Neem Bill, vinegar, epsom salts, dishsoap???…

Tulip blooms are bitten off but not eaten

Hello Folks: We have lived in this house for many years and some of the many tulips I have planted 25 and 30 years ago are still blooming, as are newer plantings. For about the past five years a new,…

Peony disease

There is something wrong with two of my peonies. The leaves are shriveled and curling but there are no visible insects on it. On one of the peonies the edges of the leaves are black. What can I do? They…