Suspicious lawn dry patches

Hi there, Back in April, we installed new sod in our front yard. A few weeks ago, the area where the new sod was installed started getting dry patches. The area where the old grass stayed does not have these…

Garlic Stem and Bulb Nematode

Hello, I am hoping to sort out whether or not my crop has been infected with the aforementioned nematode. My plot is in the west end of Toronto(zone 6a), in a community garden. I have been growing garlic there for…

White flies invading house plants

Can you recommend an address of a reputable company who can identify some indoor pests? They are moths, and I wonder if they’re the LDD moths, which have been increasing recently.…

Annual devastation by spider mites

Hello, master gardener. Spider mites are my nemesis. I engage in a, mostly losing, battle with them every year over the the plants I try to grow in planters on my east-by-south-east-facing Riverdale balcony. They devastate my aristolochia and impatiens,…

Scarlet Runner Beans being eaten on the vine

Climate: Hot and sunny through Summer (a little bit north of Toronto). Beans usually thrive. Soil is amended triple mix. Two beans are in pots, others are in a raised bed which is at least 40ft away from the pots.…

Euonymous Damage

I have extensive damage to my euonymous plant this spring, I guess caused by winter weather. Large portions of this mature shrub are brown leaved/dead. The bottom part of the shrub is fine; it’s just the top and middle. Can…

Green caterpillars on boxwood

I live in Toronto and for the second year I find green caterpillars on my boxwood. Last June I picked up by hand at least 200 of them. Yesterday I noticed droppings underneath the boxwood shrub which was nearly denuded…

Use of tulle and drainage material in container

Hello, 1st question: Is it a good idea to use tulle to cover my greens (kale, swiss chard, basil) in containers to prevent pests, ie. whitefly, slugs, etc. from infesting the leaves. I was thinking of using clips around edge…

Rugosa Rose

Our Rugosa Rose bush (I think this is the species) came up beautifully this spring and now looks like the attached photo. The green leaves and new leaf buds recently started to wilt and some are even turning yellow. We…