Horse Chestnut

IS A CERTIFIED ARBORIST THE SAME AS A CERTIFIED TREE DISEASE DIAGNOSTICIAN? I NEED TO FIND OUT WHAT IS AILING MY TREE AND AM LOOKING FOR A REFERRAL. MANY THANKS!…

Sad looking Boxwood

Hi, My boxwood is along a garage and faces south but has some shade because of a beautiful oak that is situated in our garden. At the beginning of the season there were some brown areas on the bush but…

Coneflowers wilting and drying up

Hello, why are my coneflowers are wilting and drying up. I’ve attached a photo. It seems to be happening section by section as you can see some stems are still fine. I live in Scarborough. They’re planted in a flower…

Cucumber Disease

I live in zone 6. Clay soil, that has been amended with manure worm castings, compost and balanced organic fertilizer. My cucumbers have had a few leaves like this one in the photo. I am not sure if this is…

Spruce tree dripping sap

We have 5 spruce trees Along our fence line and for some reason they are all dripping sap. Seems to be coming from the needles but has been going on for weeks now. Earlier in the spring I noticed lots…

Powdery mildew on zucchini leaves?

There is some white spots on my zucchini leaves. I was wondering if they were infected by powdery mildew. How can it be treated? Thank you so much for your help!…

Can you cut down an itoh peony in June?

My itoh peony is full of powdery mildew. It is beyond the prevention stage. I am worried it may spread to the phlox nearby. Can I cut it to the ground in June after blooming, or do I have to…

Gardenia – black spots

Hi there, I’ve read your other posts (as well a lot on the internet) to try to figure this out without success. I recently purchased a gardenia plant from a local garden center. There were a few of them that…

Gerbera Plants. flowers twisted,

Plants, same pots now as last summer. Purchased separately, planted in 3 pots. Sat in a North window and blossomed all winter. Spider mites treated with dish soap in a gal. of water, thorough spray then showered off. Roots seem…

Clematis leaves dry up

My Clematis leave all dried up? What might have caused the problem. Will this spread to other plants such as lily? What kind of soil is good for clematis. I added some wood ash to the soil, is woo-dash good…