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…

spreading native plant for Zone 5

I’m looking for native plants that spread quickly for a high clay content backyard in Toronto. Both sunny and shady areas are under consideration for this. My preference is for low-growing however this is not structly a requirement.…

Pink Chintz Creeping Thyme Seeds

I’ve purchased a plant of the thyme, as noted above.  I now want to fill in a much larger area and am looking to purchase these seeds from a supplier in the GTA, Ontario or even just within Canada.  I’d…

Dying plant – Leucanthemum superbum

My beautiful goldfinch Leucanthemum superbum was blooming beautifully in a sunny spot (full sun) and then some of the stems and blooms turned brown and died. Any idea what might be the cause? And how to fix it and prevent…

Planting anemones

I have a long rectangular garden bed that needs ground cover. I have selected two Anemone Canadensis/Windflower. Because they spread, do I plant them at each end of the rectangle and hope they spread inward, or do I plant them…

Transplanted Siberian iris

Hello Last September I divided an old clump of Siberian iris and moved the new clumps into a sunnier spot in the garden. This year, neither the old or the new clumps flowered although the leaves look beautiful! What should…

Vinca die-back

Many of my vinca ground-cover plants are dying back. These plants have been healthy for many years. Symptoms include: black stem, yellowing leaves that turn brown and fall off. I am hoping there is a way to reduce the spread.…

Dahlia’s weather stressed or diseased?

Hello, I am growing Dahlia’s for the first time in midtown Toronto, they were doing quite well until heat spell and a recent deluge of rain. Now one plant has some yellowing along the leaf veins, looks mottled (possible DMV?…

Peony fungus?

Hi …place was doing well…a very old peony plant…but recently turning brown, even on flowers. How can I help my beautiful old plant? Thank you,…

Heuchera plant dying

I had a 10 year old marmalade heuchera approx 4×4 feet in a sunny spot. It was thriving. Noticed flattening of stalks and shock to find plant had been disconnected from soil. Roots black and appeared bitten off in spots.…