Q: My Nikko Blue hydrangeas have blooms that are partially to fully brown from some sort of disease. The leaves are fine; only the blooms are affected, and soil pH is perfect. I have reached out to ...

Previous studies have demonstrated the efficacy of calcium (Ca) spray applications derived from Ca chloride for reducing botrytis (Botrytis cinerea) infection severity on petunia (Petunia ×hybrida) ...

Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

Brown buds that fail to open on peonies and some roses, especially the white and pink flowered varieties are likely the result of Botrytis Blight also known as Gray Mold. This fungal disease is most ...

Q: I have been planting tulips in a bed for many years and never had problems. Now, the new leaves that are emerging appear twisted, with some leaves looking rolled up. Some of the new shoots have ...

As it does every year, a powdery white dusting is beginning to appear on the leaves of my lilac bush. Ah, if only this coloration were desirable, if we could affectionately refer to it as a silvery ...

Peonies are handsome bushes with beautiful flowers, often fragrant, that are excellent for cutting. Dear Helen: I delight in the peony bushes in my garden, but this year I noticed a few wilted and ...

Was it just two weeks ago that I expressed my concern — yes, right here in this space — that summer would never come? As I write this, the weather is tropical. It’s as hot and humid as south Florida ...

P.E.I.'s blueberry crop is showing low levels of the botrytis blight thanks to the cold, damp weather in June. It's really scattered, it's not a big outbreak or anything like that — Chris Jordan, ...