Garden Pests and Diseases: Strange Rosebuds, 1 by Kell

Kell wrote:
I think you maybe correct and rose proliferation is what has happened to your rose buds.

"Proliferation – Proliferation, or vegetative center, causes deformed rose flowers. This is one of those Mother Nature’s Kitchen items. It can occur with many rose bushes, perhaps a bit more with the floribunda roses. There is some school of thought that using high nitrogen fertilizers can bring about an imbalance within the rose bush that will cause the vegetative center. The visual of this one is a mass of green growth coming from the center of the rose bloom. It can look like a knot of green growth and even new leaves coming out of the center of the bloom. The best thing to do is to prune the bloom off down to the first 5-leafset junction with the cane and let new growth and a new bloom grow out. Genetic mutations – Another of the causes of rose deformities is really just a genetic effect, otherwise known as “an oops of nature.” These may include such things as several leaves growing together to form what appears to be one big leaf or having one bloom growing directly out of the center of a current bloom. Most rose deformities of the foliage can be a result of fungal attacks, insect damage and viruses."

Read more at Gardening Know How: Rose Deformity Info: What Causes Deformed Rose Growth [HYPERLINK@www.gardeningknowhow.com]

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This message was edited May 31, 2019 1:39 PM