Ask a Question forum: Do my knockout roses have rose rosette?

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Goldsboro NC
Jun 6, 2017 6:45 PM CST
My knockout roses wee beautiful last year but have struggled this year. They budded in the spring but the buds never fully bloomed. They turned brown and died. A friend told me to try cutting the bushes way back to see if the needed to rejuvenate. When I did that I was able to see the stems much better. After doing a little research I am now worried that they may have rose rosette. What do you think?
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Name: Dave Whitinger
Jacksonville, Texas (Zone 8b)
Region: Texas Million Pollinator Garden Challenge Charter ATP Member I was one of the first 300 contributors to the plant database! Permaculture Raises cows
Beekeeper Vermiculture Garden Ideas: Master Level Garden Sages Plant Identifier Avid Green Pages Reviewer
Jun 6, 2017 7:05 PM CST Admin

No, it doesn't look like it.

Rose Rosette Disease will present itself as a red witch's broom growth. It is very strange looking and very obvious when you see it.

Do a google images search for rose rosette disease and you'll see what I mean.
[Last edited by dave - Jun 6, 2017 7:05 PM (+)]
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Name: Porkpal
Richmond, TX
Charter ATP Member I was one of the first 300 contributors to the plant database! Keeper of Poultry Farmer Roses Raises cows
Garden Ideas: Level 2 Celebrating Gardening: 2015 Plant Identifier
Jun 6, 2017 9:11 PM CST
I think your roses look quite healthy.
Name: Philip Becker
Fresno California (Zone 8a)
Jun 7, 2017 9:59 AM CST
Prune to shape up. Get rid of anything dead. If there graphed, cut any growth below graph off. Below graph growth will not be the same rose, its wild.
Anything i say, could be misrepresented, or wrong.

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