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About Lynnette Payne
Expertise
I am knowledgeable in all aspects of growing roses, especially their disease problems. I can also help with organic growing of roses.

Experience
I have grown roses for over 50 years, worked in a rose nursery in the Pacific Northwest and now, thanks to retirement, have managed to stuff over a 800 roses into an acre of land.

Organizations
Vice president of a large garden club.

Publications
Have written the modern and antique FAQs for Gardenweb. Answered Questions on AllExpert when it first started and have a rose information website with photographs which is still being expanded. www.theoldrosarian.com

Education/Credentials
I studied under a British Rosarian in regards to rose history, blood lines, identification, breeding, diseases and propagation.

You are here: Experts > Home/Garden > Roses > Roses > Knock out roses

Roses - Knock out roses

Expert: Lynnette Payne - 11/1/2009

Question
I have a winter home in central Florida. While gone this summer my knock out roses got out of control and also have discolored leaves.
When can I trim them back and how far? What do I do about the discolored leaves?

Thanks.5

Answer
You can cut your roses back now. If you want them to be 3 feet tall then you have to cut them back to 18 inches as they will grow back again and become 3 feet tall. If you want them taller then only prune back to about 2 feet tall. If you are finding that the roses really go wild, then prune them right back to 12 inches and that should make a tidy bush for you.
I am confused about the leaves as rose leaves can have many problems which will cause different colours on the leaves. Can you describe the leaves for me please.

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