Knockout Rose Bushes

Knockout Roses


Anonymous added on March 10, 2018 | Answered

One of my plants has a white scaly stuff on the branches---plant is mostly dormant but just beginning to start getting some leaves. The scaly stuff was there before the growth started. Don't know what to do if anything?


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MichiganDot
Answered on March 11, 2018

Here is a good rundown on rose pests. http://www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening%20Help/Visual%20Guides/Rose%20Problems.pdf. You may have scale insects which over-wintered on your canes. Here are some treatment options: http://www.clemson.edu/extension/hgic/pests/plant_pests/flowers/hgic2107.html

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