Q.Knock out roses showing sparse foliage in illinois
We have had a very wet spring but not showing a lot of green foliage on knock out rose tree. Stem are still green with the nail test , it’s just looking very week. I have fertilized it with Bayer .

Downtoearthdigs
Answered on May 8, 2019
Follow the feeding directions in the link below; this should give your plants a boost.
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-fertilizer.htm
https://www.gardeningknowhow.com/ornamental/flowers/knockout-roses/care-knockout-roses.htm
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