We planted 4 rose bushes in our yard. One rose bush is turning brown and on one leaves are yellow, but 2 are doing great.
Certified GKH Gardening Expert
Here is a link to an article about roses foliage turning yellow for you. There are a few things that could be causing the problem for that one rosebush, including its own will to thrive. Article>> https://www.gardeningknowhow.com/ornamental/flowers/roses/yellow-rose-leaves.htm