Q.Why Do I Get Yellow & Brown Leaves On Planter Rose Bush?
got brown & Yellow dry leaves on roses. Rose buds don’t open up fully or drop off. Have used a liquid fungicide & miracle grow for roses. Rose bush is in large planter box & is a miniature rose bush.
Certified GKH Gardening Expert
These articles should pin down the problems:
https://www.gardeningknowhow.com/ornamental/flowers/roses/yellow-rose-leaves.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/brown-edges-on-rose-leaves.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-bush-diseases.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/what-is-rose-balling.htm
https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-curculio-weevils.htm