new at rose cuttings
Hi. I have gottten several cuttings of roses that did well in this environments with no blackspot, disease, spraying, etc. I have dipped them in rooting hormone, placed them in potting soil/perlite in cups with drainage holes, and put the whole thing in a huge rubbermaid storage container. There is a small amount of water in the bottom of the container. I keep the lid closed all day, indoors next to a window. Lots of leaves are dropping off, one container has some mildew so I removed it, and a few cuttings have black stems. Should I not leave the lid on so much? Should I remove those cuttings with black stems? Advice would be much appreciated. Thanks!