Roses that suddenly change color usually have suffered a dieback above the graft union. (All-America Rose Selections) Q: My rosebush for years had yellow roses ... root-stock plant would've ...

it is the rootstock the Julia Child rose was grafted onto. If any parts of the bush still produce yellow flowers, keep them. All parts producing red flowers should be pruned off and removed back ...

Harison’s yellow rose is an old ... The flowers appear in clusters and the bush blooms for three to five weeks. The prickles of this rose are transparent red when young, gradually becoming ...