Why Do Rose Stems Turn Black? - TheArches

There can be many reasons why your rose bush stems are turning black, but the most probable one is stem cankers. Click here to learn more.

Rose Diseases - Diseases that damage roses. - Kansas City Rose Society

Diseases

rose branches going brown and dying. in the Roses forum

Rose Diseases - Diseases that damage roses. - Kansas City Rose Society

A rose-tinted spectacle: new varieties versus the old favourites

How Can I Stop Die-back on Roses? - BBC Gardeners World Magazine

What's wrong with my plant? : Garden : University of Minnesota Extension

Rose cuttings turning Black / Brown from fungal disease

Rose cuttings turning Black / Brown from fungal disease