Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Roses > Wound on stems
Roses > Stem > Wound on stems
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Canker
Several different fungi
- Dead branch within otherwise healthy plant
- Light colored blotches or patches, often with a reddish purple border, along dead stem
- Some patches may have flaky, loose or cracked epidermis (surface layer)
- Tiny black bumps may be seen on dead area of stem
- More information on canker
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Rodent Damage
Rabbits, mice, voles, and other rodents
- Leaves fail to leaf out or leaf out very poorly in the spring
- Bark is removed around the base of the cane and there are signs of chewing or gnawing
- If chewing occurred in the roots, plant may be wobbly and loosely anchored in the ground
- More info on controlling wildlife