Troubleshooting
Raspberries problems — and how to fix them
Raspberries (Rubus idaeus) is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Wilted canes
Raspberry cane blight or cane borers; cut affected canes to the ground.
Crumbly fruit
Raspberry virus, often spread by aphids; replace the patch with virus-free stock.
Excessive suckering
Spreading roots; install root barriers around the bed.
Grey mould on fruit
Wet conditions; thin canes and pick promptly.
Prevent raspberries problems before they start
Most raspberries issues are care-mismatch, not bad luck. Dial in the basics:
Raspberries problems — FAQ
Why is my raspberries wilted canes?
Raspberry cane blight or cane borers; cut affected canes to the ground.
Why is my raspberries crumbly fruit?
Raspberry virus, often spread by aphids; replace the patch with virus-free stock.
Why is my raspberries excessive suckering?
Spreading roots; install root barriers around the bed.
Why is my raspberries grey mould on fruit?
Wet conditions; thin canes and pick promptly.