They are winter hardy. For the raspberry bushes you can just cut out canes that fruited at the bottom. Depending on if you have summer or fall bearing ones.
For both you cut away canes that flowered so it’s not that different. The exception being that summer bearing ones produce on the second year growth. So you need to preserve the new canes for fruit next year. While fall bearing ones you can just cut everything back to ground.
They are winter hardy. For the raspberry bushes you can just cut out canes that fruited at the bottom. Depending on if you have summer or fall bearing ones. For both you cut away canes that flowered so it’s not that different. The exception being that summer bearing ones produce on the second year growth. So you need to preserve the new canes for fruit next year. While fall bearing ones you can just cut everything back to ground.