Raspberry canes are usually available as early as mid-April. For the first few weeks, either
1. Keep them in a greenhouse, or
2. "Harden them off" (put them outside during the day but bring them inside at night)
By early May, it is normally safe to leave them outside. Keep some frost cover or old sheets at the ready just in case a heavy frost or snow is expected.
Potted raspberry bushes are often available throughout the growing season.
Buying Raspberry Bushes
Before buying raspberry bushes, consider what features are most important to you. Is it berry flavour? Proven cold hardiness? High yields? Harvest time? Whatever features are most important to you will guide you to your ideal variety choice.
At this point, it’s also useful to understand how summer-bearing and everbearing (fall-bearing) varieties differ.
Summer-bearing raspberries produce fruit over several weeks, starting in July. Here are some summer-bearing varieties to consider: