Keep canes upright by tucking them between the wires as needed. Construct a simple trellis system with removable wires or twine at 2- and 4-foot heights in open-field settings, or 3- and 6-foot heights in high tunnels. Primocane raspberries require little training. Remove low-hanging trellis wire, twine, drip irrigation, and soil moisture sensors before mowing down canes. This is not a common practice because it increases labor without a likely yield benefit. You are unlikely to see an overall yield benefit, but some growers want both a summer and fall crop from the same plants. There is no set number to leave, but be sure to space them at least 6 inches apart and leave ample space for new primocanes to grow. Those floricanes will produce a modest crop again in the coming year. If you would like a small summer crop from primocane-fruiting raspberries, you may leave some primocanes behind to form into floricanes. Since the primocanes produce a full crop of fruit, there is no need to keep floricanes. New canes will emerge from the ground in the spring. Use a mower, sharp lopper, or hedge trimmer.
Simply cut the canes to the ground each year in the late fall or early spring when they are dormant. PruningĪ major advantage of primocane-fruiting raspberries is how easy they are to prune. New primocanes emerge in the spring after the last year’s primocanes are mowed down.
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