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Raspberries flourish when the canes are about 6 inches cm apart. You will likely get a small harvest of berries in the late spring or early summer. Prune Raspberries How To Get Better Harvests Pruning Raspberries Raspberry Growing Fruit. Double cropping of autumn raspberries. When do you cut back raspberries. In their second year its time. May 06, Actually, you should never prune the primocanes of a summer-fruiting raspberry plant. Nope! You never need to prune the primocanes of a summer-bearing raspberry plant, but doing so will increase the quality of your raspberry crop.
That said, you shouldn't prune the primocanes until the plant is three years old, or you could reduce your yield%(64). Jan 31, Cut them off at the base, at ground level. If you attempt to pull these out or dig them up, you can do damage to the plants’ root systems. However, you may find that raspberry suckers also pop up at some distance from the main stand. In such instances, you can safely dig these out without doing damage to your main raspberry bushfell.clubted Reading Time: 9 mins.
Raspberry plants are pruned by cutting back canes after they bear fruit. Cut back one-crop, summer-bearing raspberry canes as soon as the harvest is over. Cut these just harvested canes down to the ground. Do not prune back new canes that have emerged during the summer. After the old, fruit-bearing canes have been cut back, train the new canes to a post or to one or two horizontal wires. Dec 01, Prune the raspberries to 36 inches in height at this time; this is called topping.
Basically, you are pinching out or cutting off the shoot tips, which will encourage the lateral growth and result in higher berry production. After July, the canes become weaker, and you can.