How to propagate wild raspberry plants

Written by aileen clarkson
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How to propagate wild raspberry plants
Wild raspberries are smaller than their commercially cultivated cousins. (Pali137/iStock/Getty Images)

Raspberries grow easily in the wild, spreading like wildfire in the right conditions. If you'd like to tame some of these deciduous plants, there are three ways to propagate them. When selecting raspberry canes in the wild to propagate, look for signs of disease -- such as wilting, spots or yellowing -- so that you do not pass the virus on to your new plants.

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Tip propagation

When you come across raspberries in the wild, you probably will notice that many canes are so long the tips have bent over to the soil. These tips will form new roots if the soil is moist. In the spring, after danger of frost, sever the rooted tips from the mother plant with a sharp spade and replant them. If there are no canes buried, simply dig a hole, gently place a cane tip in the hole and cover with 7.5 cm (3 inches) of soil. Water well, then dig up the following spring when roots have formed.

Suckering

Suckers growing away from the mother plant can be lifted and replanted in your garden. The best time to transplant suckers is late autumn, while they are in their dormant period. The suckers should be severed from the mother plant with a sharp spade, placed in their new holes, and any remaining foliage removed.

Stem cuttings

Propagating with leafy stem cuttings is the most feasible method of obtaining large quantities of plants from the wild. Take cuttings from the final 10 to 15 cm (4 to 6 inches) of a firm -- not too young -- cane. Place the cuttings 5 cm (2 inches) deep in a perlite peat or peat sand mixture. They will need to be misted daily for two to four weeks, before the roots are formed. Move the new plants to the garden in the spring, after the final frost.

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