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Raspberries are tasty, but spread in the garden through underground root growth, but without consideration. Here are 2 tips on how to prevent this.Raspberries form underground roots, raspberries are delicious, there is no question about that. But as delicious as the red, yellow or white raspberries are that you can harvest in June and July, raspberries can also proliferate. The underground growth is not exceptional, because they are root plants.
Underground growth - what is it?
This means that from their ever-branching roots, new plants are constantly being formed. These plants do not bear fruit in the first year. This only happens the following year. After they have borne fruit, the shoot dies. But the root continues to grow underground and provides “offspring” in other places.
Actually a fine thing, if it weren't for this proliferation that is difficult to keep in check. Because raspberries naturally don't stop at the lawn or other beds. So how do you curb the underground growth of raspberries?
Prevent underground growth - Here's how!
With spades and manpower
This is not so hard. You take a shovel and push it into the line as deeply as possible at the border beyond which the raspberries should not grow. As a result, root runners are severed and you have rest for a while. You should repeat this procedure at least twice a year.
Create a root barrier
Another option that is best used directly when planting the raspberry bush is to set a root barrier. This root or rhizome barrier must be created so that the entire growth area of the raspberries is covered. As a rule, this is around 3 meters.
Important: Don't forget to water the raspberries regularly, as the root barrier "stops" the rainwater. But it shouldn't be too much, otherwise waterlogging will occur.