Content
- Why a root barrier in the lilac makes sense
- What is a root barrier?
- What to look for when buying a root barrier
- How to install a root barrier
- Tips
Lilac grows not only in the height, but in the ground also very wide
Why a root barrier in the lilac makes sense
Lilac (Syringa) is a strong foothills forming plant, which - depending on the species and variety - uncontrollably proliferates very quickly and displaces other garden plants. For this reason, the ornamental shrub is also classified as a neophyte and should always be provided with a root barrier.
What is a root barrier?
A root barrier does exactly what it expresses: it locks the roots within a boundary, ensuring that they can not spread underground. They are made of durable and very stable high-density plastics such as hard polyethylene (HDPE) or polypropylene (PP). The material is usually sold in roll form so you can cut it to the required length yourself.
What to look for when buying a root barrier
Many gardeners try to stop the spread of their lilac with the help of roofing felt or pond liner. However, both materials are not suitable for this purpose because the lilac roots can easily penetrate them. Instead, you should - even if it is more expensive - in the garden center market to acquire a high quality root barrier. For it to work as intended, it should have the following characteristics:
How to install a root barrier
After you get the desired root barrier, you can begin to insert it. Of course, the easiest way to do this is to dig it in when planting the young plant. But also a subsequent insertion is still possible. That's how it works:
Tips
By the way, lilacs should be dug out, otherwise they will drive out of their sleeping eyes.