Prefer hardy and perennial plants
![Bevorzuge winterharte und mehrjährige Pflanzen](http://unwaste.org/cdn/shop/articles/prefer-perennial-plants_{width}x.png?v=1595323525)
If you want to cultivate your balcony or garden sustainably, make sure that the plants are winter-hardy and perennial. There are also a few plant varieties that sow, propagate and distribute themselves. This guarantees a beautiful green every year.