Walnuts are not only rich in vitamins A, B, C, E, K, but also in the shell, under which lies a nutritious kernel.
Experienced gardeners, when they enjoy nuts, do not throw away the shells, but use them to benefit their “green pets”.
This "garbage" is useful in three cases. Thus, many gardeners know about the importance of high-quality drainage for indoor plants.
To do this, they buy expanded clay or use river sand, which they walk to the nearest beach to get.
However, walnut shells are an excellent option for forming a drainage layer. Therefore, the remains of the fruit are not thrown away, but saved and used when replanting flowers. The shell will perform its assigned task for a year or two.
This "garbage" is also used as mulch to conserve moisture. To do this, simply place the shells on the top layer of soil.
Many summer residents have heard about the value of ash for plants. The remains of walnuts can be burned together with firewood and the combustion product can be used as fertilizer.
