As stated previously, using decorative stones on top of soil prevents plant roots from being over-exposed to the sun as well as stopping weeds from growing. … As well as blocking weeds from growing, placing the right stones on top of soil will also help water drainage.
In respect to this, do stones in soil help drainage?
Digging in a 5cm layer of grit, gravel or crushed stone helps open up a clay soil. Don’t just fill the planting hole: this creates a sump that will fill with water in wet winters. … A If the topsoil is puddled, water drains slowly and plants suffer, you must sort out the soil’s structure.
