Unable to grow lawn

Sue Cullen asked 6 years ago

We have only shale and builders’ rubble in our back garden but want to lay lawn. Would we need topsoil/clay if we want turf/sod which already has about 1″ soil backing to take?

1 Answers

Gerry Daly Staff answered 4 years ago
Grass lawn needs at least 15cm, ideally 30cmm of good topsoil.

More at:  https://gardenie.wpengine.com/gerrycategory/soil-lawns/?id=5592

If you cannot get that without raising the lawn level too much, you will have to take out rubble and then lay top-soil. Although this is onerous, it will give the best result in the end.