5
votes
2answers
695 views

How to grow Trailing Rosemary as a ground cover in very heavy clay?

I want to cover a large area that is on a steep slope with ground cover. There is absolutely no soil at all, it's all pure clay: hard rock when dry and soft when wet. I was thinking of putting a ...
8
votes
4answers
8k views

How do I improve drainage vertically through clayey soil?

I live on a hill where the soil has lots of clay. My back garden has been terraced with small (1m) retaining walls. The net result is that we have several lawns / gardens with the following ...