Video: How to Create Clay Crevices in a Rock Garden
This is the the movie clip that was embedded in my presentation which many you may have seen in the last year at various rock garden society meetings. It illustrates how to make a clay crevice within your garden for alpine plants - in this case I am using a split tufa rock.
For more information see here for some step by step photos of creating clay crevices in trough gardens. Have fun with it!