Structured box balls and fresh greens with wafting grasses and white Agapanthus to lift it. Clean and attractive. Both box and agapanthus are toxic to rabbits so grow in tall pots if used out of Paddys reach
grout terrace joints with epoxy. This is similar to the joints of cement. However, these joints are waterproof, in contrast to addition of cement which can always suck up water (and may burst in winter).