 The estate employed carpenters and a full-time stonemason who designed and built whole buildings as well as overseeing the construction of walls, drying platforms and other farm requisites.Llanerchaeron's walled gardens are home to dozens of veteran fruit trees, some 200 years old, which are part of the working farm's ongoing organic production.These trees are also important hosts for all kinds of insects, mosses and lichens and, coupled with the traditional vegetable and herbaceous flower beds, they are a significant wildlife habitat.