We talk to two garden owners: Robyn Kilty and Jo Wakelin about the very different gardens they have made, in very different situations, but both immensely inventive, creative in their use of materials and with their own philosophies about using native plants.We talk to two garden owners: Robyn Kilty and Jo Wakelin about the very different gardens they have made, in very different situations, but both immensely inventive, creative in their use of materials and with their own philosophies about using native plants.