Hanna Packer, an experienced creator of gardens in her own right, is one of those trusted by Piet Oudolf to help in the implementation of his plans in New York and the US North East. Here she describes what was involved in a number of high-end garden projects: getting soils right, selecting trees and shrubs from the nurseries, sourcing perennials, liaising with clients, and the crucial issue of how you organise the correct layout and planting of thousands of perennials. Included is a fascinating and detailed description of how you lay out complex plantings.