Herbaceous Perennials (Hillier Gardener's Guide)
Plant Propagation (RHS Royal Horticultural Society's Encyclopaedia of Practical Gardening S)
Garden Planning (Royal Horticultural Society's Encyclopaedia of Practical Gardening S.)
Taylor's Guide to Perennials (Taylor's guides to gardening)
Gardening with Perennials: Lessons from Chicago's Lurie Garden
Hedgerow & Verges Mixture Wildflower Seeds – Colourful Blooms – RHS Plants for Pollinators – Hardy Annuals & Perennials – for Your Beautiful Garden
