THE PLANTING DESIGN HANDBOOK Ever since its first edition, I have regarded The Planting Design Handbook as the standard work on the method and process of planting design. But it is far more than that and stands as an excellent and clear introduction to the principles of spatial design in its own right. As a long-standing text, the book stands outside of the vagaries of any prevailing fashion or trend. While holding on to its key strengths, this latest edition has been thoroughly overhauled and updated to include current ecological and environmental approaches to designing with plants that pervade the whole book, and it is illustrated throughout with classic and contemporary examples. This book is an essential requirement for practitioners and students of landscape architecture and garden design: a highly intelligent, rigorous and practical guide to the art, science and ethics of planting design. Professor Nigel Dunnett, Department of Landscape, University of Sheffield, UK It has always been difficult to find academic texts on planting which do more than explore the horticultural qualities, or just identify the aesthetic qualities of plants; this book does that, looking beyond the aesthetics of planting as a medium. The first two editions introduced the now well-established section on Design Methodology, ensuring planting design is rightly part of the wider spatial design process. With the addition of new sections on herbaceous, wildflower and naturalistic perennial planting, this third edition of Nick Robinson’s The Planting Design Handbook is now the most comprehensive and engaging volume on the use of planting as a design medium. David Booth, Faculty Head of Quality and Standards, University of Gloucestershire, UK To my parents, Arthur and Margaret Robinson The Planting Design Handbook Third Edition NICK ROBINSON Landscape architect, lecturer and plantsman Illustrations by JIA-HUA WU First published 2004 Third edition published 2016 by Routledge 2 Park Square, Milton Park, Abingdon, Oxon OX14 4RN and by Routledge 711 Third Avenue, New York, NY 10017 Routledge is an imprint of the Taylor & Francis Group, an informa business © 2016 Nick Robinson The right of Nick Robinson to be identified as author of this work has been asserted by him in accordance with sections 77 and 78 of the Copyright, Designs and Patents Act 1988. All rights reserved. No part of this book may be reprinted or reproduced or utilised in any form or by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying and recording, or in any information storage or retrieval system, without permission in writing from the publishers. Trademark notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation without intent to infringe. British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Library of Congress Cataloging-in-Publication Data A catalog record for this book has been requested ISBN: 9781472415493 (hbk) ISBN: 9781315554648 (ebk) Typeset in Palatino by Apex CoVantage, LLC Contents List of Figures xiii List of Plates xix List of Tables xxxvii Preface to the Third Edition xxxix Introduction 1 PART I PRINCIPLES 5 1 Why Design? 7 Planting Design – an Expression of Function 8 Planting Design as Intervention in Ecological Processes 10 Planting Design for Aesthetic Pleasure 14 So What is Successful Planting Design? 15 Habitat Loss and Climate Change 16 2 Plants as a Medium for Design 19 Plants as Living Materials 19 Environmental Influences 20 Cycles of Plant Growth and Development 22 Creative Management 24 The Landscape Designer’s View of Plants 26 Plants as Spatial Elements 26 Plants as Ornament 35 Plant Selection 36 Functional and Aesthetic Considerations in Design 37 Naturalness and Artificiality in Design 39 vi The Planting Design Handbook 3 Spatial Characteristics of Plants 41 Spatial Functions of Plants in the Human Landscape 41 Ground-level Planting (Carpeting Plants) 42 Shrubs and Herbaceous Plants Below Knee Height (Low Planting) 44 Knee- to Eye-level Planting (Medium-height Planting) 44 Planting Above Eye Level (Tall Shrub Planting) 46 Tree Planting 51 4 Creating Spaces with Plants 57 The Experience of Space 57 The Use of Spaces 59 The Elements of Spatial Composition 59 Enclosure 60 Degree of Enclosure 60 Permeability and Transparency of Enclosure 63 Dynamics 66 Shape 66 Vertical Proportion 70 Slope 72 Focus 73 Symmetric Focus 73 Asymmetric Focus 75 Focus on the Boundary 75 External Focus 76 5 Composite Landscape 79 Spatial Organizations 81 Linear Organizations 81 Clustered Organizations 82 Contained Organizations 87 Hierarchy of Spaces 91 Hierarchy According to Function 91 Transitions 94 Transitions Between Abutting Spaces 96 Transitions Between Interlocking Spaces 98 Transitional Spaces 98 Entrance Zones 99 Contents vii 6 Visual Properties of Plants 101 Subjective and Objective Responses to Plants 101 Visual Characteristics 103 Form 103 Form and Habit 104 Prostrate, Mat and Carpeting Forms 105 Hummock, Mounded and Dome Forms 106 Arching Form 108 Tussock, Tufted or Caespitose Form 109 Erect or Upright Form and Veil Planting 110 Palm Form 111 Succulents and Sculptural Form 112 Oval Upright Form 113 Conical, Columnar and Fastigiate Forms 114 Tabulate and Level-spreading Form 115 Open Irregular Form 116 Trained Form 116 Line and Pattern 118 Ascending Line 119 Pendulous Line 119 Horizontal Line 121 Diagonal Line 121 Quality of Line 122 Texture 123 Fine Texture 123 Coarse Texture 125 Medium Texture 126 Colour 126 Hue 127 Value 127 Saturation 128 Colour Perception 128 Colour Effects 129 Seasonal Colour 130 Visual Energy 131 Combining Plants 132 viii The Planting Design Handbook 7 Visual Composition 133 Five Principles of Visual Composition 133 Harmony and Contrast, Diversity and Unity 134 Balance 137 Emphasis and Accent 137 Sequence and Rhythm 140 Scale and Complexity 141 The Influence of Movement and Viewing Angles on Composition 144 Unity and Diversity in Planting Design 146 Ideas and Themes 146 Inspiration 156 8 Plant Assemblages 159 Plant Communities 159 Forest Structures 159 Two Principles – Ground Cover and Diversity 163 Typical Canopy Structures as Models for Design 164 Deciduous Cool Temperate Communities (North-west Europe and North America) 166 Three-layer Canopy Structures 166 Two-layer Canopy Structures 170 Single-layer Canopy Structures 172 Layers Within Layers 175 Layering of Herbaceous Plant Communities 176 Evergreen Temperate/Subtropical Communities (New Zealand) 177 Four-layer Canopy Structures 178 Three-layer Structures 178 Two-layer Structures 180 Design Interpretation of Natural Ecologies 181 Matrix Planting 185 9 Ecological and Horticultural Factors 187 Plant Materials and Design Process 187 Growth Requirements and Tolerances 190 Competition and Coexistence 191 Plant Strategies 193 Rejuvenation and Spread 195 Increase by Seed 195 Vegetative Increase 196 Contents ix Growth Habit 197 Life Cycles and Succession 198 Plant Knowledge 199 PART II PROCESS 201 10 Design Methodology 203 Inception – Establishing the Design Brief and Working Relationships 205 Initial Contact With the Client 205 Brief 205 Understanding – Gathering and Organizing Information 206 Survey 206 Assessment 210 Synthesis – Generating and Organizing Ideas 215 Planting Strategy 215 Design Concept 216 Schematic or Outline Planting Design 219 Masterplan 221 Sketch Planting Proposals 221 Detailed Planting Design 228 Habit and Life Form 228 Growing Conditions 229 Planting Functions, such as 229 Character and Aesthetic Qualities 229 Working Drawings 232 Specifications 243 Realization – Refining and Implementing the Proposals 244 Planting 244 Establishment and Editing 245 Management 245 Learning Through the Design Process 247 PART III PRACTICE 249 11 Large-scale Planting 251 Introduction 251 Large and Small-scale Planting 251 Forest and Woodland 252 Designing Forest and Woodland 255 What Functions will the Forest or Woodland Perform? 255 What Canopy Structure is Ultimately Required? 255 What are the Soil and Climatic Conditions? 255
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