Details of upcoming lectures are available on the News page

2015
Art of the Garden, Hauser & Wirth, Somerset, UK
Gardens Illustrated Festival, Malmesbury, Wiltshire, UK - 17 April
The Garden Museum, London, UK - 21 May
The Christopher Lloyd Lecture, Great Dixter, Sussex, UK - 13 June
The Garden Museum Literary Festival, UK - 3 & 4 October
Landscape Institute London Branch, London, UK - 4 November



2014
Gravetye Manor, Sussex, UK
Gardens Illustrated Lecture, London, UK
Green Cities, London, UK
Human Nature Season at Siobhan Davis Studio, London,  UK
Society of Garden Designers Autumn Conference, London, UK



2013
5 x 15, London, UK
The Garden Museum Literary Festival, UK
Arup Penguin Pool Talks, London, UK
Batheaston Garden Group, Bath, UK
Green Fuse Series at The Garden Museum, London, UK
The Art of Gardens, Megaron, Athens, Greece
Salisbury Festival, Wiltshire, UK
Soapbox at the Royal Academy, London, UK
University of British Columbia, Vancouver, Canada 



2012
Design Indaba, Cape Town, South Africa
Cheltenham Design Festival, Gloucestershire, UK
The Big Green Week, Bristol, UK
Hokkaido Garden Show, Japan
Oxford Botanic Garden, Oxford, UK
RHS Growing for Success, Kew Gardens, UK

2011
Society of Garden Designers Autumn Conference, London, UK
Armscote Manor Lecture Series, Warwickshire, UK
Port Eliot Festival, Cornwall, UK
Society of Garden Designers 30th Anniversary,  London, UK
Gardens Illustrated Lecture, London, UK
The Landscape Show, London, UK
Charleston Gardening Festival, Sussex, UK
Northwest Flower & Garden Show, Seattle, USA
The Garden Conservancy, San Francisco, USA
Kew Mutual Improvement Society, London, UK

2010
The Garden Conservancy, Los Angeles, USA
Chicago Botanic Garden, USA
Grolier Club, New York, USA
New York Botanic Garden, USA
Arnold Arboretum of Harvard University, Boston, USA
Cheltenham Literary Festival, UK
Cottesbrooke Plant Finders Fair, UK
Bath University Gardening Society, UK
Fagus Gardening Club, Bristol, UK
Association Giardineria, Rome, Italy

2009
The Garden Museum, London, UK
Grey to Green for CABE, London, UK
Hay Festival, UK
Northwest Horticultural Society, Seattle, USA
Parrish Art Museum, Southampton, USA
Wind from the East Symposium, London, UK
The World Architecture Festival, Barcelona, Spain

2008
Capel Manor, London, UK
Hollister House Garden, Washington, USA
Vista at The Garden Museum, London, UK

2007
Society of Garden Designers Conference, London, UK

2006
Chicago Botanic Garden, Chicago, USA<
Perennial Plant Conference, Philadelphia, USA<
Gardens Illustrated Summer Lecture with Beth Chatto, London, UK
Horticultural Lecture of the Year, Northern Ireland
Sarah Raven’s Garden School, Sussex, UK
Cornwall Horticultural Society, UK

2005
The Royal Oak, New York, Chicago & Los Angeles, USA
Sarah Raven’s Garden School, Sussex, UK
Urban Gardens Show, London, UK
The British Library, London, UK

2004
Garden Marlborough, New Zealand
Design Indaba 2004, Cape Town, South Africa
Contemporary Landscape Symposium, Chile
Sarah Raven’s Garden School, Sussex, UK

2003
American Hardy Plants Society, Philadelphia, USA
El Jardin Landscape Conference, Chile & Argentina
Cotswold Wildlife Park, UK
Malvern Show, UK

2002
Melbourne Landscape Symposium, Australia
Edinburgh Botanical Gardens, Scotland
Seattle Horticultural Society, USA
San Francisco Flower Show, USA
The Royal College of Art, London, UK

2001
The Royal College of Art, London, UK
Seattle Horticultural Society, USA
El Jardin Landscape Conference, Argentina
Museum of Garden History, London UK
Oxford Botanical Gardens, UK

2000
Southampton Arts Museum, USA

1999
Melbourne Landscape Symposium, Australia