Royal Horticultural Society
www.rhs.org.uk
Capel Manor
www.capel.ac.uk
The National Trust
www.nationaltrust.org.uk
Society of Garden Designers
www.sgd.org.uk
Community College Baltimore County
www.ccbcmd.edu
Ladew Topiary Gardens
www.ladewgardens.com
Great Dixter
www.greatdixter.co.uk
The Enduring Gardener
www.theenduringgardener.com