Royal Horticultural Society www.rhs.org.uk
National Trust www.nationaltrust.org.uk
Lets go Gardening www.letsgogardening.co.uk
Daisy Roots Nursery www.daisyroots.com
Little Heath Farm Nursery www.littleheathfarmnursery.co.uk
Herts Garden Centre www.thehertfordshiregardencentre.co.uk
South Harpenden Allotments www.shallotments.weebly.com
East Harpenden Allotment Club www.ehgc.org
Luton Hoo http://www.lutonhooestate.co.uk/events
Connecting Harpenden www.connectingharpenden.org.uk
