Aulden Farm:  www.auldenfarm.co.uk

British Iris Society: www.britishirissociety.org.uk

West and Midlands Iris Group: www.westandmidlandsirisgroup.org.uk

Plant Heritage:  www.nccpg.com

Historic Iris Preservation Society. www.historiciris.org

Heritage Irises, New Zealand: www.historiciris.blogspot.co.uk

Iris Paradise, Germany:   www.irisparadise.com

Seagate irises:  www.irises.co.uk 

Woottens of Wenhaston: www.woottensplants.com

Rare Plant Fair:  www.rareplantfair.co.uk