Epimedium koreanum  ‘Harold Epstein’  (Cc. 930004) A very cold hardy clone with huge flowers for an Epimedium— gor­geous and butter yellow. Named in honor of Harold Epstein by plantsman Jerry Flintoff, its enormous leaflets can reach over 6” long and 4-1/2″ wide. Spreads 6-12″ a year. It usually takes 2-3 years to establish itself and … Continue reading Epimedium koreanum ‘Harold Epstein’