How to Propagate iris 'Berkeley Gold'?
Lift rhizomes, separate healthy sections and replant in summer or autumn after flowering has finished, see dividing irises

iris 'Berkeley Gold' · Iris 'Berkeley Gold'
Grow in well-drained, fertile, neutral to slightly acid soil in full sun. Plant rhizomes just above soil level. See bearded iris cultivation
Lift rhizomes, separate healthy sections and replant in summer or autumn after flowering has finished, see dividing irises