How to Propagate iris 'Handshake'?
Propagate by dividing iris rhizomes from midsummer to early autumn, see dividing irises

iris 'Handshake' · Iris 'Handshake'
Plant rhizomes just above soil level. Thrives in a sunny position, in ideally neutral soil with good drainage. See bearded iris cultivation
Propagate by dividing iris rhizomes from midsummer to early autumn, see dividing irises