How to Propagate Iris 'Sable Night'?
Propagate by division, see dividing irises

Iris 'Sable Night' · Iris 'Sable Night'
Thrives in a sunny position, in neutral to slightly acid soil with good drainage. Plant rhizomes just above soil level, as sun on the rhizomes encourages flowering. See bearded iris cultivation
Propagate by division, see dividing irises