How to Prune plantain lily 'Blue Umbrellas'?
Remove spent foliage as required and clear up dead foliage when it dies back at the end of growing season

plantain lily 'Blue Umbrellas' · Hosta 'Blue Umbrellas'
Grow in fertile, moist but well-drained soil in part or full shade shelter from cold, dry winds. See hosta cultivation for further information
Remove spent foliage as required and clear up dead foliage when it dies back at the end of growing season