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

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