How to Prune alum root 'Glitter'?
No pruning required. Remove dead leaves

alum root 'Glitter' · Heuchera 'Glitter'
Grow in fertile, moist, but well-drained soil in sun or partial shade. If the soil is moist, a shadier position may be tolerated. To prevent the rhizomes rising to the surface, mulch annually and divide every few years
No pruning required. Remove dead leaves