How to Prune alum root 'Coco'?
Remove faded flower spikes

alum root 'Coco' · Heuchera 'Coco'
Grow in a fertile, neutral or slightly acid soil in light or partial shade, and ensure good drainage, especially in heavy soils. The woody rootstock tends to lift out of the ground over time, so mulch annually to retain moisture. Divide and replant every 3-4 years to maintain vigour
Remove faded flower spikes