How to Prune crocus 'Pickwick'?
No pruning required

crocus 'Pickwick' · Crocus 'Pickwick'
A cormous plant that requires a well-drained and sunny situation. Plant 5-6cm deep in late summer or early autumn. You may feed after flowering when leaves are still in active growth. If naturalised in grass, delay mowing until leaves die back
No pruning required