How to Fertilize crocus 'Ard Schenk'?
Light bulb fertilizer once at emergence and again after flowering

crocus 'Ard Schenk' · Crocus 'Ard Schenk'
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
Light bulb fertilizer once at emergence and again after flowering