How to Fertilize Chilean blue crocus?
Balanced perennial feed every four weeks from spring through summer

Chilean blue crocus · Tecophilaea cyanocrocus
Also known as: Chilean crocus
Grow in well-drained, sandy soil in full sun; protect from frost. Or grow in a pot in an alpine house: plant 5cm deep in a mix of equal parts loam-based potting compost and sharp sand; water in growing season but reduce watering as the leaves die down in summer
Balanced perennial feed every four weeks from spring through summer