How to Fertilize snow-white crocus?
Balanced perennial feed every four weeks from spring through summer

snow-white crocus · Crocus niveus
Grow in a gritty, poor to moderately fertile, well-drained soil in a sunny spot, or in an alpine house in a mix of equal parts loam, leaf mould and grit. Allow to dry out completely during summer dormancy
Balanced perennial feed every four weeks from spring through summer