How to Propagate snow-white crocus?
Propagate by seed sown in containers in a cold frame when ripe or remove cormlets when dormant

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
Propagate by seed sown in containers in a cold frame when ripe or remove cormlets when dormant