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

Adriatic crocus · Crocus hadriaticus
Grow in a bulb frame or alpine house in a mix of equal parts loam, leaf mould and sharp sand or grit. Water freely in the growing season and apply a low-nitrogen fertiliser monthly. Keep completely dry in summer dormancy. Can be grown outdoors in a gritty, poor to moderately fertile soil
Balanced perennial feed every four weeks from spring through summer