How to Fertilize Primula sieboldii 'Frilly Blue'?
Balanced perennial feed every four weeks from spring through summer

Primula sieboldii 'Frilly Blue' · Primula sieboldii 'Frilly Blue'
Grow in partial shade, in deep humus-rich, moist, neutral to acid loam soil; tolerates full sun if the soil remains moist at all times
Balanced perennial feed every four weeks from spring through summer