How to Fertilize Primula auricula 'Cortina'?
Weak diluted flower feed every four weeks spring to summer

Primula auricula 'Cortina' · Primula auricula 'Cortina'
Grow in full sun or partial shade in moderately fertile, moist but well-drained, humus-rich soil. See Primula for further advice
Weak diluted flower feed every four weeks spring to summer