How to Fertilize Kew primrose?
Balanced perennial feed every four weeks from spring through summer

Kew primrose · Primula × kewensis
Grow in a cool or temperate greenhouse or as a houseplant. Plant in a well drained loam based compost (JI No2) with the addition of extra grit and provide bright, filtered light.
Balanced perennial feed every four weeks from spring through summer