How to Fertilize colour-changing heath?
Light heather feed every four weeks through mild growing weather

colour-changing heath · Erica versicolor
In very mild areas, grow in moist but well-drained, acidic soil in full sun in a very sheltered position. Elsewhere grow in a frost-free greenhouse or conservatory in lime-free potting compost with extra sharp sand, making sure the compost is kept moist
Light heather feed every four weeks through mild growing weather