How to Fertilize New Zealand Christmas tree?
Balanced perennial feed every four weeks spring through summer growth

New Zealand Christmas tree · Metrosideros excelsa
Also known as: New Zealand fire tree; pohutukawa
Under glass, grow in loam-based potting compost in full light, with shade from hot sun. In growth, water freely and apply a balanced liquid fertiliser monthly, water sparingly at other times. Plants become borderline hardy once the stems become woody at around 5 years
Balanced perennial feed every four weeks spring through summer growth