How to Fertilize Callistemon 'Red Clusters'?
Balanced slow-release feed applied once each early spring yearly

Callistemon 'Red Clusters' · Callistemon 'Red Clusters'
Grow in moist but well-drained, neutral to acid soil in full sun; established plants are drought resistant. In colder areas grow under glass in loam-based compost (JI No.2) in full light with good ventilation. Pot on or top dress in early spring
Balanced slow-release feed applied once each early spring yearly