How to Water sweet box?
Moderate watering, evergreen shrub tolerates mild seasonal dryness

sweet box · Sarcococca hookeriana var. digyna
Grow in moderately fertile, moist but well-drained humus-rich soil in shade. Full sun may be tolerated when planted in damp soil. Also tolerant of atmospheric pollution, dry shade and neglect
Moderate watering, evergreen shrub tolerates mild seasonal dryness