Seasonal calendar · Berberis thunbergii
Japanese Barberry
The year for this species, phase by phase — what to watch and what to do as the season turns.
Filter by concern
Watering
Regular watering; avoid waterlogging.
Fertilization
Fertilize biweekly with balanced formula.
Pruning
Trim excessive new growth lightly.
Wiring
Check wires; adjust to avoid biting in.
Bud Shoot Management
Continue pinching to maintain shape.
Pests Disease
Monitor for mildew; ensure good airflow.
Development
Develop dense branching through controlled pruning.