Water:
Japanese camellia 'Leonard Messel' requires consistently moist soil, with high water demands during spring and summer (every 1-2 days). In autumn and winter, water biweekly. Optimal watering times are morning and evening, avoiding noon. Use rainwater or distilled water, and mulch with 7.5 cm (3 in) of bark to maintain humidity.
Fertilize:
Japanese camellia 'Leonard Messel' requires careful fertilization: no immediate fertilization after repotting in spring, with slow-release nitrogenous and phosphate-potassium fertilizers recommended during growth and blooming. Over-fertilization causes yellow leaves and growth issues, while under-fertilization leads to slow growth and small leaves. Adjust fertilization frequency accordingly.
Pruning:
Japanese camellia 'Leonard Messel' features vibrant blooms and glossy evergreen leaves. Effective pruning involves removing dead branches and thinning for improved airflow, best performed in early to late winter during dormancy. This practice supports healthy growth and enhances the plant's overall appearance.
Propagation:
Propagation methods for japanese camellia 'Leonard Messel' include cutting, grafting, layering, sowing, and tissue culture, with cutting being the primary method. Optimal rooting occurs in warm, moist conditions, particularly during summer and winter, enhancing branch survival rates.