Fertilising a Prunus serrulata 'Kanzan'
Fertilizing this particular shrub is essential for promoting its vibrant pink blooms and robust health. To support its flowering season, apply a balanced, slow-release fertilizer once in the early spring, just as the ground thaws. This timing ensures the nutrients are available as the growth cycle begins. Choose a fertilizer with an equal blend of nitrogen, phosphorus, and potassium, which will cater to the overall needs of the plant, encouraging a strong root system and abundant blossoms.
Avoid over-fertilizing, as this can lead to excessive foliage at the expense of flowers. Additionally, ensure that the fertilizer is spread evenly around the base of the plant, integrating it gently into the soil without disturbing the roots. Regular feeding during this period supports the upright to bushy growth habit and prepares the plant for its stunning spring display.