How to prune agapanthus 'midnight blue'

Late summer for deadheading; late autumn for foliage cutback. Cut spent flower stems to the base after flowering. In late autumn, once foliage has yellowed and died back naturally, cut it to about 5 cm above the crown. Mulch the crown in cold climates for frost protection.

Annually. Agapanthus 'Midnight Blue' needs only basic tidying. Deadhead flower stems at the base as blooms finish to keep the plant neat and redirect energy. Remove dead or yellowed foliage when it appears. This cultivar is generally deciduous, so cutting old foliage to near ground level in late autumn is appropriate and standard.

Cut spent flower stems to the base after flowering. In late autumn, once foliage has yellowed and died back naturally, cut it to about 5 cm above the crown. Mulch the crown in cold climates for frost protection.