How to Fertilize Dryopteris × complexa?
Very dilute fern feed monthly during warm active frond growth

Dryopteris × complexa · Dryopteris × complexa
Thrives in most cool, moist soils in light or dappled shade, but will tolerate full shade and also full sun if given plenty of moisture. In dry shade sites, water regularly in the first season and mulch well. See how to grow ferns
Very dilute fern feed monthly during warm active frond growth