How to Fertilize bird's nest fern 'Crispy Wave'?
Very dilute fern feed monthly during warm active frond growth

bird's nest fern 'Crispy Wave' · Asplenium nidus 'Crispy Wave'
Prefers bright filtered light, rather than direct sunlight and sufficient warmth and moisture for moderate humidity. Grow I under glass/ frost free in moist but well drained mixture of equal parts loam, leaf-mould/peat substitute and perlite. Water moderately. Slow growing and long-lived.
Very dilute fern feed monthly during warm active frond growth