How to Fertilize common polypody?
Very dilute fern feed monthly during warm active frond growth

common polypody · Polypodium vulgare
Also known as: adder's fern; brake root; eastern polypody; ever fern; golden locks; golden maidenhair; lady's milk; polypody; wall fern; word fern
Easy to grow in moderately fertile, moist but well-drained or drier soils in sunny or lightly-shaded sites. Tolerant of dry shade but water regularly in their first season and mulch well
Very dilute fern feed monthly during warm active frond growth