How to Fertilize woolly lip fern?
Minimal diluted fern fertilizer only in warm summer growth window
woolly lip fern · Cheilanthes tomentosa
Will not tolerate winter wet. Grow in sharply-drained, gritty, humus-rich soil in full sun, with protection from winter rain. Otherwise grow under glass in full light, with low humidity and good ventilation, in a mix of equal parts loam-based potting compost and coarse grit plus 10 percent added charcoal, and water sparingly
Minimal diluted fern fertilizer only in warm summer growth window