How to Fertilize yellowish barrenwort?
Weak shade woodland feed monthly spring leaf expansion period

yellowish barrenwort · Epimedium flavum
Grow in fertile, humus-rich, moist but well-drained soil in partial shade, with shelter from cold, drying winds; where frosts are prolonged or severe, spread an organic mulch such as leaf mould or composted bark to protect plants over winter
Weak shade woodland feed monthly spring leaf expansion period