Its leaves are rich in protein and can be used as food for livestock. The harvest time is between February and April, when the mushroom and asparagus canning is completed.
對工廠言，二至四月黑皮波羅門蔘的收穫期，適值洋菇、蘆筍製罐結束，此時它加入生產行列，可使工廠繼續開工，工廠設備與工人也可充分使用。