The rhizome bunches are carefully dug out manually with a spade, or the soil is first loosen with a small digger, and clumps manually lifted. It is better to cut the leaves before lifting the rhizomes.
Zao hili hustawi maeneo mengi Nchini Tanzania. Viazi hustawi vizuri katika maeneo ya tambarare yenye udongo tifutifu, unaoruhusu maji kupenya kwa urahisi.