Amaranth is harvested by pulling out or by clipping. Under pulling out method, grown up plants are pulled out at 30, 45 and 55 days after sowing, along with roots, washed and send to market in small bundles.
For leaf amaranth grown up seedlings are selectively pulled out at 30 days after sowing and marketed in small bundles along with roots. For seed amaranth, the crop is harvested when most of the leaves turn yellow; the glumes turn brown in color and seeds turn black.
The grain amaranth crop is harvested when most of the leaves turn yellow; the glumes turn brown in color and seeds turn black.
After, cuttings are left on the threshing floor for few days to dry. When the plants are fully dried the seeds are separated by beating them with sticks. The seeds are then cleaned by winnowing.