Vegetables GardeningGrow Amaranth Kiwicha (Amaranthus caudatus): Grow and harvest it By Sumit - November 20, 2012 0 10846 Share on Facebook Tweet on Twitter Just a quick clip on Kiwicha (Amaranthus caudatus) showing how it grows, and then how to harvest the seed at the end of the summer. For more info, read the article or listen to the podcast at: . Leave comments and questions below! Twitter: FB: 2.00 avg. rating (47% score) - 1 vote