Living Yamberry Trellis

Perennial polyculture of yamberry or Chinese Yam (Dioscorea batatas or D. opposita), grown for aerial tuber production and trellised on nitrogen fixing Siberian pea shrub (Caragana arborescens). Groundcover of nitrogen fixing birdsfoot trefoil (Lotus corniculatus) with perennial alliums: ramps (Allium tricoccum), perennial kurrat leek (A ampeloprasum) and elephant garlic (A. ampeloprasum).