Soooooo..... Done. 8 rhizomes in. At least for the time being. Rented a rototiller from Lowe's to bust up the soil around my patio, I got 2 40 lb bags of manure, 6 topsoil, 2 sand, 2 potting soil, and 4 mulch. I tilled, dropped in all but the mulch, tilled again, shaped a hill-down gradient from...