VEGETABLES / SWEET-POTATO 120 days, dark-red foliage & skin, orange flesh, long chunky roots produced at plant's center $5 Add To Basket Listed In: 1988, 1989, 1990, 1991, 1992, 1995, 1996, 1998, 1999, 2001, 2007, 2008, 2009, 2010, 2011, 2020, 2025 Iowa USDA Hardiness: 4b View Profile & Listings