75-85 Days to maturity. Helianthus annuus ’Earthwalker’. Earthwalker Sunflower Seeds: Non-GMO, open-pollinated, ornamental, annual, drought-tolerant, heat-tolerant, multi-branching sunflower. Earthwalker sunflower seeds grow deeply colored and complement any outdoor space. These late bloomers are perfect for ushering in fall with autumnal shades that will feel right at home among mums and other fall bloomers. As branching sunflowers, each plant will burst forth with multiple blooms that are perfect for using as cut flowers to excite the eye from summer through fall. Approximately 1,100 Seeds / Ounce.