Restoration Seeds Spinach Variety Trial: 130 days from sowing, unheated greenhouse, zone 7b. Varieties Top Row: Winter Giant, Renegade F1, America, Viroflay, First Harvest. Second Row: Medania, Mix, Gamma, Space F1, Bloomsdale, Tyee F1, Nobel Giant, Verdil. Most bolt-resistant varieties after 6 months of trial: Gamma, Medania, Noble Giant, Space F1, Tyee F1. See individual variety to learn more.
