Due to its high bolt resistance and resistance to nine different strains of Downy Mildew, Olympia is a good choice for the South, where humidity often makes Downy Mildew a serious problem. Its semi-upright habit makes it ideal as either a baby leaf (cut just 3 weeks from sowing seed), or as mature spinach at 45-50 days from seed to harvest. 45-50 DAYS. Seed Counts: 1,200 seeds sows a 100-ft. row.