- You will get 600+ Seeds of Purple Broccoli Early Purple Sprouting NON-GMO Heirloom Vegetable Seeds. - Marvel Of Four Seasons Lettuce Vegetable Seeds. - 600+ Seeds. - Maturity: 60 Days. - Planting Depth: 1/8". - Row Spacing: 12-18". - Plant Spacing: 8-10". - Plant In Full Sun After Chance Of Final Frost. - Sunlight: Partial Shade, Full Sun, Medium Sun. - Cultivating Difficulty: Moderate. - Watering: Medium.