- You will get 300+ Seeds of Purple Sprouting Broccoli Vegetable Seeds. - Seller Notes “Brassica oleracea. Organic. U.S. Grown seed. Tested 1/23-Germination 92%. Packed 1/23.”. - Planting Time: 8 Weeks - 16 weeks. - Soil Type: Clay, Loam, Peat, Sand. - Life Cycle: Annual. - Soil pH: Neutral. - Watering: Medium. - Sunlight: Full Sun, Medium Sun. - Early Purple Sprouting Broccoli. Extremely useful and easy to grow from seed. This hardy winter vegetable produces good yields of tasty purple heads (turning green when cooked) which can be harvested during late winter and early spring, at a time when fresh vegetables from the garden are often in short supply. Purple broccoli plants are extremely cold hardy withstanding temps below 10 F. This unique attribute is critical to success in growing the plant, as Purple Sprouting broccoli grows slower and will require at least 8 to 16 weeks to mature. Unlike other broccoli plants, which produce a single large head, Purple Sprouting broccoli plants produce smaller heads with multitudes of tender side shoots. These shoots often taste especially sweet and delectable due to their exposure to cooler temperatures. 300+ seeds per order. - Brassica oleracea. - Annual. - Cool season vegetable. - Early spring / Fall. Soil temp 60F+. - SOW- 3/4 seeds per, 1/4" deep, 18" apart. Keep moist. - Germination 7 - 14 days. - Medium water. Organic fertilizer if needed. - Purple Sprouting Broccoli matures more slowly than standard broccoli. Usually 8 to 16 weeks.