How to prepare Broccoli seed for kitchen garden by Dr. Shahzad Basra

If your seeds were not hybrid then it is very easy to prepare your own seed. Just let some plants aloow to flower and mature in spring. Yellow flowers, then pods and ultimately mature seeds will develop. Remove in march and store in airtight jar for next season
Broccoli has a reputation as a superfood. It is low in calories but contains a wealth of nutrients and antioxidants that support many aspects of human health.
Reducing the risk of cancer: powerful antitumor due to Sulforaphane, indole-3-carbinol
Improving bone health
Calcium and collagen both make strong bones
vitamin C to produce collagen
vitamin K helps prevent or treat osteoporosis.
Boosting immune health
vitamin C to produce collagen which is needed for bone formation, skin repair, antioxidant,
Aiding digestion
prevent constipation and colon cancer
Reducing inflammation
Inflammation can be a sign of a passing infection, but it can also occur with chronic autoimmune conditions such as arthritis and type 1 diabetes.

Nutrient Amount in 1 cup broccoli (76g) Daily adult requirement
Energy (calories)
24.3 1,800–3,000
Carbohydrate (g) 4.78 g, including 1 g of sugar 130
Fiber (g) 1.82 25.2–33.6
Calcium (milligrams [mg]) 35 1,000–1,200
Phosphorus (mg) 50.9 700
Potassium (mg) 230 4.700
Vitamin C (mg) 40.5 75–90
Folate (micrograms [mcg]) 49.4 400
Vitamin A (mcg) 6.08 700–900
Beta-carotene (mcg) 70.7 No data
Lutein and zeaxanthin (mcg) 566 mcg No data
Vitamin E (mg) 0.11 15
Vitamin K (mcg) 77.5 90–120