Broccoli is a cool-season vegetable grown for its green flowering heads and tender stalks used in cooking, steaming, stir-fries, and salads. It is highly valued for its nutrition and association with healthy diets. In Kenya, broccoli grows well in highland and irrigated regions such as Nyandarua, Nyeri, Kiambu, Nakuru, Meru, and parts of the Rift Valley. The crop forms compact green heads made of tightly packed flower buds that are harvested before flowering opens.

Varieties
Common types include Calabrese, Marathon, and hybrid F1 varieties. Calabrese produces large central heads followed by side shoots, while Marathon offers uniform heads and reliable yields. Hybrid varieties provide faster maturity, better head quality, and improved disease tolerance. Selection depends on market preference, head size, and production goals.

Growing Conditions
Best growth occurs in cool temperatures of 15–22 °C and rainfall of 600–1,200 mm with consistent moisture. The crop performs well in fertile, well-drained loamy soils rich in organic matter with a pH of 6.0–7.0. Full sunlight supports strong head development, while high temperatures reduce quality and cause loose heads or early flowering.

Growth Cycle
Growth begins from a seed and develops into leafy plants that form a central green head. After the main head is harvested, side shoots may continue to develop for extended harvests. Timely harvesting ensures tight, firm heads before flower buds open.

Nutritional Value
Broccoli contains vitamins C and K, fibre, folate, calcium, and antioxidants. These nutrients support immunity, bone health, and digestion while contributing to overall wellness.

Uses & Market Potential
Broccoli is used in steaming, stir-fries, soups, salads, and vegetable mixes. It also supplies supermarkets and premium food markets. Rising demand for healthy and diverse vegetables creates strong opportunities for commercial production and value addition.