Broccoli farming guide — Kenya

Soil requirements, top counties, seed varieties, fertilizer plan & economics

Quick answer

To grow broccoli in Kenya, aim for soil pH 67.5 (loam soils); the best-suited counties are Uasin Gishu, Elgeyo Marakwet, Nandi, Nakuru, Bomet. Apply DAP or NPK at planting and top-dress with CAN at Week 3 then head initiation (week 6). A well-managed crop yields about 6,000 kg/acre (~KES 540,000 gross per acre).

Interested in starting or scaling broccoli farming in Kenya? This comprehensive guide maps out the optimal soil requirements (such as target pH ranges), the most suitable counties for growing broccoli, certified seed varieties, seasonal fertilizer guidelines, and a detailed per-acre production budget to set you up for a successful harvest.

Soil requirements

pH range
6–7.5
Nitrogen
high
Phosphorus
high
Potassium
high
Preferred texture: Loam

Growing conditions for Broccoli

Annual rainfall
8001,500 mm
Altitude
1,8002,800 m

Broccoli does best with 8001,500 mm of rainfall a year at 1,8002,800 m above sea level. In drier areas, irrigation or water harvesting closes the gap; outside the altitude band, growth and yields drop.

Optimizing soil and fertilizers for Broccoli in Kenya

To achieve maximum yields when farming broccoli in Kenya, managing soil suitability is crucial. This crop performs best within a soil pH range of 6 to 7.5. Soils that fall outside this range can lock out essential macro and micro-nutrients, leading to stunted growth or crop failure. For acidic soils, applying dolomitic or calcitic agricultural lime is recommended at least 30 days before planting to normalize acidity.

Fertilizer application should be calibrated based on the crop’s nutrient demands. Broccoli has a high nitrogen requirement, high phosphorus requirement, and high potassium demand. Using certified seed varieties suited for your specific altitude and rainfall pattern, combined with a precise basal and top-dressing program (such as applying CAN at Week 3 then head initiation (week 6)), ensures high crop quality and protects your overall farm investment.

How to grow broccoli in Kenya

  1. 1
    Prepare the soil
    Ensure soil pH is between 6 and 7.5. Preferred texture: Loam. Apply agricultural lime if your pH is below 6, ideally 30 days before planting.
  2. 2
    Plant at the right time
    Plant broccoli during Long Rains (Nursery Preparation & Transplanting & DAP Basal–Head Initiation Top Dress & Harvesting) or Short Rains (Nursery & Transplanting–Harvesting) or Dry Season (Irrigation-based Transplanting–Harvesting & Land Preparation), timed to the start of the rains.
  3. 3
    Apply basal fertilizer
    Broccoli needs high nitrogen, high phosphorus, and high potassium. Apply a balanced basal fertilizer such as DAP or NPK at planting.
  4. 4
    Top-dress
    At Week 3 then head initiation (week 6), apply 1.5 bag(s) per acre of CAN. Apply 3 weeks after transplanting and again at head initiation (~week 6); broccoli needs steady N for tight heads
  5. 5
    Monitor and harvest
    Scout regularly for pests and disease. Expected yield is about 6,000 kg/acre at roughly KES 90/kg.

Best counties for Broccoli

Compare Broccoli suitability across all 47 counties

Challenging counties for Broccoli

These counties may need soil amendments for Broccoli

Certified seed varieties

CalabreseHighland
Simlaw Seeds · 70-90 days · 2–3.5 tons/acre
Open-pollinated broccoli; central head plus side shoots; suited to cool highlands.
Green Magic F1Highland
East Africa Seeds · 60-75 days · 3–4.5 tons/acre
Hybrid; uniform dome heads; heat tolerant; export and supermarket quality.
Marathon F1Highland
Royal Seeds · 75-95 days · 2.8–4.3 tons/acre
Large dense heads; downy mildew tolerant; excellent for high-altitude production.

Planting calendar

Long Rains

Month 1
Nursery Preparation & Transplanting & DAP Basal
Month 2
CAN Top Dressing (week 3) & Caterpillar Control
Month 3
Head Initiation Top Dress & Harvesting

Short Rains

Month 1
Nursery & Transplanting
Month 2
Top Dressing & DBM Scouting
Month 3
Harvesting

Dry Season

Month 1
Irrigation-based Transplanting
Month 2
CAN Top Dressing & Pest Management
Month 3
Harvesting & Land Preparation

Economics

Market priceKES 90/kg
Expected yield6,000 kg/acre
Time to maturity~3 months

Est. revenueKES 540,000/acre

Top dressing

Product: CAN
Timing: Week 3 then head initiation (week 6)
Bags/acre: 1.5

Apply 3 weeks after transplanting and again at head initiation (~week 6); broccoli needs steady N for tight heads

Fertilizer prices

DAPKES 3,500
CANKES 2,875
NPK 17:17:17KES 3,275
UreaKES 3,500
LimeKES 1,500

Subsidized price / 50kg bag

Check your county for Broccoli

Frequently asked questions about broccoli farming in Kenya

What soil pH is best for growing broccoli in Kenya?

Broccoli grows best in soil with a pH of 6 to 7.5. If your soil is more acidic than pH 6, apply agricultural lime about 30 days before planting to raise the pH and free up nutrients. The preferred soil texture is loam.

Which counties are best for broccoli farming in Kenya?

By soil suitability, the top counties for broccoli are Uasin Gishu, Elgeyo Marakwet, Nandi, Nakuru, Bomet. A full ranking of all 47 counties, each with a suitability score, is shown above.

What fertilizer does broccoli need?

Broccoli has high nitrogen, high phosphorus, and high potassium requirements. Apply a balanced basal fertilizer such as DAP or NPK at planting, then top-dress with 1.5 bag(s) per acre of CAN at Week 3 then head initiation (week 6).

When should I plant broccoli in Kenya?

Plant broccoli during Long Rains (Nursery Preparation & Transplanting & DAP Basal to Head Initiation Top Dress & Harvesting) or Short Rains (Nursery & Transplanting to Harvesting) or Dry Season (Irrigation-based Transplanting to Harvesting & Land Preparation), timed to the start of the rains in your area.

How much can I earn from broccoli per acre in Kenya?

Broccoli yields about 6,000 kg per acre. At a market price of roughly KES 90/kg, that is around KES 540,000 per acre in gross revenue, before input and labour costs.

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