African Nightshade farming guide — Kenya

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

Interested in starting or scaling african nightshade farming in Kenya? This comprehensive guide maps out the optimal soil requirements (such as target pH ranges), the most suitable counties for growing african nightshade, 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
5.5–7.5
Nitrogen
high
Phosphorus
medium
Potassium
medium
Preferred texture: Loam

Optimizing soil and fertilizers for African Nightshade in Kenya

To achieve maximum yields when farming african nightshade in Kenya, managing soil suitability is crucial. This crop performs best within a soil pH range of 5.5 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. African Nightshade has a high nitrogen requirement, medium phosphorus requirement, and medium 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 2-3 after transplanting), ensures high crop quality and protects your overall farm investment.

Best counties for African Nightshade

Challenging counties for African Nightshade

These counties may need soil amendments for African Nightshade

Certified seed varieties

Managu KALROMedium/Highland
KALRO · 30-45 days · 2.5–4 tons/acre
Indigenous leafy vegetable; high iron and vitamin A; multiple harvests; very popular in Western Kenya.
Giant NightshadeMedium/Highland
Simlaw Seeds · 35-50 days · 2.8–4.3 tons/acre
Large-leaved selection; soft palatable leaves; high market demand.
OlevolosiMedium
KALRO · 30-45 days · 2.3–3.8 tons/acre
Broad-leaf type; slow bolting; continuous picking; drought tolerant.

Planting calendar

Long Rains

Month 1
Transplanting & Basal Fertilizer (DAP)
Month 2
First Harvest (leaf picking) & Top Dressing
Month 3
Continuous Leaf Harvest

Short Rains

Month 1
Transplanting & Basal Fertilizer
Month 2
Weeding & Pest Control
Month 3
Harvesting & Market

Dry Season

Month 1
Irrigation & Continuous Harvesting
Month 2
Top Dressing (CAN) every 2 weeks
Month 3
Replanting if stand is old

Economics

Market priceKES 50/kg
Expected yield3,500 kg/acre

Est. revenueKES 175,000/acre

Top dressing

Product: CAN
Timing: Week 2-3 after transplanting
Bags/acre: 1

Top dress with CAN 2-3 weeks after transplanting and after each picking to push tender leaf regrowth

Fertilizer prices

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

Subsidized price / 50kg bag

Check your county for African Nightshade