Coffee (Robusta) farming guide — Kenya

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

Interested in starting or scaling coffee (robusta) farming in Kenya? This comprehensive guide maps out the optimal soil requirements (such as target pH ranges), the most suitable counties for growing coffee (robusta), 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
5–6.5
Nitrogen
high
Phosphorus
medium
Potassium
high
Preferred texture: Loam

Optimizing soil and fertilizers for Coffee (Robusta) in Kenya

To achieve maximum yields when farming coffee (robusta) in Kenya, managing soil suitability is crucial. This crop performs best within a soil pH range of 5 to 6.5. 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. Coffee (Robusta) has a high nitrogen requirement, medium 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 a balanced NPK compound), ensures high crop quality and protects your overall farm investment.

Best counties for Coffee (Robusta)

Challenging counties for Coffee (Robusta)

These counties may need soil amendments for Coffee (Robusta)

Certified seed varieties

R7Medium/Highland
Coffee Research Institute/KALRO · 730-1000 days · 12-18 kg/acre
High yielding; suited to western Kenya conditions; disease tolerant.
R2Medium
Coffee Research Institute/KALRO · 730-1000 days · 10-15 kg/acre
Early bearing; good cup quality for local and export markets.

Planting calendar

Long Rains

Month 1
Fertilizer Application & Weed Control
Month 2
Fruit Development Monitoring
Month 3
Light Pruning & Pest Management

Short Rains

Month 1
Cherry Ripening & Selective Harvesting
Month 2
Post-Harvest Fertilizer Application
Month 3
Pruning & Stumping if needed

Dry Season

Month 1
Main Pruning & Soil Conservation
Month 2
Rest & Recovery
Month 3
Pre-Season Fertilizer & Soil pH Check

Economics

Market priceKES 80/kg
Expected yield950 kg/acre

Est. revenueKES 76,000/acre

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 Coffee (Robusta)