Macadamia farming guide — Kenya

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

Interested in starting or scaling macadamia farming in Kenya? This comprehensive guide maps out the optimal soil requirements (such as target pH ranges), the most suitable counties for growing macadamia, 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
4.5–6.5
Nitrogen
medium
Phosphorus
medium
Potassium
medium
Preferred texture: Loam

Optimizing soil and fertilizers for Macadamia in Kenya

To achieve maximum yields when farming macadamia in Kenya, managing soil suitability is crucial. This crop performs best within a soil pH range of 4.5 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. Macadamia has a medium 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 Start of rains (biannual)), ensures high crop quality and protects your overall farm investment.

Best counties for Macadamia

Challenging counties for Macadamia

These counties may need soil amendments for Macadamia

Certified seed varieties

KRG 15Medium/Highland
KALRO · 1000-1500 days · 2.7–4.5 tons/acre
High nut recovery; suited to central highlands.
Embu 1Medium/Highland
KALRO · 1000-1500 days · 2.3–4.0 tons/acre
Good kernel quality; moderate yield.
EMB-3Medium/Highland
KALRO-Thika · 1400-1550 days · 3.1–5.0 tons/acre
High first-grade nut ratio; good kernel recovery; KEPHIS certified; suited to Central Kenya highlands.

Economics

Market priceKES 110/kg
Expected yield1,500 kg/acre

Est. revenueKES 165,000/acre

Top dressing

Product: CAN
Timing: Start of rains (biannual)
Bags/acre: 0.5

Apply in ring around drip line. Young trees need less.

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 Macadamia