Growing Grapes in Kakamega
Soil suitability analysis based on Kakamega's nutrient profile
Generally not ideal — Kakamega is poorly suited to Grapes. Kakamega's soil (pH 5.63, slightly acidic) gives Grapes a suitability score of 38/100. Match fertilizer to Kakamega's nitrogen and phosphorus levels for the best result.
Kakamega County is a challenging environment for Grapes (soil-match score 38/100) and will need significant amendment before planting. At an average pH of 5.63 the soil is slightly acidic to near-neutral, below Grapes's preferred 6–7.5 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. The main gap is phosphorus and potassium — measured at N 1.01 g/kg, P 14 mg/kg, K 147 mg/kg against this crop's medium/high/high demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly clay loam soils suit Grapes, which favours loam. On ShambaIQ's soil-match model, Grapes is the #88 soil match of the 106 crops we assess for Kakamega County. Grapes's full potential is about 8,000 kg/acre (~KES 1,200,000/acre at KES 150/kg), but at Kakamega's 38/100 suitability a realistic target here is closer to 3,800 kg/acre (~KES 570,000/acre) unless the constraints above are addressed.
Better matched to Kakamega's soil: Soybeans, Rice (Lowland/Paddy), and Sweet Potato — each scores higher on the same soil.
Soil & climate match
| Factor | Kakamega soil | Grapes needs | Status |
|---|---|---|---|
| pH | 5.63 | 6–7.5 | Adjust |
| Nitrogen | 1.01 g/kg | min 0.8 g/kg | OK |
| Phosphorus | 14 mg/kg | min 20 mg/kg | Low |
| Potassium | 147 mg/kg | min 200 mg/kg | Low |
| Rainfall | 1,900 mm | 500–1,000 mm | High |
| Altitude | 1,500 m | 0–1,800 m | OK |
Planting calendar for Kakamega
Long Rains· March–MayMain season here
Short Rains· August–October
Top dressing guide
Kakamega's nitrogen (1.01 g/kg) already meets Grapes's 0.8 g/kg requirement, so this is a maintenance rate.
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag