Growing Garlic in Mombasa

Soil suitability analysis based on Mombasa's nutrient profile

Quick answer

Yes, with the right inputs — Mombasa is moderately suited to Garlic. Mombasa's soil (pH 6.24, slightly acidic) gives Garlic a suitability score of 73/100. Match fertilizer to Mombasa's nitrogen and phosphorus levels for the best result.

Mombasa County is a solid choice for Garlic, with a soil-match score of 73/100. Local soils average pH 6.24 — slightly acidic to near-neutral and inside the 6–7.5 band Garlic prefers, so no lime is usually required. The main gap is nitrogen, phosphorus, and potassium — measured at N 0.95 g/kg, P 8.4 mg/kg, K 136 mg/kg against this crop's high/medium/high demand — so the fertilizer plan below prioritises closing those deficits. The county's predominantly sandy soils suit Garlic, which favours sandy loam. At current prices (about KES 275/kg) and a typical 3,000 kg/acre yield, a well-managed Garlic crop here can gross roughly KES 825,000 per acre.

73Suitability score

Soil & climate match

FactorMombasa soilGarlic needsStatus
pH6.2467.5OK
Nitrogen0.95 g/kgmin 1.2 g/kgLow
Phosphorus8.4 mg/kgmin 12 mg/kgLow
Potassium136 mg/kgmin 200 mg/kgLow
Rainfall1,000 mm500–900 mmHigh
Altitude50 m0–2,500 mOK

Top dressing guide

Product
CAN
Timing
Week 3-4 after planting
Instruction
Apply when shoots are 15cm tall. Stop nitrogen applications once bulbing begins.
Bags per Acre
0.5

Recommended seed varieties

Early PinkMedium/Highland
Local/KALRO · 120-150 days · 1–1.5 tons/acre
Good bulb size; pungent flavor; stores well.
Purple StripeHighland
Local · 130-160 days · 0.9–1.3 tons/acre
High allicin content; excellent storage; suited to cold highlands.

Economics

Market priceKES 275/kg
Expected yield in Mombasa2,738 kg/acre
Estimated revenueKES 752,950/acre
Adjusted for Mombasa's 73/100 suitability. Under ideal conditions Garlic can reach 3,000 kg/acre (~KES 825,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureSandy Loam

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(4,500)
NPK 17:17:17
KES 3,275(5,600)
Urea
KES 3,500(5,500)
Lime
KES 1,500(1,800)

Green = subsidized · (Commercial) per 50kg bag