Growing Mint in Laikipia

Soil suitability analysis based on Laikipia's nutrient profile

Quick answer

Possible but challenging — Laikipia is only marginally suited to Mint. Laikipia's soil (pH 4.99, strongly acidic) gives Mint a suitability score of 47/100. Apply agricultural lime before planting to unlock phosphorus and lift the score.

Mint can be grown in Laikipia County, but the soil scores 47/100 and needs targeted management to reach full potential. At an average pH of 4.99 the soil is strongly acidic, below Mint's preferred 6–7.5 range; agricultural lime will lift pH and unlock phosphorus the crop cannot otherwise access. Nitrogen (1.42 g/kg), phosphorus (16.6 mg/kg) and potassium (215 mg/kg) all meet Mint's requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy loam soils suit Mint, which favours loam. On ShambaIQ's soil-match model, Mint is the #71 soil match of the 106 crops we assess for Laikipia County. Mint's full potential is about 4,000 kg/acre (~KES 400,000/acre at KES 100/kg), but at Laikipia's 47/100 suitability a realistic target here is closer to 2,350 kg/acre (~KES 235,000/acre) unless the constraints above are addressed.

Better matched to Laikipia's soil: Sweet Potato, Finger Millet, and Groundnuts — each scores higher on the same soil.

47Suitability score

Soil & climate match

FactorLaikipia soilMint needsStatus
pH4.9967.5Adjust
Nitrogen1.42 g/kgmin 1.2 g/kgOK
Phosphorus16.6 mg/kgmin 12 mg/kgOK
Potassium215 mg/kgmin 150 mg/kgOK
Rainfall600 mm700–1,400 mmLow
Altitude1,700 m500–2,200 mOK

Planting calendar for Laikipia

Long Rains· AprilJuneMain season here

April
Runner Planting & Basal
May
Weeding & Top Dressing
June
Continuous Harvest

Short Rains· OctoberDecember

October
Runner Planting & Basal
November
Weeding & Top Dressing
December
Continuous Harvest

Top dressing guide

Product
CAN
Timing
Week 3 and after each cutting
Instruction
Top-dress after each cut for vigorous regrowth. Keep soil consistently moist.
Bags per acre in Laikipia
0.250.3

Laikipia's nitrogen (1.42 g/kg) already meets Mint's 1.2 g/kg requirement, so this is a maintenance rate.

Economics

Market priceKES 100/kg
Expected yield in Laikipia2,350 kg/acre
Estimated revenueKES 235,000/acre
Adjusted for Laikipia's 47/100 suitability. Under ideal conditions Mint can reach 4,000 kg/acre (~KES 400,000/acre) — attainable here only after the climate and soil constraints below are addressed.

Preferred textureLoam

Fertilizer prices

DAP
KES 3,500(6,500)
CAN
KES 2,875(5,700)
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