Which county is best for Rosemary farming in Kenya?

Based on soil and climate suitability analysis, the top counties for Rosemary are Nairobi, Machakos, Kajiado. Scores combine soil pH, nitrogen, phosphorus, and potassium against Rosemary's nutrient requirements, plus a rainfall and altitude multiplier that penalises counties outside the crop's climate range.

What soil pH does Rosemary need?

Rosemary grows best between pH 6 and 8. Counties whose soils fall outside this range will need lime (if acidic) or sulphur (if alkaline) before planting.

What is the expected yield per acre for Rosemary in Kenya?

A well-managed Rosemary crop yields about 2,500 kg/acre. At a market price of approximately KES 150/kg, gross revenue per acre is around KES 375,000.

Best counties to grow Rosemary in Kenya

All 47 counties ranked by soil and climate suitability for Rosemary — scored against pH 6–8 target, medium nitrogen, medium phosphorus, medium potassium, plus rainfall (400–900 mm) and altitude (800–2400 m) requirements.

Click any county to see the full fertilizer plan, planting calendar, and seed varieties.

Quick answer

The best counties for Rosemary in Kenya are Nairobi, Machakos, Kajiado, based on soil and climate suitability. Rosemary grows best at pH 6–8; these rank highest across all 47 counties on ShambaIQ's soil scoring.