Growing Rosemary in Machakos
Soil suitability analysis based on Machakos's nutrient profile
Yes — Machakos is well suited to Rosemary. Machakos's soil (pH 7.03, near-neutral) gives Rosemary a suitability score of 91/100. Match fertilizer to Machakos's nitrogen and phosphorus levels for the best result.
Machakos County is well suited to Rosemary, scoring 91/100 on ShambaIQ's soil-match model. Local soils average pH 7.03 — neutral and inside the 6–8 band Rosemary prefers, so no lime is usually required. Nitrogen (0.82 g/kg), phosphorus (31.4 mg/kg) and potassium (338 mg/kg) all meet Rosemary's requirements, so a maintenance fertilizer programme is enough. The county's predominantly sandy loam soils suit Rosemary, which favours sandy loam. On ShambaIQ's soil-match model, Rosemary is the #7 soil match of the 106 crops we assess for Machakos County. At current prices (about KES 150/kg) and a typical 2,500 kg/acre yield, a well-managed Rosemary crop here can gross roughly KES 375,000 per acre.
Soil & climate match
| Factor | Machakos soil | Rosemary needs | Status |
|---|---|---|---|
| pH | 7.03 | 6–8 | OK |
| Nitrogen | 0.82 g/kg | min 0.8 g/kg | OK |
| Phosphorus | 31.4 mg/kg | min 12 mg/kg | OK |
| Potassium | 338 mg/kg | min 150 mg/kg | OK |
| Rainfall | 700 mm | 400–900 mm | OK |
| Altitude | 1,100 m | 800–2,400 m | OK |
Planting calendar for Machakos
Long Rains· March–May
Short Rains· October–DecemberMain season here
Top dressing guide
Machakos's nitrogen (0.82 g/kg) already meets Rosemary's 0.8 g/kg requirement, so this is a maintenance rate.
Economics
Fertilizer prices
Green = subsidized · (Commercial) per 50kg bag