Growing Spider Plant (Saga) in Marsabit

Soil suitability analysis based on Marsabit's nutrient profile

Marsabit County is a challenging environment for Spider Plant (Saga) (soil-match score 12/100) and will need significant amendment before planting. At an average pH of 8.22 the soil sits above Spider Plant (Saga)'s preferred 5.8–7 range, which can limit uptake of phosphorus and micronutrients. The main gap is nitrogen — measured at N 0.52 g/kg, P 37.3 mg/kg, K 420 mg/kg against this crop's high/medium/medium demand — so the fertilizer plan below prioritises closing that deficit. Spider Plant (Saga) prefers loam soils, while Marsabit is largely sandy, so drainage and organic-matter management matter more here. Marsabit receives approximately 300 mm/year — well below Spider Plant (Saga)'s minimum of 600 mm — so supplemental irrigation would be essential for this crop. Spider Plant (Saga)'s full potential is about 5,000 kg/acre (~KES 250,000/acre at KES 50/kg), but at Marsabit's 12/100 suitability a realistic target here is closer to 750 kg/acre (~KES 37,500/acre) unless the constraints above are addressed.