Amaranth farming guide — Kenya

Soil requirements, top counties, seed varieties, fertilizer plan & economics

Interested in starting or scaling amaranth farming in Kenya? This comprehensive guide maps out the optimal soil requirements (such as target pH ranges), the most suitable counties for growing amaranth, certified seed varieties, seasonal fertilizer guidelines, and a detailed per-acre production budget to set you up for a successful harvest.

Soil requirements

pH range
5.5–7.5
Nitrogen
high
Phosphorus
medium
Potassium
medium
Preferred texture: Loam

Optimizing soil and fertilizers for Amaranth in Kenya

To achieve maximum yields when farming amaranth in Kenya, managing soil suitability is crucial. This crop performs best within a soil pH range of 5.5 to 7.5. Soils that fall outside this range can lock out essential macro and micro-nutrients, leading to stunted growth or crop failure. For acidic soils, applying dolomitic or calcitic agricultural lime is recommended at least 30 days before planting to normalize acidity.

Fertilizer application should be calibrated based on the crop’s nutrient demands. Amaranth has a high nitrogen requirement, medium phosphorus requirement, and medium potassium demand. Using certified seed varieties suited for your specific altitude and rainfall pattern, combined with a precise basal and top-dressing program (such as applying CAN at Week 2-3 after thinning), ensures high crop quality and protects your overall farm investment.

Best counties for Amaranth

Challenging counties for Amaranth

These counties may need soil amendments for Amaranth

Certified seed varieties

Terere KALROMedium/Highland
KALRO · 30-45 days · 60-90 bags/acre
Indigenous leafy vegetable; high iron and protein; fast multiple harvests; KALRO selection.
Amaranthus CruentusMedium
Simlaw Seeds · 30-45 days · 60-85 bags/acre
Leafy type; broad soft leaves; continuous harvest; drought tolerant.
Grain Amaranth (Hypochondriacus)Medium/Highland
KALRO · 90-120 days · 8-12 bags/acre
Grain type; gluten-free; high lysine; dual leaf and grain use.
KAT Gold (KAM 114)Lowland to Highland 20-2400m
KALRO · 80-100 days · 8-11 bags/acre
Golden seeded; dual purpose (grain & veg); highly drought tolerant.
Terere SmartLowland to Highland 20-2400m
KALRO · 75-90 days · 6-7 bags/acre
Whitish cream seeds; dual purpose; main stem is erect with a big panicle.
KK Livokoyi (AM 38)Lowland to Highland 250-2000m
KALRO / University of Eldoret · 45 days · 22 bags/acre
Leafy vegetable; long harvesting window (30 days); very high calcium/magnesium/zinc.
KK Mrambi (Ex-Zim)Lowland to Highland 250-2000m
KALRO / University of Eldoret · 45 days · 27 bags/acre
Leafy vegetable; long harvesting window (45 days); high calcium & magnesium.

Planting calendar

Long Rains

Month 1
Sowing or Transplanting & CAN Basal
Month 2
Thinning & 1st Top Dressing
Month 3
Continuous Leaf Harvest

Short Rains

Month 1
Sowing & Basal Fertilizer
Month 2
Weeding & Top Dressing
Month 3
Harvesting & Seed Saving

Dry Season

Month 1
Irrigation & Continuous Harvesting
Month 2
Top Dressing every 3 weeks
Month 3
Replanting if stand exhausted

Economics

Market priceKES 40/kg
Expected yield4,000 kg/acre

Est. revenueKES 160,000/acre

Top dressing

Product: CAN
Timing: Week 2-3 after thinning
Bags/acre: 1

Top dress with CAN after thinning and again after each major leaf harvest to sustain tender regrowth

Fertilizer prices

DAPKES 2,500
CANKES 2,500
NPK 17:17:17KES 2,500
UreaKES 2,500
LimeKES 1,500

Subsidized price / 50kg bag

Check your county for Amaranth