Coco peat (also known as coir pith) is a natural by-product of coconut fibre processing. It is produced from the fibrous husk of the coconut and has become a globally preferred growing medium for greenhouse horticulture, hydroponics, and soil amendment. India is the world's largest exporter of coco peat, with Tamil Nadu supplying the majority of global demand. This guide covers everything greenhouse operators, horticulture distributors, and agricultural importers need to know.
Table of Contents
What Is Coco Peat
Coco peat is derived from the fibrous outer husk of the coconut. After extracting the long coir fibres used for rope and matting, the remaining short fibres and spongy pith are compressed and dried to produce coco peat. It is 100% natural, renewable, and biodegradable. Unlike peat moss (which takes thousands of years to form), coco peat is a true by-product — it is produced in direct proportion to coconut processing volumes, making it a genuinely sustainable resource.
Compressed Coco Peat Blocks

Agricultural & Greenhouse Uses
Coco peat's primary commercial application is as a growing medium or growing medium component in greenhouse horticulture. It is used in grow bags for tomatoes, cucumbers, peppers, and strawberries. In hydroponics, washed coco peat with controlled EC levels supports nutrient film technique (NFT) and drip irrigation systems. As a soil amendment, coco peat improves soil structure, aeration, and water retention in outdoor horticulture and landscaping applications.
Key Application Areas
- Greenhouse vegetable production: tomatoes, cucumbers, peppers, lettuce
- Strawberry and berry cultivation in substrate systems
- Hydroponics and NFT growing systems
- Nursery seedling propagation and transplant mixes
- Soil conditioning and landscape restoration
- Professional potting mix blending (with perlite, vermiculite)
Professional greenhouse operators in the Netherlands and Spain typically specify buffered coco peat with EC below 1.0 mS/cm and pH 5.8–6.5. Buffering pre-treats the coco peat with calcium and magnesium to stabilise nutrient availability from day one.
Block Types & Formats
Coco peat is exported in compressed block form to minimise shipping volume. The 5kg block (approximately 30×30×12cm when compressed) is the most widely traded format — it expands to 70–80 litres of growing medium when hydrated. The 650g block (10×10×6cm) is popular for retail garden centres and home growers. Loose coco peat in grow bags (10–50L) is available for buyers who require ready-to-use substrate without on-site hydration.
Technical Specifications
Professional buyers specify coco peat by EC (electrical conductivity) and pH. Washed grade coco peat has EC below 0.5 mS/cm and pH 5.8–6.8 — suitable for most crops. Buffered grade has EC below 1.0 mS/cm and pH 5.8–6.5, pre-treated with calcium nitrate to prevent calcium and magnesium lock-out. Buyers should always request technical data sheets and batch test certificates confirming EC and pH before shipment.
Packaging & Quality Inspection

Export Packaging
5kg compressed blocks are typically wrapped in polythene film and palletised. Standard pallet configuration: 500 blocks per pallet (2,500kg per pallet). A standard 20-foot FCL holds 10–12 pallets (5,000–6,000kg). Buyers can specify custom block sizes, polythene colour, and private label printing on the polythene wrap. Bulk loose coco peat for industrial soil amendment buyers is available in 1,000kg jumbo bags.
Sourcing & MOQ
The minimum order quantity for international export is typically 1 FCL (20-foot container), equivalent to 5,000–6,000kg of compressed blocks. Buyers with smaller requirements can be accommodated through LCL (less-than-container load) consolidation, though FCL pricing is significantly more competitive. Long-term supply agreements with scheduled monthly or quarterly shipments provide the most stable pricing and supply security.
Key Takeaways
Coco peat is 100% natural, renewable, and a genuine agricultural by-product
The 5kg compressed block expanding to 70–80 litres is the standard export format
Washed grade: EC <0.5 mS/cm; Buffered grade: EC <1.0 mS/cm with Ca/Mg pre-treatment
1 FCL (20-foot) holds 5,000–6,000kg of compressed blocks
Always request batch EC, pH, and moisture test certificates with shipments
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