Our Wessex Soil Improver Compost is Soil Association approved, peatfree soil improver. This compost is renowned for breaking up heavy soils, adding organic matter and slowly releasing nutrients in a suitable and environmentally friendly manner.

This is easy to use and maintain, this product improves soil structure & fertility for regularly planting trees and shrubs. This compost is not designed for use as a growing medium, a medium for planting acid-loving species or as a top dressing for turf

• Input materials: Biodegradable green plant  & tissue matter
• Particle Size Distribution: >100% passing a 7.0mm screen >90% passing a 4.0mm screen >50% passing a 1.0mm screen
• Bulk Density: 500 – 600 g/litre
• Moisture Content: 35% m/m
• Dry Matter: 65% m/m
• Organic Matter: (as loss recognition) 25% of the dry matter
• PH: 7.5 – 8.5
• Electrical Conductivity: 400µS/cm
• Purity: Substantially free of physical contaminants, viable weed seeds and pathogens.
• Potentially Toxic Elements: Within acceptable limits (“Heavy Metals”)
• Certification: PAS100 & the Compost Quality Protocol, in which this quality compost was produced in compliance with the Compliance Quality Protocol

This product can be purchased in bulk bags which contain approximately 850kg.

What is PAS 100 Compost?

Publicly Available Specification is a widely recognised compost quality standard within the organics recycling sector.

To ensure a high standard of compost, PAS is set by the British Standards Institution that requires producers to establish a top-quality production policy.

This product status is given in recognition of non-hazardous waste that contains biodegradable materials only, making it safe to use in both domestic and commercial settings.

What does BS3882 mean?

The British Standard 3882 certifification for topsoil has been set out to ensure a consistently high performance grade; a standard set out by the British Standards Institute. This standard is the revised version of the 1994 originally set out.

BS3882 is measured on three components: Soil Structure and Classification, Free-from Contamination and Fertility. BS3882 topsoil suppliers are also able to provide results of the soil analysis which includes the origin of the soil, the contamination parameters and written confirmation that the soil complies with the standard BS3882:2007.

All of the Stone Zone & Landscaping Centre's soil contains BS3882 Soil for multi-purpose use, ideal for all gardening and landscaping applications.  

Buy More, Save More...

The higher the amount of bulk bags you purchase, the higher the discount will be per bulk bag.  

A Delivery Service you can Rely on

You don't need to be there for delivery; if you're happy to do so, our delivery drivers can deliver bulk bags to your front garden without a signature.

Alternatively, our experienced drivers can operate their lorries to deliver bulk bags over fences at the front, side or back of your property, you will need to be present for this delivery type.   

Please let us know if there are any access difficulties to your road or property. If your property has very tight access and we need to use a small lorry, a surcharge of £30 + vat will apply.   

Any questions? Use our live chat to speak to an advisor, alternatively, you can fill out an enquiry form or call us on 01202 874207.