Multi Purpose Compost Soil with John Innes - 40 Litre

This 40 litre multi-purpose compost soil with added John Innes is designed to create an optimum gr...

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This 40-litre multi-purpose compost is designed for home gardeners and hobbyists looking to provide a high-quality growing medium for a wide range of plants and flowers. By integrating John Innes loam, the compost significantly improves water retention and nutrient stability, ensuring plants remain hydrated and well-fed throughout their growth cycle; however, users should note that as a heavy-based medium, it may be less suitable for plants requiring highly porous or sharp-draining soil without additional amendment.

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Model Part Number1385664
BrandSTORM TRADING GROUP

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FAQs

Can I use this for cacti or succulents?

This compost is likely too moisture-retentive for succulents; it is better suited for moisture-loving garden plants and flowers.

Do I need to add fertiliser immediately?

No, this compost comes with a base fertiliser already mixed in to support early growth.

Is this suitable for seed sowing?

Yes, it is formulated to provide a balanced nutrient profile that is safe and effective for healthy germination.

How much does a 40-litre bag cover?

A 40-litre bag is sufficient to fill approximately four large (10-litre) pots or one large trough planter.

Should I add perlite?

While not necessary, adding perlite is a good option if you want to improve drainage for plants that prefer a slightly lighter soil texture.

Is this soil pH balanced?

It is formulated to be a general-purpose medium, suitable for the majority of common garden plants.

Troubleshooting

Soil seems too compact or dense

Gently break up clumps by hand or mix in a small amount of horticultural grit or perlite if extra aeration is required.

Water pooling on the surface

Ensure the drainage holes at the bottom of the container are not obstructed and consider adding a layer of crocks at the base.

Seedlings appearing yellow

This may indicate overwatering; allow the top inch of compost to dry out slightly before watering again.

Pros and Cons

Pros

  • Improved water retention due to loam content
  • Balanced nutrition suitable for seedlings and mature plants
  • Encourages strong and healthy root systems
  • Pre-fertilized for convenience

Cons

  • Heavier than peat-free or perlite-heavy mixes
  • Requires careful watering to avoid waterlogging
  • Not ideal for arid-climate plants that need extreme drainage

Setup, Compatibility & Care

To use, ensure your pots or containers have adequate drainage holes. Fill the base with a small amount of the compost, position your plant, and backfill the sides, pressing down lightly to remove large air pockets. For long-term care, monitor moisture levels regularly; because this compost holds water well, you may find you need to water less frequently than with standard light-weight mixes. If storing unused compost, keep the bag tightly sealed in a cool, dry, and dark location to preserve the nutrient content and structure of the soil. Avoid leaving the bag open, as this can lead to moisture loss or contamination from pests and weeds.