Growmoor John Innes No.3 Compost 35 Litre is a high-quality, nutrient-rich compost designed for the final potting of mature plants. Made using a traditional blend of loam, peat and horticultural grit, it provides excellent structure, drainage, and long-lasting nutrients.
This John Innes No.3 compost is ideal for larger plants that require a richer growing medium. It supports strong root development while helping to retain moisture and nutrients, ensuring plants remain healthy and well-established.
Perfect for use in pots, containers, and planting out, this compost is part of our wider compost & soil improvers range.
Key Features
- 35 litre bag
- Specially formulated for mature plants
- Traditional loam-based John Innes mix
- Rich in nutrients for strong growth
- Free-draining to prevent waterlogging
Ideal For
- Final potting of mature plants
- Large containers and pots
- Growing shrubs and established plants
- Healthy root development and plant stability
Order Growmoor John Innes No.3 Compost 35 Litre online from Austins Cirencester for reliable gardening results.

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