Westland John Innes No.3 Mature Plant Compost, 10L

Support the growth and health of your mature plants with Westland John Innes No.3 Mature Plant Compost 10 L. This premium, peat-free compost has been formulated to nourish shrubs, flowering perennials, and container plants that demand higher nutrients. Enriched with a balanced feed lasting up to four months, it gradually releases essential nutrients to sustain growth, root development, and flowering.

Key Features

• Peat-Free Formula: No peat, designed to be more sustainable for modern gardening

• Four-Month Feed: Provides sustained nutrients for mature plants over time

• Loam + Grit Blend: Improves aeration and drainage while maintaining structure

• Stable & Moisture Friendly: Easy to rewet and retains moisture without becoming waterlogged

• Anchoring Weight: The density helps hold plants steadily in containers 

• High Nutrient Content: Well-suited for “hungry” plants and heavier feeders 

Ideal For

• Mature container plants: Ideal for shrubs, perennials, or specimen plants already in potting mix.

• Heavy feeders: Plants that demand more nutrition (e.g. flowering shrubs, fruiting plants).

• Repotting large plants: When upgrading to a bigger pot, especially for established plants.

• Complementing garden beds: Use in pots near beds, or mix with soil in planters.

• Eco-conscious gardening: For gardeners seeking a high-performance compost without peat.

Delivery Options:

Standard - £3.99 or FREE for orders over £75 (3-5 working days)
Express - £5.99 (Up to 2 working days)

For more information, please see our Delivery Information.

Returns:

Every order placed with Mahahome is covered by our hassle-free 365-day money back guarantee

All we ask is that the item is returned to us unused and in its original condition and packaging.

For more information on how to return an item, how to request a replacement or refund, and what to do if your item develops a fault, please see our Returns Policy.