John Innes No.3 Compost

Price range: £100.00 through £230.00 inc. VAT

John Innes No.3 brings rich, sustained nutrition to mature plants with its traditional high-fertility loam-based formula. This nutrient-dense compost combines sterilised loam, peat and sharp sand for the perfect balance of drainage and moisture retention. Perfect for:

  • established shrubs, trees and climbers
  • large containers and raised beds
  • vigorous fruits and vegetables like tomatoes
  • fruit bushes and perennials
  • long-term potting projects

The stable structure delivers essential nutrients over time, supporting strong root growth without frequent re-potting. John Innes No.3 is ideal for creating healthy, thriving displays in your garden or greenhouse — perfect for renovating your indoor and outdoor spaces.

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This mix is the richest compost mix, with triple the amount of nutrients of John Innes No.1, which is how it gets it’s name. It excels with mature and established plants that need sustained, long-term nutrition – think shrubs, trees, climbers, fruit trees, vines, and even larger indoor specimens destined to stay potted for years.

Key Features

  • Great air/water balance
  • Easy to water
  • Natural pH levels
  • High levels of nutrients
  • Long-lasting
  • Sustains plants at all stages of growth

Product Composition

  • John Innes No. 3 compost
  • Sterilised loam, peat, sharp sand and ground limestone
  • 8mm Loam: 55% v/v
  • Peat: 25% v/v
  • Grit: 17% v/v
  • Contains Super Phosphate
  • Contains Potassium Sulphate
Quantity

Builders Bag (approx. 700L), 5 x 25L Bags, 10 x 25L Bags, 15 x 25L Bags, 20 x 25L Bags, 30 x 25L Bags, 40 x 25L Bags

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