Our John Innes No. Compost is ideal for planting in pots, containers and raised beds; established plants, trees, shrubs and climbers, including fruit trees, bushes, vines and mature/large houseplants. Our No. John Innes composts were developed over 50 years ago and are based on a traditional recipe of loam, peat and horticultural grit with added nutrients. John Innes No 3 Mature Plant Compost is a loam based compost which has a naturally reduced peat mix.John Innes No 3 Mature Plant Compost has a comprehensive range of nutrients for strong and healthy plant development and the pH level is neutral to slightly acidic, the optimum level to ensure the correct amount of nutrients are freely available for uptake.Bacteria in the compost heap work best at neutral Ph, if the contents of the bin goes acidic (due to organic acids found in all plants), the compost will turn anaerobic, stink and slow down to a halt.John Innes No 3 Mature Plant Compost has a comprehensive range of nutrients for strong and healthy plant development and the pH level is neutral to slightly acidic, the optimum level to ensure the correct amount of nutrients are freely available for uptake.John Innes No 3 Mature Plant Compost is a loam based compost which has a naturally reduced peat mix. This is specifically designed for mature plants as it’s weight can help anchor and secure larger plants. England will ban the sale of peat moss starting in 2024 because of environmental concerns. Peat develops in bogs so wet they lack free oxygen, slowing decomposition. It’s like a pickling process,” Brewer said. The highly acidic conditions in the bog preserve organic matter.As a CO2-negative technology, it’s an excellent choice for gardeners looking to make a positive environmental impact. No. Mature Plant Compost has been developed especially to help mature plants and shrubs, with a long-lasting and nutrient rich formulation.However, peat moss has drawbacks: it is low in nutrients, has a low pH and is not attractive to essential soil microbes. Compost offers an alternative that feeds microbes, improves drainage and retains water, though it decomposes more quickly, Brewer said.The unsustainable exploitation of peat poses a threat to biodiversity and exacerbates the global environmental crisis. In response to these concerns, governments, environmental organisations, and industry stakeholders are taking steps to limit or phase out the use of peat in commercial products.John Innes No. Top Soil and Compost & Soil Improvers at B&Q. John Innes composts have more weight than multi-purpose due to the grit and loam within them so are an excellent choice for larger shrubs or trees that will be planted permanently in pots. The nutrient levels go up from no1 to no 3, providing the feeding requirements for the different stages of the plants.John Innes No 2 contains moderate levels of fertilizer and is used for potting on plants at the next stage of growth, and most vegetables. John Innes No 3 contains the highest levels of fertilizer and is suitable for mature plants growing in pots, such as shrubs, small trees, perennials, and conifers.The normal John Innes Potting Composts Nos 1, 2 and 3 are NOT suitable for most lime-hating subjects such as Azaleas, Heathers and Rhododendrons, etc. The recently re-launched JOHN INNES ERICACEOUS COMPOST is a specially formulated sterilised loam-based, lime-free compost with essential plant foods for such plants.This good absorption and release of water and nutrients is sometimes referred to as having a high level of “buffering”. These qualities make John Innes composts ideal for long-lived plants kept in containers for more than one growing season.As John Innes potting media contain many fine particles gardeners should be wary of adding John Innes materials to other media as the ‘fines’ may fill or block the air spaces within the media that are vital for drainage and aeration of the root zone.
What is the difference between John Innes 2 and 3?
John Innes No 2 contains moderate levels of fertilizer and is used for potting on plants at the next stage of growth, and most vegetables. John Innes No 3 contains the highest levels of fertilizer and is suitable for mature plants growing in pots, such as shrubs, small trees, perennials, and conifers. The recently re-launched JOHN INNES ERICACEOUS COMPOST is a specially formulated sterilised loam-based, lime-free compost with essential plant foods for such plants. John Innes Ericaceous Compost can be used indoors or outdoors – in pots or containers or planting out in the garden.Share. Our Peat Free Multi-Purpose Compost with John Innes is perfect for supporting plant growth from seed through to mature plants. It has been specially developed to help plants at every life stage for a stronger, healthier life – the Life Partner for Plants.
Why is it called John Innes?
The range of John Innes composts were originally developed in the 1930’s at the John Innes Horticultural Research Institute, named after the 19th century developer and philanthropist, John Innes, who bequeathed his fortune to the improvement of horticulture. Westland Multi-Purpose Compost with John Innes is suitable for growing all plants; from seeds to flowers to fruit and vegetables. This compost is also great for seed sowing, containers and pots.
Is John Innes ericaceous?
John Innes formulations can maximise your growing opportunity producing plants with particularly good root development. John Innes Ericaceous compost is specially formulated for growing acid loving or lime hating plants, a mix of loam, peat and grit, ideally use with Camellia, Azalea and Rhododendrons. Levington peat free John Innes No. The optimum drainage system prevents excess moisture.Westland John Innes Ericaceous Compost is specially formulated for acid loving (lime hating) plants. A loam compost, which is a naturally reduced peat mix, is suitable for use with Rhododendron, Camellia, Azalea, Confiers, Magnolias, Acers, Heathers, Pieris, Skimmia, Berberia, Raspberries and Hydrangeas.