PlantGrow® Soil Conditioning Natural Fertiliser

100% (1 Review)

Innovative plant based fertiliser

100% chemical free

Pet and animal friendly

Fulfilled and sold by Thompson & Morgan


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Please note: This product cannot be delivered outside the United Kingdom.

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Feed your garden naturally with this revolutionary range of plant based fertilisers. No chemicals, no animal products – just pure plant power!

The PlantGrow® range of natural fertilisers are the first of their kind available to gardeners in the UK. These unique plant feeds are produced using a completely natural process of anaerobic digestion – the same process that is used to produce biofuels.

Carefully selected plant matter, including Maize, grass, and Sugar Beet, are added to sealed tanks where the magic begins! Harmless natural bacteria break down the organic matter to produce a stream of biogas and a fibrous, sludgy material. The gas is converted into energy and fed into the national grid, while the sludge is used to make this high quality, premium range of plant fertilisers.

During development, these products showed astonishing results. PlantGrow completely replaced chemical fertiliser on the farm once tested. Regular use shows a long term effect on plants, producing stronger, healthier growth, increasing crop and flower production by up to 30%. These innovative fertilisers gently nurture the soil to replace essential plant nutrients and produce strong, healthy growth. A soil conditioner and fertiliser all in one!

PlantGrow® is produced using renewable energy and completely sustainable processes. It is organic, vegan, and completely safe for bees, animals and children. Eco gardeners looking for natural and organic products will really like PlantGrow®, as will vegan gardeners.

PlantGrow® Soil Conditioning Natural Fertiliser is a solid plant feed which produces strong, healthy growth throughout the garden. This slow release fertiliser delivers essential nutrients and macronutrients as it is broken down by water in the soil.

It is easy to apply to established borders as a mulch, or mixed into compost when planting up baskets and containers. A large handful can be applied around the base of established plants.

Use this nourishing plant feed anywhere in the garden – from shrubs and perennial borders, to fruits and vegetable crops.

  • Composition:
  • PlantGrow® Soil Conditioning Natural Fertiliser is a solid derived from the process of anaerobic digestion.
  • Nitrogen (N) 6.2%, Phosphate pentoxide (P2O5) 8.3% (3.6%K), Potassium oxide (K2O) 5.8% (5.5%K)

1 x 10 litre soil conditioning natural fertiliser (KB0435)


Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £4.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.


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