Best Organic Multi-Purpose Fertilisers of 2025

The Grow Chem Fertiliser is an organic soil booster that nourishes your plants and lawn with essential nutrients. This all-purpose fertiliser improves soil quality by feeding beneficial bacteria, ensuring healthier and denser soil. You can expect robust growth, vibrant flowers, and high-yielding fruits and vegetables, enhancing both flavour and colour. With effortless application, you can easily sprinkle it over your garden every 4-6 weeks, making it convenient for all-season growing.

The envii SeaFeed Xtra is a versatile organic liquid seaweed fertiliser designed to promote strong growth and lush foliage in your plants. Its unique formula includes extra iron and plant-based amino acids, which enhance nutrient absorption, ensuring your garden plants thrive. This product is suitable for a variety of plants, including lawns, fruits, vegetables, flowers, and trees. With its easy-to-use bottle featuring a built-in measuring chamber, you can effortlessly mix the solution, making up to 500 litres from just one litre of concentrate.

Envii Allgrow Plant Food is a versatile solution for your indoor and outdoor plants. It offers essential macro nutrients, ensuring your plants thrive throughout their growing cycle. With a balanced NPK ratio of 6-2-4, it enhances crop yield and improves overall plant health. Made from certified organic and vegan-friendly ingredients, it is safe for pets, children, and wildlife. The easy-to-use measuring chamber allows you to mix the right amount effortlessly, making plant care straightforward for everyone.

Elixir Gardens Fertiliser is a fast-acting organic nitrogen source that provides essential nutrients for your plants. By applying it in early spring, you can give your greenery a healthy boost and maintain robust growth throughout the summer. It is particularly beneficial for leafy crops like lettuce, spinach, and cabbage, ensuring they thrive. Additionally, this fertiliser excels as a top dressing for foliage plants in greenhouses or conservatories, making it a versatile choice for enhancing your indoor and outdoor gardening efforts.

Hardys Farmyard Manure is a 40L organic fertiliser perfect for enhancing your indoor and outdoor plants. This rich horse manure improves soil structure and provides essential nutrients, ensuring your plants thrive. It also enhances aeration and water retention, making it an excellent addition to your garden compost. Additionally, it serves as a potting soil enhancer, helping increase soil fertility and promoting healthier plants with greater yields.

The Elixir Gardens Fertiliser is a fast-acting, organic solution that provides a readily available form of nitrogen for your plants. By applying 35g per square metre, you can give your plants a healthy boost in early spring and maintain robust growth throughout the summer. This fertiliser is especially beneficial for leafy crops like lettuce, spinach, and cabbage, ensuring they thrive. Additionally, it works excellently as a top dressing for foliage plants in greenhouses or conservatories, promoting lush leaf development.

Grow Chem Bone Meal is an organic, slow-release fertiliser that enhances root strength and plant growth. With an NPK ratio of 3-9-0, it provides essential phosphorus, which is crucial for healthy plant development. This versatile fertiliser is perfect for a variety of plants, including bulbs, shrubs, and flowering varieties like roses and dahlias. You can use it throughout the growing season, ensuring that your garden thrives with robust fruits and vegetables, from strawberries to root crops.

The Maxicrop Seaweed Extract is a powerful natural plant growth stimulant that enhances the vitality of your plants. It promotes healthy root development, allowing your plants to absorb nutrients more effectively. This product is suitable for all types of plants, whether they are flowers, shrubs, trees, or vegetables, making it a versatile choice for your home or garden. Additionally, it strengthens plants, helping them cope with transplant shock and environmental stresses like drought.

Neudorff Plant Feed is designed to give your plants a comprehensive nutrient boost, promoting healthy growth and vibrant blooming. It is certified for organic gardening, ensuring you can nurture your plants in an eco-friendly way. This versatile feed is suitable for all plant types, making it an essential addition to your gardening supplies. You will also appreciate how it enhances flowering and fruiting, providing the right nourishment for your plants to thrive beautifully.

The GardenersDream Fertiliser is an excellent choice for nourishing your plants. It is made from top-quality materials, ensuring your flowers and vegetables receive essential nutrients. This product is designed to be user-friendly, making it suitable for everyone, from novice to experienced gardeners. With its superior results, you can expect vibrant flowers and healthy vegetables. Additionally, it covers over 14 square metres per kilogram, providing great value for your gardening efforts.