Best Liquid Multi-Purpose Fertilisers of 2026

Miracle Gro Plant Food is designed to feed all types of plants instantly after application, ensuring they receive the nutrients they need right away. With its effective, nutrient-rich formula, you can expect bigger blooms and beautiful foliage, enhancing the overall look of your garden or indoor plants. The concentrated formula mixes effortlessly with water, saving you time and effort during your gardening tasks. This versatile product is suitable for both outdoor gardens and indoor houseplants, making it a convenient choice for all plant lovers.

The Multi-Purpose Grow Easy is designed to promote strong and healthy growth in your plants, ensuring you enjoy high yields of flavourful fruits and vegetables. It contains trace elements that help strengthen the roots, providing a solid foundation for your plants. With a balanced blend of nutrients, it supports robust growth across various types of plants. Additionally, the unique surfactant system enhances the distribution and uptake of the liquid, making it easier for you to nourish your garden effectively.

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.

Doff Growmore Plant Food is a balanced liquid fertiliser designed for all types of plants, whether indoors, outdoors, or in a greenhouse. Its formulation includes essential micro-nutrients, ensuring your plants receive the nourishment they need to thrive. The liquid concentrate comes with an integral measure, making it easy for you to apply the right amount without any fuss. This versatility allows you to maintain healthy and vibrant plants throughout the year, simplifying your gardening routine.

The Houseplant Focus Fertiliser is designed to boost the growth of your indoor plants. It combines all essential nutrients, providing you with balanced nourishment every week, which helps your plants grow stronger and healthier. This fertiliser is crafted from pure and soluble mineral salts, ensuring that your plants receive optimal feeding for blooming. Enriched with kelp extracts, humic acid, and fulvic acid, it enhances nutrient absorption, supporting the overall growth and development of your beloved houseplants.

The Phostrogen Liquid Plant Food provides an easy all-purpose nutrition boost for both indoor and outdoor plants, helping you enjoy healthier green leaves, colourful flowers, and larger fruits. It strengthens your plants by improving their drought resistance, so they cope better in dry conditions. The formula also supports a strong and healthy root system, which is essential for plant stability and nutrient absorption. Ideal for seedlings and established plants alike, this feed helps you nurture your garden or houseplants with ease and confidence.

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.