Best Indoor Flower Fertilisers of 2025

Baby Bio Plant Food is a ready-to-use solution enriched with natural seaweed extract, designed to stimulate healthy growth in your houseplants. By incorporating it into your regular plant care routine, you can encourage beautiful blooms and lush green leaves. The convenient pre-made formula makes application a breeze; simply pour it onto your plants. Its balanced nutrients ensure your plants receive everything they need to thrive, helping them look their absolute best.

Phostrogen Ericaceous Plant Food is designed for healthier, more beautiful acid-loving plants. This organic formula is ideal for azaleas, camellias, and rhododendrons, making it perfect for your garden. It helps prevent leaf yellowing by being rich in iron, ensuring greener and healthier leaves. The easy application process allows you to simply apply it to the base of the plant and hoe before watering, making plant care straightforward and effective.

Liquid Growmore Plant Food is a balanced multi-purpose feed enriched with micro-nutrients, ideal for promoting strong and healthy growth in various plants. This fast-acting liquid fertiliser ensures your flowers, fruit, vegetables, and shrubs thrive, whether indoors or outdoors. With one litre of concentrate, you can create up to 300 litres of nutrient-rich feed, making it incredibly convenient for large gardens or greenhouses. The integral measure helps you mix precisely, ensuring optimal results every time you feed your plants.

GardenNova Peace Lily Fertilizer is expertly crafted for indoor peace lilies, ensuring they receive essential nutrients with its 3-1-2 concentrate of nitrogen, phosphorus, and potassium. This organic formula allows you to care for your plants without harmful chemicals, promoting a healthy and natural growth environment. You can expect abundant blooms with more frequent flowering, enhancing the beauty of your home. Additionally, this fertiliser strengthens the roots, which is crucial for overall plant resilience and vitality.

The Baby Bio Houseplant Food is designed to enhance the health and appearance of your indoor plants. With just 5-10 drops mixed into half a litre of water, you can easily nourish your houseplants, promoting lush green leaves and vibrant flowers. Its balanced formula ensures that your plants receive essential nutrients for bigger blooms and strong roots. This product is suitable for all houseplants, making it a convenient choice for any plant lover looking to brighten their home.

Miracle-Gro Plant Food is specially formulated to promote healthy growth in your roses and shrubs. It helps improve the quality of blooms, ensuring your plants look vibrant and attractive. Whether you have indoor or outdoor varieties, this concentrated plant food is suitable for all types. By using this product, you can enhance the overall vitality of your plants, making them stronger and more resilient to challenges.

The Plantsmith Care Mist is a premium plant spray designed to enhance the health of your indoor plants. With 17 essential ingredients, including lavender and avocado oils, it promotes growth while naturally repelling pests. This mist is suitable for all types of leafy houseplants and succulents, thanks to the rich kelp extract and Humic Acid that stimulate growth. Using it is simple; just shake the bottle and mist the leaves, providing your plants with the nourishment they need for vibrant, long-lasting leaves and flowers.

My Happy Garden Plant Food is perfect for anyone looking to enhance their garden. You can expect more vibrant and healthier-looking plants in just seven days. This multi-purpose plant food is versatile, suitable for both outdoor gardens and indoor plants. The ready-to-use formula means there's no need for dilution, making it incredibly convenient for you. Plus, it's safe for both children and pets, allowing you to garden with peace of mind.

GS Plant Foods Flower Power Fertiliser offers quick absorption of essential nutrients, ensuring accelerated growth and vibrant blooms for your plants. Its concentrated formula means you only need a small amount, making it both potent and economical. Packed with macro and micro-nutrients, it optimises soil conditions for seed germination and root growth, helping your flowers thrive. Additionally, the easy application method allows you to mix it with water and feed your plants simply, ensuring they receive the right balance of nutrients.

The Plantsmith Care Set is an ideal solution for keeping your indoor plants thriving. This handy gift set includes essential sprays that provide nutrients for glossy leaves and vibrant flowers. Inspired by professional formulations, these botanical extracts promote healthy growth, ensuring your plants look their best all year round. Additionally, this two-piece collection comes beautifully gift-boxed, making it a perfect present for gardening enthusiasts or houseplant lovers.