Best Bonsai Fertilisers of 2026

Baby Bio Bonsai Food is designed to promote balanced growth for your bonsai. By providing essential nutrients, it helps strengthen your plants, making them more vibrant and resilient. Whether your bonsai is indoors or outdoors, this fertiliser works effectively on various varieties, including Acer and Chinese Elm. It enhances plant vitality, ensuring your bonsai maintain a strong structure and look their best throughout the year. With Baby Bio Bonsai Food, you can easily care for your trees, regardless of your experience level.

The GTBM300 Bonsai Myst is a ready-to-use spray that offers complete care for your bonsai trees. Infused with seaweed, it provides essential nutrients that support healthy growth. This nutrient solution acts as a growth enhancer, promoting vibrant foliage and stronger roots. Additionally, it increases humidity around your plants, creating an optimal environment for them to thrive. With 99% natural ingredients, this vegan-friendly formula is a convenient choice for any bonsai enthusiast.

Bonsai Focus Fertiliser provides balanced nutrition for all bonsai plants, ensuring they thrive. Enriched with humic and fulvic acids, as well as seaweed, it helps maintain optimal fertility in the soil, which is crucial for your plants’ health. You only need to use small amounts, making it an economical choice for your gardening needs. Additionally, it is recommended for use from March to August, allowing you to support your bonsai during its growing season and even occasionally through winter.

The R&R SHOP Bonsai Fertilizer is crafted from pure natural materials, ensuring enhanced growth and long-term soil fertility for your bonsai trees. This ready-to-use plant food is suitable for all indoor and outdoor bonsai, making it a versatile choice. It also contains mycorrhizal bacteria, which support a symbiotic relationship with the plants, aiding in nutrient absorption and root system regeneration. By applying this fertiliser every 2-3 months during the growing season, you can address signs of nutritional deficiency, such as yellowing or falling leaves.

The Growth Technology Bonsai Mix is specially crafted to deliver excellent results for a wide variety of bonsai trees. Its open textured design encourages healthy root growth, which is essential for strong and thriving plants. The mix contains peat, fine grit, sand, and fine bark, providing a balanced environment that supports root development and drainage. Additionally, it has no added nutrients, giving you full control over the growth of your bonsai by allowing you to manage fertilisation as needed. This product is ideal if you want to create the best conditions for your bonsai to flourish.

The R&R SHOP Bonsai Fertilizer is an organic solution designed to nourish your bonsai trees. Enriched with seaweed, humic acid, fulvic acid, and essential microelements, it promotes healthy growth and vitality. By using high-quality organic materials from traditional Japanese recipes, you can trust it to provide your plants with the nutrients they need. The included 3 ml dropper allows for precise dosage, making it easy for you to apply the perfect amount every time.

Chrysal Bonsai Feed is touted as possibly the best general-purpose bonsai feed available. With a balanced 4-6-6 nutrient ratio, it supports robust all-round growth, ensuring your bonsai thrives beautifully. The convenient measurements located inside the cap make it easy for you to dispense the right amount every time, eliminating guesswork. This thoughtful design allows you to feed your bonsai quickly and accurately, ensuring your plants get the nutrients they need without any hassle.

The Westland Bonsai Feed is an excellent choice for nurturing your bonsai. It is packed with essential nutrients that help your bonsai thrive, ensuring stronger and healthier growth. With this feed, you can expect greener leaves and improved root development, which are crucial for the overall health of your plant. The product comes with an easy-to-measure doser, making it convenient for you to mix the right amount with water for application.

The Garten Glück Bonsai Feed is an organic fertiliser designed specifically for bonsai trees. Enriched with essential nutrients, it promotes healthy growth in both indoor and outdoor varieties. The easy-to-use spray application simplifies your bonsai care routine, allowing you to mist the leaves and soil without any mess. This versatile product is suitable for all bonsai types, ensuring vibrant and lush growth year-round. With this feed, you can maintain the natural beauty and vitality of your bonsai effortlessly.