Best Bonsai Fertilisers of 2025

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.

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 BioGold Bonsai Fertilizer is specially designed for all trees, ensuring safe and effective feeding. Its ability to resist moulding and insects means you can maintain a healthy environment for your bonsai without worrying about pests. Controlled feeding allows you to provide nutrients at a steady rate, promoting robust growth. Additionally, the unique shape of the fertilizer prevents it from rolling off the soil, making it easier for you to apply and manage. This thoughtful design helps you care for your bonsai effortlessly.

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.

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.

Bonsai Focus Fertiliser is designed to provide balanced nutrition for all your bonsai plants. Enriched with humic and fulvic acids, along with seaweed, it helps maintain optimal soil fertility, ensuring your bonsai thrive. You only need to use it in very small amounts, making it economical and easy to apply. For best results, use Bonsai Focus from March to August and occasionally during winter, giving you flexibility throughout the year.

The Chempak Bonsai Fertiliser is designed for ease of use, making it perfect for both beginners and experienced gardeners. You simply use the included spoon to measure out the correct amount and mix it with a litre of water. This straightforward method ensures you can nourish your bonsai trees without any hassle. Moreover, it is crafted from high-quality RSS, which promises to deliver essential nutrients for your plants, helping them thrive. Enjoy the convenience of a simple feeding routine that supports healthy growth.

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.