Best Bonsai Fertilisers 2026

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Last Updated - 22.07.2026

Best Choice

01

Konfitee

Konfitee Liquid Fertiliser, 1000 ml

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9.8

Exceptional

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Very economical – the 1000 ml bottle of liquid fertiliser is sufficient for up to 200 litres of irrigation water. With the practical cap, the fertiliser can be easily dosed - 4 caps on 5 litres of water.
Extremely versatile – the fertiliser is suitable for all bonsai trees around the house, indoor and outdoor. It is not only useful for older trees, but especially as a starter kit for young plants.
Extremely effective – the bonsai fertiliser improves the root formation of your tree, which improves nutrient absorption and your bonsai grows and thrives
Environmentally friendly – the fertilisers from Flora Boost have no effect on groundwater or the natural balance and especially not on the health of humans and animals
Easy to use – Our Flora Boost bonsai fertiliser can be absorbed via the roots and over the leaves and is easy to use by watering or spraying with a spray bottle.

19,95 €
02

CULTIVERS

CULTIVERS Ecological Bonsai Fertiliser 1 kg Fertiliser from 100% Organic and Natural Origin, Granules with Slow and Controlled Release with NPK 8-1-5+74% M.O. and Humic Acids.

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9.7

Exceptional

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Main highlights

️ 100% ORGANIC AND NATURAL ORIGIN: This granulated bonsai fertilizer is of plant origin and is obtained through controlled fermentation, which guarantees a balanced and environmentally friendly diet without harmful chemicals.
HIGH NPK CONTENT AND HUMIC ACIDS: With an NPK concentration of 8-1-5 and 74% organic matter, this organic fertilizer also contains humic acids and fulvic acids, which improve the physical, chemical and biological properties of the soil.
HEALTHY & CONTROLLED GROWTH CULTIVERS organic bonsai fertilizer is formulated to provide the macronutrients and secondary elements necessary for normal and balanced development of your bonsai to ensure short and thicker internodes.
Easy to use and dosage: you only need 5 grams per application every two days.
Certified organic fertiliser: our bonsai fertiliser is certified organic by the CAAE. Ecological product designed to take care of your plants and the environment.

17,99 €
03

Westland

Westland Bonsai Fertiliser, 200 ml, Plant Fertiliser for Healthy Growth and Strong Roots, Liquid Fertiliser with Practical Dosing Aid

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9.6

Exceptional

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Main highlights

With the extensive Westland range of innovative, high-quality products, every project succeeds, whether rich green lawn, healthy indoor plants or flowering plants in the garden.
Optimal properties - The liquid bonsai fertiliser provides all vital nutrients as well as valuable trace elements for vigorous growth and healthy, rich green leaves.
Ideal nutrient supply - The fertiliser for bonsai plants impresses with a balanced nutrient formula. In addition, the fertiliser concentrate promotes the plant's own defences.
Easy to use - For best results, add 5 ml of liquid care fertiliser to 1 litre of water. The bonsai tree fertiliser can be used every second or every fourth watering process in winter.
Box contents & note - Westland bonsai fertiliser in a 200 ml bottle with dosing cap. The liquid flower fertiliser for indoor bonsai contains important trace nutrients. Item number: 733919.

4,99 €
Value for Money

04

GREEN24

Ficus Ginseng Retusa Microcarpa Bonsai Fertiliser, Chinese Fig, Liquid Fertilising

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9.5

Excellent

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With a quick availability for the plant thanks to the most effective complex compounds. Very rich and very effective fertiliser concentrate.
Tuned nutrients for the species ginseng, retusa, microcarpa, religiosa etc
Special liquid fertiliser for ficus species in bonsai design. Suitable for simultaneous foliar and root fertilisation.
On each fertiliser there is detailed instructions (English language not guaranteed). Very easy to use, the dosage is done via the cap. Contents: 250 ml
Depending on the type and condition, 250 ml fertiliser concentrate is sufficient for 50 - 80 litres of finished liquid fertiliser

9,95 €
05

R&R SHOP

R&R SHOP - Organic Fertilizer for Bonsai, Organic Full Food, Slow Release Perfect for All Indoor and Outdoor Bonsai Plants - 150g (Bonsai)

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9.4

Excellent

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USE: For best results, sprinkle 10g of fertilizer (2 teaspoons) in a 20cm or 5/10 litre pot on the soil and remember to water after fertilization
Our product: made from the best natural materials to improve plant growth by giving the soils long-term fertility. Ready-to-use vegetable fertiliser for all types of indoor and outdoor bonsai. Allowed in organic farming
Mykorrhizale bacteria: they help in the symbiotic relationship with the plant to access the nutrients provided by the fertilizer, and also increase the root system and its regeneration.
DURABLE PACKAGING Recyclable aluminum bag with resealable zipper, convenient for storing fertilizers without UV radiation, heat and moisture to allow the best product preservation
Use: every 2-3 months during the growing season. Looking at the needs of the plant, such as yellowing or falling leaves, slow vegetative growth indicates fertilizer deficiency. Reduce consumption in the winter months
Measuring spoon: included in the bag, size: 5 g, for a cleaner and more precise dosage

8,99 €
06

Dehner

Dehner Bonsai Fertiliser, High Quality Liquid Fertiliser for Bonsai, NPK Fertiliser with Trace Nutrients, 2 x 250ml (500ml), Each 50L

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Specially designed for indoor and outdoor bonsai
Pleasantly easy to use
Low chloride
Highly effective NPK fertiliser solution 1.1 + 1.5 + 2 with many trace nutrients
For healthy and controlled growth

11,99 €
07

GREEN24

Bonsai fertiliser NPK nitrogen + high-tech fertiliser for fertilising bonsai plants, premium liquid fertiliser from the professional line, for leaf growth, cell division and rich green, made in

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9.1

Excellent

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Stickstoffbetonter liquid fertiliser for bonsai cultures, nitrogen plus for more sheets of mass, and fast and cell division, high metabolism rate, deep green leaves, optimal photosynthesis.
Quick availability to the plant just by most effective complex connections.
On Any fertiliser is comprehensive instructions (cannot guarantee these will be. Very easy to use, to see using the lid.
New high-tech fertiliser. Very dilute but very effective fertiliser concentrate. Contents 250ml
Depending on plant type and condition, 250ml fertiliser concentrate is sufficient for 60 – 125 litres finished liquid fertiliser.

9,85 €
08

Bonsai-Shopping

BioGold 700 g Organic Solid Bonsai Fertiliser - Japan (not original packaging)

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9.0

Excellent

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Solid bonsai fertiliser from Japan.
Organic gold - organic
For laying on the ground. Dosage: approximately every 4-6 weeks, 1 pellet to approx. 5 x 5 cm soil surface. Due to the slow decomposition of the fertiliser, over-fertilisation or over-salting is almost not possible.
(Fresh filling from 5 kg original container - not in original packaging.)

15,90 €
09

Chrysal

Chrysal Liquid Fertiliser for Bonsai - 250 ml

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8.9

Very Good

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Volume: 250 ml
Very economical
Practical dosing cap
High-quality trace elements for healthy growth
High quality for robust plants

5,99 €
10

Growth Technology

Bonsai Focus Unique Liquid Concentrated Fertiliser 100ml

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

To maintain maximum soil fertility enriched with humic and fulvic acids as well as marine algae
Simply dissolve 5ml Bonsai Focus in 1 litre of clean water
Bonsai Focus should be used from March to August and occasionally in winter
Balanced nutrient supply for all bonsai plants
According to the recommendations for use with very small amounts of topsoil

3,51 €