Best Bonsai Fertilisers 2026

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Last Updated - 27.03.2026

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01

Bonsai-Shopping

BioGold 2100g Organic Solid Bonsai Fertiliser - Japan (not original packaging)

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9.8

Exceptional

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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.)

42,90 €
02

Bonsai-Shopping

Saidung Ultra 63192 Organic Solid Bonsai Fertiliser 1800 g

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9.5

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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Saidung Ultra is a highly concentrated organic fertiliser with a high proportion of sewing materials and is made exclusively from vegetable raw materials.
Saidung Ultra for a healthy soil climate protects the variety of bacteria and fungi in the substrate.
Saidung Ultra does not silt the substrate.
Ingredients: nitrogen: 8% - phosphorus: 4% - potassium: 5% and calcium - magnesium - sulphur - iron and copper
1800 g. Saidung Ultra in a practical and resealable bucket

22,50 €
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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9.4

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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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

Westland

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

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9.3

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

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 €
05

R&R SHOP

R&R SHOP Traditional Japanese Bonsai Fertilizer - Liquid Bonsai Fertilizer with Dripper 3ml - 250ml

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9.2

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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Selected among the best Japanese manufacturers who stay true to the traditional recipe and use only high-quality organic materials
Organic bonsai fertiliser enriched with seaweed, humic acid, fulvic acid and essential microelements
A 3 ml dropper is included for perfect dosage

10,99 €
06

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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9.0

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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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 €
07

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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8.9

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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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 €
08

Growth Technology

Bonsai Focus Growth Technology 300ml
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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4,65 €
09

Konfitee

Konfitee Liquid Fertiliser, 1000 ml

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8.7

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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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 €
10

Chrysal

Chrysal Liquid Fertiliser for Bonsai - 250 ml

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8.6

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

5,99 €