Best Bonsai Dãnger 2026

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Last Updated - 27.03.2026

Best Choice

01

Bonsai-Shopping

Saidung Ultra 4200 g Organic Solid Bonsai Fertiliser 63193

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9.7

Exceptional

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

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
4200 g. Saidung Ultra in a practical and resealable bucket

35,50 €
02

Bonsai-Shopping

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

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9.6

Exceptional

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

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 €
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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9.5

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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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 €
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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9.4

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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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

05

COMPO

Compo Sana Bonsai Compost with 8 Weeks of Fertiliser for All Indoor and Outdoor Bonsai Tree Substrate 5 L

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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

Ready-to-use special soil including start fertiliser for up to 8 weeks, ideal for all indoor and outdoor bonsai
Healthy plant growth and high stability: optimal nutrient supply thanks to the included starter fertilisation, ideal water management and avoidance of waterlogging through quartz sand, strengthening of root growth thanks to the root activator Agrosil
Easy to use: cover the water drainage holes with a fine grid, filling the bottom of the vessel with soil, inserting the plant with root balls (root cutting by 1/3 recommended), incorporating the soil around the roots
COMPO Quality guarantee: selected raw materials according to original Compo formula, pleasant smell, strict quality control by the independent investigation and research institute of the Chamber of Agriculture (LUFA)
Box contents: 1 x 5 litre bag of Compo Sana bonsai soil including 8 weeks of nutrient supply, pH value: 5.0 - 6.5, item number: 11602

6,99 €
06

Konfitee

Konfitee Liquid Fertiliser, 1000 ml

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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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Main highlights

Very economical – the 500 ml bottle of liquid fertiliser is sufficient for up to 100 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.

14,95 €
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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9.1

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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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

GREEN HOME LOVE NATURE

Green Home Bonsai Fertiliser 1 Litre | Highly Effective Bonsai Fertiliser for Strong Growth | Bonsai Fertiliser Liquid with Trace Elements | Easy to Dose | Ideal for Indoor and Outdoor Bonsai

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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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Main highlights

Suitable for all bonsai types - The bonsai fertiliser is perfect for both indoor and outdoor bonsai trees. Especially young plants benefit from the nitrogen-reinforced formula, which promotes intense green and strong growth. Even older trees are optimally cared for.
Optimal Nutrient Supply for Healthy Growth - The Green Home Bonsai Fertilizer provides a balanced blend of nutrients and trace elements specifically tailored to the needs of bonsai trees. Your bonsai gets the perfect care for strong roots and rich green leaves.
Highly effective and economical - One litre of bonsai fertiliser is enough for 200 to 400 litres of finished liquid fertiliser. This makes the fertiliser not only effective, but also extremely economical. Your bonsai plants benefit from a long-lasting and comprehensive nutrient supply.
Environmentally friendly packaging - The bottle is made from 100% recycled material, which protects the environment. Make sure to use the fertiliser when used properly so as not to pollute the environment. Your bonsai fertiliser is safe for humans and animals when used correctly and ensures sustainable plant growth.
Easy and clean to use - Thanks to the practical dosing pump, the bonsai fertiliser liquid can be easily and cleanly dosed. Three strokes per litre of water are enough to provide your bonsai with all the important nutrients weekly. In winter, half the dosage is sufficient.

13,95 €
09

GebEarth

GebEarth® - Bonsai Soil, Professional Bonsai Substrate for Stronger Roots and Optimal Ventilation 【1L】

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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

Premium blend: Rich in specific nutrients to provide comprehensive support for your bonsai.
Strong roots: promotes strong and deep root growth that ensures long-term stability and health for your bonsai.
Professional formulation: GebEarth bonsai soil offers the perfect balance between aggregates and peat to provide you with a product that meets the requirements of experienced bonsai lovers.
Improve repotting quality: its balanced structure helps reduce repotting stress and promotes root reformation.
Efficient drainage: prevents waterlogging and promotes aeration of the roots thanks to a high proportion of clay and lava sand.
Compact dimensions: Bonsai soil in practical and space-saving formats for your home.

8,97 €
10

GebEarth

GebEarth® - Bonsai Soil, Professional Bonsai Substrate for Stronger Roots and Optimal Ventilation 【1L】

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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.

Show more
Main highlights

Premium blend: Rich in specific nutrients to provide comprehensive support for your bonsai.
Strong roots: promotes strong and deep root growth that ensures long-term stability and health for your bonsai.
Professional formulation: GebEarth bonsai soil offers the perfect balance between aggregates and peat to provide you with a product that meets the requirements of experienced bonsai lovers.
Improve repotting quality: its balanced structure helps reduce repotting stress and promotes root reformation.
Efficient drainage: prevents waterlogging and promotes aeration of the roots thanks to a high proportion of clay and lava sand.
Compact dimensions: Bonsai soil in practical and space-saving formats for your home.

8,52 €