Best Dünger Grow 2026

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Last Updated - 27.03.2026

Best Choice

01

420Flow

420Flow Fertiliser Set Indoor & Outdoor - Hemp Fertiliser for Growth Phase & Flowering Phase Grow, Bloom & Booster Liquid Fertiliser Complete Package Nutrient Supply Starter Set (250 ml)

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17% Off
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

Targeted Nutrient Supply Grow promotes germination and vigorous leaves, Bloom supports the flowering phase, booster increases flavor, density and resin formation. Optimised for home cultivation and maximum results.
Matched NPK formulas Precise nutrient ratios with magnesium, sulphur and micronutrients such as boron, iron, manganese and zinc. Promotes strong cell structure, root strength and resilient plants.
Easy to use liquid fertiliser is mixed directly into the irrigation water. Clear dosing instructions on each bottle make it easy to use - ideal for beginners and advanced growers.
3-piece fertiliser set with Grow, Bloom & Booster - covers growth phase and flowering phase. Suitable for indoor and outdoor growing, autoflower and photoperiod plants. Complete set for all phases

24,99 € 29,99 €(17% Off off)
02

Surdefens

BioBizz Bio Bloom 1 Litre & BioBizz Bio Grow 1 Litre

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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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hydroponics
Organic Bloom
Garden
Biobizz
Bio-Grow

22,19 €
03

BioBizz

Biobizz Try Pack Fertilizer

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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

Provides basic nutrition for 1-4 plants
Grow plants like a pro with a high quality, full package created for ease of use and application and can be easily combined with other nutrients/additives
Biobizz Top-Max increases the size and weight of flower clusters, improves the taste of the product and increases nutrient absorption
Biobizz Organic bloom provides lush flower and fruit growth
Biobizz Bio-Grow promotes lush growth

13,65 €
Value for Money

04

BioBizz

Biobizz Try Pack Fertilizer

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11% Off
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

Provides basic nutrition for 1-4 plants
Grow plants like a pro with a high quality, full package created for ease of use and application and can be easily combined with other nutrients/additives
Biobizz Top-Max increases the size and weight of flower clusters, improves the taste of the product and increases nutrient absorption
Biobizz Organic bloom provides lush flower and fruit growth
Biobizz Bio-Grow promotes lush growth

13,15 € 14,78 €(11% Off off)
05

COMPO

COMPO Grow Organic Growth Fertiliser for Special Crops, Fertiliser for Indoor and Outdoor Use, Special Fertiliser for the Growth Phase, Organic, 500 ml, Brown

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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

Provides the perfect base to allow the plant to bloom fully at a later stage
Organic special fertiliser for the growth phase
For best plant growth thanks to innovative nutrient formula made from magnesium, calcium and iron
Dosing aid with 3 levels, liquid fertiliser can be easily mixed with the watering water
100% natural, made from plant materials from the food industry as well as natural raw materials

8,99 €
06

Veddelholzer

Veddelholzer Premium 500 ml All in One Organic Cannabis Fertiliser for Growth & Flowering. Organic Hemp Fertiliser for All Cannabis Cultures and Substrates for Indoor and Outdoor Use Includes Dosing

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15% Off
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

Made in Germany: the Veddelholzer premium organic fertiliser is developed and manufactured in Germany. The NPK liquid fertiliser has been specially developed for cannabis plants to meet the nutrient requirements throughout the entire life cycle.
For all varieties and substrates: the fertiliser is suitable for all types of cannabis plants (Indica, Sativa, Hybrid, Autoflower). Suitable for all substrates (soil, rock wool, coconut fibre) and for indoor and outdoor use.
Easy dosage: thanks to the integrated dosing cap on the bottle with dosing instructions (English language not guaranteed), you can accurately and effortlessly dose the right amount of nutrients. The fertiliser is sufficient for a complete harvest cycle of 3 to 6 plants.
All in one: the cannabis fertiliser provides your plants with all important nutrients during the growth phase and the flowering phase. The special composition of nitrogen, phosphorus and potassium also ensures large and tasty flowers.
100% natural: the liquid fertiliser with Vinasse is purely vegetable origin and is approved for organic cultivation according to EU eco-regulation. The main nutrient nitrogen is organically bound in the form of amino acids. The organic fertiliser has a vitalising effect on soil life and helps your plants to grow healthy and large flowers.

12,70 € 14,95 €(15% Off off)
07

Veddelholzer

Veddelholzer Premium 500 ml All in One Organic Cannabis Fertiliser for Growth & Flowering. Organic Hemp Fertiliser for All Cannabis Cultures and Substrates for Indoor and Outdoor Use Includes Dosing

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24% Off
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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Main highlights

Made in Germany: the Veddelholzer premium organic fertiliser is developed and manufactured in Germany. The NPK liquid fertiliser has been specially developed for cannabis plants to meet the nutrient requirements throughout the entire life cycle.
For all varieties and substrates: the fertiliser is suitable for all types of cannabis plants (Indica, Sativa, Hybrid, Autoflower). Suitable for all substrates (soil, rock wool, coconut fibre) and for indoor and outdoor use.
Easy dosage: thanks to the integrated dosing cap on the bottle with dosing instructions (English language not guaranteed), you can accurately and effortlessly dose the right amount of nutrients. The fertiliser is sufficient for a complete harvest cycle of 3 to 6 plants.
All in one: the cannabis fertiliser provides your plants with all important nutrients during the growth phase and the flowering phase. The special composition of nitrogen, phosphorus and potassium also ensures large and tasty flowers.
100% natural: the liquid fertiliser with Vinasse is purely vegetable origin and is approved for organic cultivation according to EU eco-regulation. The main nutrient nitrogen is organically bound in the form of amino acids. The organic fertiliser has a vitalising effect on soil life and helps your plants to grow healthy and large flowers.

11,43 € 14,95 €(24% Off off)
08

COMPO

COMPO Grow Growth Fertiliser for Special Crops, Fertiliser for Indoor and Outdoor Use, Special Fertiliser for the Growth Phase, Mineral, 500 ml, Green

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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

Provides the perfect base to allow the plant to bloom fully at a later stage
Mineral special fertiliser for the growth phase
For best plant growth thanks to innovative nutrient formula
Dosing aid with 3 levels, liquid fertiliser can be easily mixed with the watering water

7,99 €
09

COMPO

COMPO Grow Growth Fertiliser for Special Crops, Fertiliser for Indoor and Outdoor Use, Special Fertiliser for the Growth Phase, Mineral, 500 ml, Green

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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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Main highlights

Provides the perfect base to allow the plant to bloom fully at a later stage
Mineral special fertiliser for the growth phase
For best plant growth thanks to innovative nutrient formula
Dosing aid with 3 levels, liquid fertiliser can be easily mixed with the watering water

7,99 €
10

HOMEGROW24

Homegrow24 Cannabis Fertiliser Indoor & Outdoor for Cannabis Plants Growth Phase and Flowering Phase Organic Grow & Bloom Hemp Fertiliser I Set

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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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Main highlights

Suitable for all varieties: regardless of the cannabis strain chosen, this fertiliser supports the growth of strong leaves, branches and flowers for a rich and healthy harvest.
Premium growth formula: The all-in-one fertiliser from HOMEGROW24 accompanies your cannabis plants in every growth phase, from cultivation to flowering. This is how you grow healthy plants for maximum crop yields.
Made in Germany: trust in German quality standards. This fertiliser provides up to 6 plants and is sufficient for a complete harvest cycle, easy to dose thanks to the cap.
All-in-one nutrient supply: whether indoors or outdoors, the HOMEGROW24 plant fertiliser provides your cannabis plants with all the essential nutrients for strong growth and aromatic flowers.
100% natural: this organic fertiliser is free from chemical additives and relies on the power of natural micro-organisms and vegetable char. Effectively strengthen your plants naturally.

14,95 €