Best Dünger Für Hanf 2026

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Last Updated - 22.07.2026

Best Choice

01

Granny's World

GRANNYS Grow & Bloom Set - Liquid Fertiliser for Cannabis Plants I Organic I For Growth & Flowering Phase I Indoor & Outdoor I Easy to Use I With Measuring Cup

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9.8

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

Plant Nutrients Macro and Micronutrients: Grandma's fertilizer provides everything plants need for healthy growth: important macronutrients such as nitrogen, phosphorus and potassium for strong leaves, roots and resistance, as well as calcium, magnesium and sulfur for cell structure and photosynthesis. Also valuable micronutrients such as iron, manganese, zinc, copper, boron and molybdenum are included, essential for metabolism and a strong plant life.
Grannys Grow & Bloom fertiliser is made from pure organic ingredients that improve soil fertility and stimulate root growth without the use of synthetic chemicals. The ingredients are unchanged, but Grandma has ensured better packaging, now with practical measuring cup!
Delivery: Grannys Grow and Bloom fertiliser in a 500 ml bottle. Perfect for indoor or outdoor cultivation. Optimal setup for your plants
Benefits of Grandma's organic fertiliser: Grandma's organic fertiliser naturally provides your plants with all important nutrients slowly, evenly and sustainably. It improves soil structure, activates soil life and ensures a healthy, fertile soil. Thanks to the gentle decomposition of organic substances, nutrients remain available for longer without overwhelming the plants. The result: strong plants, vibrant soil and a garden like grandma's before.
Areas of application: Grannys fertiliser, suitable for indoor or outdoor cultivation. The liquid, organic NPK fertiliser on a plant-based basis is the guarantee for spectacular growth of your hemp plants. It provides them with nutrients, strengthens the roots and ensures healthy, strong plants.

20,90 €
02

Purgrün

Purgrün Cannabis Fertiliser Set 2 x 1 Litre - Fast Action Mineral Formula - Full Spectrum Nutrients for Growth & Flowering - Liquid Fertiliser Indoor & Outdoor - For Autoflowers, Sativa & Indica

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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

Set for the whole cultivation period: mineral components and trace nutrients for rapid onset of action.
NPK-rich grow fertiliser: especially for cannabis plants in the growth phase with 7% nitrogen, 3% phosphorus, 6% potassium for robust growth.
Liquid fertiliser
Easy to use: both fertilisers offer a practical dosing cap for precise and clean application - adaptable for different plant sizes and growth stages.
Complete supply for all phases: from sowing to harvesting, this set supports cannabis plants with essential nutrients at every stage of life.
Bloom fertiliser for flowers: perfect NPK balance of 3+5+7, enriched with potassium and trace elements for explosive flower development.

16,99 €
Value for Money

03

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 Cap

36% Off Limited Time Deal

36% Off

Limited Time Deal

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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

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 € 17,95 €(36% Off off)
04

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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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 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.

14,90 €
05

GREEN HOME LOVE NATURE

Green Home Cannabis Fertiliser Set Growth Flower 2 x 1 L Liquid Fertiliser with Dosing Pump for Indoor Outdoor Autoflower Hemp Plants NPK 7+3+5 and 5+5+7 Fast Nutrient Absorption

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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

Precise dosage with pump: the practical dosing pump allows for clean and easy application without spills or overdosing. The cannabis liquid fertiliser is suitable for soil, coconut and other substrates and supports an even supply of your fertiliser cannabis plants in daily growth.
Liquid fertiliser in recycled bottles: the 1 litre bottles are made from 100% old plastic and offer a practical solution for regular fertilising applications. The mineral flower fertiliser and growth fertiliser is suitable for hobby growers and experienced plant lovers with a focus on strong plants and intense flowers.
Growth and flower set: the Green Home cannabis fertiliser set combines growth fertiliser NPK 7+3+5 and flower fertiliser NPK 5+5+7 for a coordinated supply of your cannabis plants. The mineral grow fertiliser cannabis supports strong roots, stable shoots and intensive flowering during growth and flowering phase in indoor and outdoor applications.
For indoor outdoor and car flower: the grow fertiliser set is suitable for different cultivation methods and cannabis varieties. Whether grow box, greenhouse, balcony or outdoor culture, the cannabis fertiliser supports growth, root formation and flower development during all growth phases.
Fast nutrient supply: the liquid hemp fertiliser quickly provides your plants with important macro and trace nutrients. Ideal as a cannabis fertiliser outdoor or indoor grow fertiliser for controlled development of young plants up to the flowering phase in various cannabis varieties and autoflower plants.

15,13 €
06

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

16% Off

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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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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

7,52 € 8,99 €(16% Off off)
07

Mari & Juan

Mari & Juan Hemp Fertiliser 0.5 L - Cannabis Fertiliser for the Flowering Phase of Your Cannabis Plants | Mineral Fertiliser with NPK 4-6-8 + Trace Elements - Ideal for Bloom

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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

Versatile for all cultivation types - This mineral fertiliser cannabis is ideal as a hemp fertiliser outdoor and indoor, promotes flowering in autoflower and conventional varieties
Stable and durable plants - The high potassium content strengthens your cannabis plants and increases resistance, which is crucial especially in the flowering phase
Promotes full genetic potential - With this fertiliser for cannabis plants, growers unfold the full potential of their plants and achieve particularly high yields in the flowering period
Optimal nutrient combination - The hemp fertiliser with NPK value 10-4-6 + SP provides your plant ideally; nitrogen continues to promote plant growth, phosphorus ensures strong flower formation
High-quality flower fertiliser - This cannabis fertiliser is perfectly adapted to the needs of the flowering phase and supports flower growth through balanced nutrient supply

6,90 €
08

COMPO

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

48% Off

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8.3

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

Use from the flowering phase until 2 weeks before harvest
Organic special fertiliser for the flowering phase
Contains plant amino acids to strengthen plants
Balanced nutrient formula for intense bud and flower formation
100% natural, made from plant materials from the food industry as well as natural raw materials

4,63 € 8,99 €(48% Off off)
09

neverleaf

Neverleaf Sensei Miller, Organic Cannabis Liquid Fertiliser, 1 Litre

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8.1

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

SNOVATIVE REMOVING - Can be mixed and used as a foliar spray to absorb nutrients directly via the leaves - for an even faster effect. An essential plant accessory for optimal care.
Perfect for cultivation: high-quality grow fertiliser, ideal for all cannabis strains - tailor-made nutrient supply for the best possible results. Perfect addition for hobby growers and professionals with grow accessories or grow set.
Easy to use: liquid universal fertiliser based on molasses, specially developed for the growth and flowering phase - promotes strong growth and lush flowering. Ideal for those who rely on high-quality fertiliser for cannabis plants.
Easy to use and easy to use: with practical dosing lid and a bottle that is suitable for approx. 6 plants are enough - perfect for indoor and outdoor gardens.
100% organic green plant fertiliser from sustainable production is free from chemicals - for environmentally friendly and healthy plant care. Ideal for indoor and outdoor cultivation on cannabis soil.

12,99 €
10

BioBizz

Biobizz Try Pack Fertilizer

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8.0

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 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

14,28 €