Best Madame Grow 420 2026

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Last Updated - 22.07.2026

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01

MADAME GROW

MADAME GROW - Organischer Blütendünger - KIT RED ANVIL MG - 3er Pack (3 x 1 l)

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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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WARRANTY If the size is not correct or if you decide this product is not suitable, you will receive a full refund within the first 30 days. At Madame Grow we are always at your disposal for professional customer service.
Stronger and more resistant plants: this is a universal liquid fertiliser with calcium and magnesium and a balanced NPK formula, ideal for indoor and outdoor plants. Strengthens and improves the resistance of your plants from the first use, especially useful for therapeutic and aromatic plants. Designed to compensate for nutrient deficiencies and meet the needs of your 420 crops, it promotes vigorous and healthy growth in both soil and pot.
Quality and efficiency guaranteed: high-quality organic liquid fertiliser with calcium and magnesium, is subject to strict quality controls. 500ml bottle, sufficient to supply your plants for several months, prevent nutrient deficiencies and provide an effective and long-lasting solution for caring for your plants, promotes healthy growth and robust flowering.
Highly concentrated formula and easy to use: practical application once a week from March to October and once a month from November to February. Recommended dosage: 2-4 ml per litre of water. Ideal for ensuring a constant and precise supply of nutrients that adapt to the needs of your plants in the substrate, both indoors and outdoors.
HEALTHY GROWTH AND EXCELLENT FLOWERING: Our Kit Red Anvil 3 x 1L is an organic fertilizer, rich in nutrients, including calcium and magnesium, which stimulates the metabolism of plants and improves the quality of fruits and flowers. Ideal for promoting optimal development of stems and leaves as well as lush flowering. Perfect for improving chlorophyll levels and supporting flowering when growing green plants.

112,99 €
02

MADAME GROW

MADAME GROW - Pflanzendünger - Pflanzendünger - Wachstums- und Blühdünger - GROWTH BASIC KIT (3x1L)

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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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100% organic and natural products, no chemicals or additives, explosive results in a completely natural way.
Save with this kit and discover that optimising your results with Madame Grow is always possible.
Perfectly cover soil nutrition and microbial environment as well as nutrient and energy supply with Sweet Lolita Soil, ensure best roots and growth with Growth Accelerator and finally achieve spectacular flowering with Jamaican Bloom 28-25.
Get your Growth Basic Kit, all basic products from Madame Grow, to grow your 420 plants. Growth and flowering
All the micro and macronutrients you need to comfortably supply your 420 culture from start to finish without making life difficult for you to achieve fantastic results.

84,99 €
03

MADAME GROW

MADAME GROW Fertiliser 420 - Universal Fertiliser for Green Plants - Liquid Fertiliser for Growth and Flowering - Aromatic Fruits (Kit Kingstone 3 x 250 ml)

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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

WARRANTY: If the size is not correct or you decide this product is not suitable, you will receive a full refund within the first 30 days. At Madame Grow, we are always at your disposal to provide you with professional customer service.
Quality and efficiency guaranteed: high-quality organic liquid fertiliser with calcium and magnesium, is subject to strict quality controls. 500ml bottle, sufficient to nourish your plants for several months, prevent nutrient deficiencies and provide an effective and long-lasting solution for caring for your plants that promotes healthy growth and robust flowering.
Make plants stronger and more resistant: is a universal liquid fertiliser with calcium and magnesium and a balanced NPK formula, ideal for plants indoors and outdoors. It strengthens and improves the resistance of your plants from the first use, especially useful for therapeutic and aromatic plants. Designed to correct nutrient deficiencies and meet the needs of your 420 crops, it promotes vigorous and healthy growth in both soil and pots.
Highly effective formula and easy to use: practical application once a week from March to October and once a month from November to February. Recommended dosage: 2-4 ml per litre of water. Ideal for ensuring a constant and precise nutrition that adapts to the needs of your plants in the substrate, both indoors and outdoors.
Healthy growth and excellent flowering: our Kit Kingston 3 x 250 ml organic fertiliser, rich in nutrients, including calcium and magnesium, which stimulates plant metabolism and improves the quality of fruits and buds. Ideal for promoting optimal development of the stem and leaves as well as lush flowering. Perfect for enhancing chlorophyll and helping flower formation in the cultivation of green plants.

20,70 €
Value for Money

04

MADAME GROW

MADAME GROW - Fertilizantes orgánicos - Fertilizantes de floración - PK Floración y Engorde de Cogollos - Grandes Cogollos - Flower Kit 2 Pack- 2x250ml

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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

The combination of these two products allows your plants to grow naturally and naturally, growing quickly and in the best conditions to harvest the best crops.
Save with the DUOPACK FLOWER and get spectacular 420 plants, induce, stimulate and pontencia the flowering to then fatten the flowers in a bestial way
Jamaican Bloom 28-25. This recipe has been developed and optimised with a high content of phosphorus, potassium and bio-encapsulated molybdenum, which improves and increases flowering. This favors the formation of fruits, flowers or buds and a higher concentration of resin and heavier fruits.
BAZOOKA BLOOM K30 Get acidified and secret ingredients developed by MADAME GROW with this recipe Superconcentrada from Bioencapsulado from potassium K30.
100% organic and natural products without chemicals or additives guarantee in a completely natural way.

22,15 €
05

MADAME GROW

MADAME GROW Kit 420 Power/Tripack/Fertiliser or Special Fertiliser/Marijuana or Cannabis/Power for Your Plants (3 x 250 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.

Show more
Main highlights

WARRANTY: If the size is not correct or you decide this product is not suitable, you will receive a full refund within the first 30 days. At Madame Grow, we are always at your disposal to provide you with professional customer service.
Quality and efficiency guaranteed: high-quality organic liquid fertiliser with calcium and magnesium, is subject to strict quality controls. 500ml bottle, sufficient to nourish your plants for several months, prevent nutrient deficiencies and provide an effective and long-lasting solution for caring for your plants that promotes healthy growth and robust flowering.
Make plants stronger and more resistant: is a universal liquid fertiliser with calcium and magnesium and a balanced NPK formula, ideal for plants indoors and outdoors. It strengthens and improves the resistance of your plants from the first use, especially useful for therapeutic and aromatic plants. Designed to correct nutrient deficiencies and meet the needs of your 420 crops, it promotes vigorous and healthy growth in both soil and pots.
Highly effective formula and easy to use: practical application once a week from March to October and once a month from November to February. Recommended dosage: 2-4 ml per litre of water. Ideal for ensuring a constant and precise nutrition that adapts to the needs of your plants in the substrate, both indoors and outdoors.
Healthy growth and excellent flowering: our Kit Power 420 3 x 250 ml organic fertiliser, rich in nutrients, including calcium and magnesium, which stimulates plant metabolism and improves the quality of fruits and buds. Ideal for promoting optimal development of the stem and leaves as well as lush flowering. Perfect for enhancing chlorophyll and helping flower formation in the cultivation of green plants.

37,22 €
06

MADAME GROW

Lacalva St Super Antistress-Dünger und für Zyklusänderungen, ausgewogene NPK plus bioverkapseltes Mangan (250 ml)

30% Off

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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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Main highlights

STRESS TREATMENT: It is an NPK balanced formula with a high content of amino acids, bio-encapsulated manganese and secret ingredients recommended for stressful times.
SUPER CONCENTRATED IN NPK 5-3-4: Root and leaf application, 2 to 4 ml per litre of water, with every change of growth phase, at flowering and at the beginning of the feed. Up to 125 litres of irrigation with 250 ml.
Use: its use is recommended during phase changes, as well as in case of nutrient deficiency or when the plant suffers an attack, specially developed by Madame Grow to meet the most urgent needs.
Protection: use the nutrient needs of your plants at the top, strengthen them and protect them from any need or attack.
Amino acids: the high concentration of amino acids will cause your plant to reach the end of the cycle with all the strength and protection it needs to achieve a fruitful harvest.

11,97 € 16,99 €(30% Off off)
07

MADAME GROW

MADAME GROW Algae Fertiliser - Fertiliser - Plant Nutrients 420 - Caribbean Algae - Burst - Cannabis - Fertiliser - Flower - Cannabis - Flower Promoter - Liquid - Enrich (Caribbean Algae 500 ml)

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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

WARRANTY : If the size is not correct or if you decide this product is not suitable, you will receive a full refund within the first 30 days. At Madame Growe we are always at your disposal for professional customer service
Recommended for the last bloom: use this organic fertiliser in the final flowering phase to promote the development of the flowers. Consult the Madame Grow watering charts to apply the liquid fertiliser precisely
RESULTS GUARANTEED BY VEGETAL BIOPLANT: Our super concentrated formula is guaranteed by the laboratories of Vegetal Bioplant. Ensures effective nutrition for thickening and achieves a rich and high-quality harvest
Improves the taste and quality of the harvest: liquid fertiliser with secret ingredients from Madame Grow, which improves the taste and quality of your flowers. Perfect for the flowering phase, achieves surprising results with blooms that burst with resin
Extra strong cocaine with microbial and nutrient-rich soil from algae: MADAME GROW Caribbean Algae, 1 litre. Reach exploding flowers with our super concentrated flower enhancer, which contains natural algae. Ideal for marijuana, maximizes resin production and allows flowers to increase in size and weight

28,99 €
08

MADAME GROW

MADAME GROW Fertiliser 420 Green Plants - Fertiliser for Green Plants - Liquid Fertiliser for Plants - Universal Growth Fertiliser - Flowering Fertiliser for Plants - Aromatic Fruits (KIT BUTTERFLY 3 x 250 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.

Show more
Main highlights

WARRANTY: If the size is not correct or you decide this product is not suitable, you will receive a full refund within the first 30 days. At Madame Grow we are always at your disposal to provide you with professional customer service.
Stronger and more resistant plants: our kit butterfly 3 x 250 ml is a universal liquid fertiliser with calcium and magnesium and a balanced NPK formula, ideal for indoor and outdoor plants. Strengthens and improves the resistance of your plants from the first use, especially useful for therapeutic and aromatic plants. Designed to address nutrient deficiencies and meet the needs of your 420 crops, it promotes vigorous and healthy growth in soil and planters.
Quality and efficiency guaranteed: high-quality organic liquid fertiliser with calcium and magnesium, which has undergone strict quality controls. 500ml bottle, sufficient to nourish your plants for several months, prevent nutrient deficiencies and provide an effective and durable plant care solution that promotes healthy growth and robust flowering.
Highly concentrated formula and easy to use: practical application once a week from March to October and once a month from November to February. Recommended dosage: 2-4 ml per litre of water. Ideal for ensuring a constant and precise nutrient supply that meets the needs of your plants in the substrate, both indoors and outdoors.
HEALTHY GROWTH AND EXCELLENT FLOWER: Organic fertilizer, rich in nutrients, including calcium and magnesium, which stimulates the metabolism of plants and improves the quality of fruits and buds. Ideal for promoting optimal development of stem and leaf as well as abundant flowering. Perfect for enhancing chlorophyll production and supporting flowering in green plants.

21,38 €
09

MADAME GROW

MADAME GROW Fertiliser 420 - Universal Fertiliser for Green Plants - Liquid Fertiliser for Growth and Flowering - Aromatic Fruits (KIT KAMALA 3 x 250 ml)

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8.5

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

WARRANTY: If the size is not correct or you decide this product is not suitable, you will receive a full refund within the first 30 days. At Madame Grow, we are always at your disposal to provide you with professional customer service.
Quality and efficiency guaranteed: high-quality organic liquid fertiliser with calcium and magnesium, is subject to strict quality controls. 500ml bottle, sufficient to nourish your plants for several months, prevent nutrient deficiencies and provide an effective and long-lasting solution for caring for your plants that promotes healthy growth and robust flowering.
Make plants stronger and more resistant: our Kit Kamala 3 x 250 ml is a universal liquid fertiliser with calcium and magnesium and a balanced NPK formula, ideal for plants indoors and outdoors. It strengthens and improves the resistance of your plants from the first use, especially useful for therapeutic and aromatic plants. Designed to correct nutrient deficiencies and meet the needs of your 420 crops, it promotes vigorous and healthy growth in both soil and pots.
Highly effective formula and easy to use: practical application once a week from March to October and once a month from November to February. Recommended dosage: 2-4 ml per litre of water. Ideal for ensuring a constant and precise nutrition that adapts to the needs of your plants in the substrate, both indoors and outdoors.
Healthy growth and excellent flowering: organic fertiliser, rich in nutrients, including calcium and magnesium, which stimulates plant metabolism and improves the quality of fruits and buds. Ideal for promoting optimal development of the stem and leaves as well as lush flowering. Perfect for enhancing chlorophyll and helping flower formation in the cultivation of green plants.

25,41 €
10

MADAME GROW

Madame Grow - Premium 7 Pack Kit - Get the Complete Range of the Best Organic Fertilisers for the Entire Cycle of Your Plant - (6 x 250 ml + 30 g)

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8.4

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

Root and growth, nutrition, trigger of flowering, bloom and bloom blast. All this provides all plants with food and energy with the greatest prevention and maximum protection as well as specific products for each stage of development of your plant
Our products are super concentrates, so you can get the best harvest with very low doses for your plant, our query tables dispense and feel free to contact us if you have any questions.
From growth to flowering to harvest
Cover the entire reach of your 420 plant with Madame Grow natural fertilizers
100% organic products that have been designed, manufactured and tested exclusively for your plants, higher performance, better quality, fullness, all without chemicals or additives or traces if you want to consume them

60,41 €