Best Madame Grow 420 2025

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Last Updated - 09/06/2025

Best Choice

01

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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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

Super concentrated: our products are super concentrated. This gives you excellent performance and a natural shape while improving quantity and flavour with a very low dosage.
SAVE: Take advantage of this great deal and save up to 59 when buying the entire range of organic premium fertilisers from Madame Grow.
Root and growth, nutrition, flower induction, flowering and outbreaks, all the food and energy for your plants, with the highest prevention and protection.
Natural: 100% organic products that have been developed, manufactured and tested exclusively for cultivation and guarantee professional results.
FULL KIT: It covers all the needs of your plant, from germination to a guaranteed rich harvest with large, fat buds and impeccable taste.

99,99 €
02

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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9.7

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

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.

44,99 €
Value for Money

03

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 BASIC 3 x

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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.
Stronger and more resistant plants: our Kit Basic 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.

35,99 €
04

MADAME GROW

MADAME GROW Fertiliser 420 Green Plants, Fertiliser for Green Plants, Liquid Fertiliser for Plants, Universal Fertiliser for Growth, Fertiliser for Flowering Plants, Aromatic Fruits (KIT KINGSTONE 3 x

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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

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.

39,99 €
05

MADAME GROW

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

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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

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.

16,99 €
06

MADAME GROW

MADAME GROW Fertiliser 420 Green Plants, Fertiliser for Green Plants, Liquid Fertiliser for Plants, Universal Fertiliser for Growth, Fertiliser for Flowering Plants, Aromatic Fruits (Kit Nutrition 3 x

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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.

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 nutrition 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.

36,12 €
07

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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15% Off
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

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.

29,57 € 34,99 €(15% Off off)
08

MADAME GROW

MADAME GROW - Organic Fertiliser - Especially for Plants 420 - Special Deficiency - (250 ml) (Manganese Deficiency)

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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

Zinc City for zinc deficiency.
Silicone valley for silicone deficiency.
Mazinger for zinc and manganese deficiency.
Cooperfield in case of a lack of copper.
Cala Paradise for calcium deficiencies
Bora Bora for Bore defects

29,69 €
09

MADAME GROW

MADAME GROW Fertiliser 420 Green Plants, Fertiliser for Green Plants, Liquid Fertiliser for Plants, Universal Fertiliser for Growth, Fertiliser for Flowering Plants, Aromatic Fruits (KIT ENJOY 3 x 250

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36% Off
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.

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.
Ultra 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, adapted to the needs of your plants in the substrate, both indoors and outdoors.
Stronger and more resistant plants: our Kit Enjoy 3 x 250 ml is a universal liquid fertiliser with calcium and magnesium and a balanced NPK formula, ideal for plants indoors and outdoors. 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 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 durable solution for caring for your plants, promotes healthy growth and vigorous flowering.
Healthy growth and excellent flowering: organic fertiliser, 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 stems and leaves as well as lush flowering. Perfect for improving chlorophyll levels and supporting flowering when growing green plants.

26,58 € 41,99 €(36% Off off)
10

MADAME GROW

MADAME GROW Fertiliser/Plant Nutrients 420/Caribbean Algae/Preserve Microbial and Fertile Algae-Based Soil (Caribbean Algae 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

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

34,99 €