Mairol

Rosenzauber – liquid fertilizer for roses Rosenzauber is a specialized liquid fertilizer designed to meet the specific needs of roses, both grown in the ground and in containers. Its formula supports plants throughout the growing season, from the period of vigorous shoot growth, through bud formation, to prolonged flowering. The fertilizer is intended for regular use in gardens, on terraces, and balconies where roses are exposed to variable environmental conditions. The product from the Mairol brand contains balanced proportions of macro- and micronutrients tailored to the needs of roses at different development stages. Regular fertilization promotes a healthy root system, stable shoot growth, and proper leaf and flower development. The use of micronutrients in chelated form allows effective uptake even in soils with limited nutrient availability. Composition and role of nutrients Nitrogen (N) 7% – supports shoot development and lush foliage, responsible for proper growth of the above-ground parts. Phosphorus (P) 5% – strengthens the root system and intensifies flower bud formation. Potassium (K) 5.5% – affects flower durability, plant strengthening, and resistance to environmental factors. Micronutrients – iron, manganese, and boron support balanced metabolism and enhance the coloration intensity of leaves and flowers. Chelated ingredients – ensure rapid and effective absorption of micronutrients. Use of Rosenzauber fertilizer bed roses, climbing roses, garden and potted roses. The fertilizer is especially recommended from the moment buds appear until the end of the flowering season. It can be used both in ground cultivation and in containers placed on terraces or balconies. Mode of action Rosenzauber works in multiple ways, strengthening the root system, which improves water and nutrient uptake. It supports shoot and leaf development, contributing to a compact and harmonious shrub shape. Regular use promotes more abundant and longer flowering and improves plant resistance to water stress, diseases, and temperature fluctuations. Dosage and application method dilute 2 ml of fertilizer in 1 l of water, apply every 7–10 days during the growing season (April–September), apply to slightly moist soil, store tightly closed, protecting from frost. Yield One bottle of Rosenzauber 1 l allows preparation of up to 500 l of fertilizer solution. This yield enables regular fertilization of many rose shrubs throughout the season, both in the garden and in container cultivation.

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Rhododendronwohl – liquid fertilizer for acid-loving plants Rhododendronwohl by Mairol is a liquid mineral fertilizer developed with the specific needs of acid-loving plants in mind, such as rhododendrons, azaleas, mountain laurels, hydrangeas, magnolias, heathers, and blueberries. These plants require precisely tailored fertilization that considers both their nutritional needs and sensitivity to soil conditions. The product supports stable growth, proper leaf development, and abundant flowering during the growing season. Mairol Rhododendronwohl fertilizer is designed as a solution for regular care of acid-loving plants, whether grown in the ground or in containers. The balanced formula of macro- and micronutrients helps maintain good plant health, improving their resistance to environmental stress and changing weather conditions. The liquid form of the fertilizer facilitates even nutrient delivery and rapid uptake by the root system. Composition and importance of nutrients Nitrogen (N) 3% – supports the development of green mass and overall plant growth. Phosphorus (P2O5) 2% – stimulates root system development and flowering processes. Potassium (K2O) 3% – improves plant resistance and shoot quality. Micronutrients – boron, copper, iron, manganese, molybdenum, and zinc in EDTA-chelated forms, essential for proper metabolic processes. Magnesium – strengthens plant structure and supports resistance to stress factors. The use of chelated micronutrients enables effective absorption even under conditions of limited nutrient availability in the substrate, which is especially important in the cultivation of acid-loving plants. Mode of action Rhododendronwohl provides plants with a balanced set of nutrients that promotes vigorous growth and healthy foliage. Regular fertilization supports abundant and long-lasting flowering and improves plant resistance to diseases and adverse weather conditions. The fertilizer also helps maintain good condition of shoots and leaves throughout the active growth period. Dosage and application method dilute 2 ml of fertilizer in 1 liter of water, apply once a week from March to July, shake well before use, after transplanting plants, wait about 2 weeks before starting fertilization. Yield One bottle of Rhododendronwohl 1 l allows preparation of up to 500 liters of fertilizer solution, enabling regular fertilization of acid-loving plants throughout the season with precise dosing.

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Mairol Growth Crystals – universal crystalline fertilizer NPK 14-12-14 + MgO Growth Crystals is a professional mineral fertilizer in the form of easily soluble crystals, developed by the brand :contentReference[oaicite:0]{index=0} for comprehensive care of houseplants, balcony plants, and garden plants. The concentrated formula provides plants with a precisely balanced set of nutrients essential during periods of intensive growth, supporting the development of green mass, root system, and overall vitality. Thanks to its crystalline form, the fertilizer dissolves completely in water without leaving residues, allowing very precise and safe dosing. Its high efficiency means that 1 kg of the product is enough to prepare up to 1000 liters of fertilizer solution, making it an economical solution for both hobbyists and more demanding users. The balanced formula NPK 14-12-14 + 2% MgO, enriched with chelated micronutrients and B vitamins, ensures rapid and effective nutrient uptake. The fertilizer is ideal as a starter treatment after repotting and as regular support for plants during the growing season. Composition and significance of ingredients Nitrogen (N) 14% [11% NH₄⁺, 3% NO₃⁻] – intensive shoot and leaf growth, Phosphorus (P₂O₅) 12% – root system development and flowering support, Potassium (K₂O) 14% – plant resistance and water regulation, Magnesium (MgO) 2% – chlorophyll synthesis, prevention of chlorosis, Chelated micronutrients (EDTA): Fe, B, Cu, Mn, Mo, Zn – proper metabolism and intense leaf coloration, Vitamins B1, B2, B6, B7 (biotin) – support for plant growth and resistance. Usage The fertilizer is intended for: green and flowering houseplants, balcony and terrace plants, vegetables, fruits, perennials, and ornamental shrubs, annual and perennial plants. Recommended for use from March to October, especially during periods of intensive growth and after repotting. Application method Dissolve 1 g of fertilizer in 1 liter of water (measuring scoop included), apply every 7 days to slightly moist substrate, first fertilization about 2 weeks after repotting, foliar application also possible after appropriate dilution. Efficiency and product information Efficiency: up to 1000 liters of fertilizer solution Form: crystalline fertilizer, fully soluble Purpose: universal – houseplants, balcony, and garden plants Mairol Growth Crystals is an efficient, precise, and versatile premium-class fertilizer that ensures intensive growth, healthy leaves, and long-lasting condition throughout the growing season.

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Mairol Hydropflege – specialized hydroponic fertilizer NPK 6-4.5-5 Hydropflege by :contentReference[oaicite:0]{index=0} is a professional, liquid fertilizer specially developed for the care of plants grown hydroponically, that is, without soil. Thanks to its precisely balanced formula, it provides all the essential nutrients in a form perfectly absorbable by the root system submerged in water or a moist medium. In soilless cultivation, proper fertilization is crucial – Hydropflege ensures healthy growth, intensely green leaves, and high plant resistance to stress caused by the specifics of hydroponics. The product is suitable for both home conditions and professional hydroponic installations. Composition and effects Nitrogen (N) 6% – 1.5% ammonium, 3% urea, 1.5% nitrate – promotes even growth of leaves and shoots, Phosphorus (P₂O₅) 4.5% – supports root system development and plant vitality, Potassium (K₂O) 5% – enhances resistance and proper water management, Magnesium (MgO) 0.1% – chlorophyll synthesis and intense leaf greenness, Chelated micronutrients (EDTA): boron (0.02%), copper (0.005%), iron (0.11%), manganese (0.02%), molybdenum (0.001%), zinc (0.002%). Chelated micronutrients ensure rapid and effective nutrient uptake in the aquatic environment, preventing chlorosis and deficiency symptoms. Usage Hydropflege fertilizer is intended for plants grown hydroponically, such as ficus, peace lilies, dracaenas, marantas, palms, philodendrons, and monsteras. Ideal wherever roots develop in water or a constantly moist substrate. How to use Shake well before use, Dilute 2 ml of fertilizer in 2 liters of water (ratio 1:1000), Apply every other time or with each watering, Recommended to start fertilizing about the 4th week after placing the plant in the hydroponic system. Efficiency and benefits Efficiency: 1 liter of fertilizer = up to 1000 liters of solution, Precise NPK formula tailored for hydroponics, Chelated micronutrients and magnesium – prevent deficiencies, Turbo-active effect – fast results without nutrient loss, Versatility – can also be applied as a foliar spray. Mairol Hydropflege is a reliable choice for anyone growing plants without soil who expects maximum control over nutrition, healthy growth, and intense greenery throughout the season.

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Geranienglanz 1 L – liquid mineral fertilizer for geraniums and balcony plants Geranienglanz 1 L is a concentrated, mineral liquid fertilizer designed for the systematic care of geraniums, surfinias, fuchsias, and other balcony plants with high nutritional needs. The product was developed by the German manufacturer Mairol to promote intense and long-lasting flowering, as well as to maintain healthy, compact foliage throughout the growing season. The fertilizer formula is based on a precisely balanced ratio of nutrients NPK 3-7-10, supplemented with a set of micronutrients in chelated form. This combination ensures fast and effective nutrient uptake both through the root system and the leaves. The fertilizer can be used from April to October, after the plants have adapted following planting or repotting. Composition and role of ingredients Nitrogen (N) – 3% – in ammonium (0.8%), urea (1.5%), and nitrate (0.8%) forms, supports leaf and shoot development. Phosphorus (P2O5) – 7% – responsible for root system development and bud formation. Potassium (K2O) – 10% – influences the intensity and durability of flowering and plant resistance. Chelated micronutrients – boron (B), copper (Cu), iron (Fe), manganese (Mn), molybdenum (Mo), and zinc (Zn) support plant metabolism and proper physiological processes. The use of chelates allows for rapid availability of micronutrients, even under conditions of limited nutrient availability in the substrate. Usage geraniums, surfinias, fuchsias, other flowering balcony plants. The fertilizer is intended for container cultivation on balconies and terraces, as well as other conditions where plants require regular and intensive feeding. Mode of action Geranienglanz provides a balanced set of nutrients that promotes intense and prolonged flowering, supports the development of strong shoots, and maintains healthy leaves. Regular fertilization also improves plant resistance to stress caused by temperature and humidity fluctuations. How to use shake the bottle before use, dilute 2 ml of fertilizer in 1 L of water (20 ml per 10 L), apply every 7–14 days, starting at least 2 weeks after planting, apply by watering or foliar spray, in the morning or evening. Yield One package of Geranienglanz 1 L allows you to prepare up to 500 L of fertilizer solution, enabling regular feeding of balcony plants throughout the season – from spring to autumn.

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Hortensienvital – liquid fertilizer for hydrangeas Hortensienvital is a liquid fertilizer specially developed to meet the needs of hydrangeas grown both in the ground and in containers. Its formula is tailored to the requirements of these plants during periods of intense growth and flowering, supporting root system development, stable shoot growth, and maintaining healthy, firm leaves. Regular use of the fertilizer helps keep plants in good condition from spring until the end of the growing season. Hortensienvital by Mairol combines carefully selected mineral ingredients and micronutrients that address the needs of hydrangeas at various stages of development. The product can be used from the appearance of buds until the end of flowering, helping maintain lush flower clusters and stable plant vitality. Systematic fertilization improves the overall condition of hydrangeas and their resistance to changing weather conditions. Composition and role of nutrients Nitrogen (N) 7% – supports leaf and shoot growth, influencing the proper development of the above-ground parts of the plants. Phosphorus (P) 3.5% – strengthens the root system and stimulates flower bud development. Potassium (K) 4% – increases plant resistance and enhances flower color intensity. Micronutrients – including iron, manganese, and boron, support metabolic processes and overall vitality of hydrangeas. Trace elements in chelated form – ensure fast and effective absorption of micronutrients. The use of micronutrients in chelated form facilitates their uptake even in less favorable soil conditions, promoting even nourishment of the plants. Use of Hortensienvital fertilizer hydrangeas of all species, including garden, panicle, and serrated hydrangeas, plants grown in pots and balcony boxes, hydrangeas growing in home gardens. The fertilizer is intended for use from spring until the end of flowering, supporting plants throughout the period of intensive growth. Mode of action Hortensienvital strengthens the root system, improving water and nutrient uptake. Regular fertilization helps extend flowering and increases flower color intensity. The product also improves leaf turgor, making plants more resistant to occasional drought and stress caused by weather changes. Dosage and application method dilute 2 ml of fertilizer in 1 l of water, apply every 7–10 days during the growing season (spring–autumn), apply to moist soil, after flowering ends, the frequency of fertilization can be reduced. Yield One bottle of Hortensienvital 1 l allows preparation of up to 500 l of fertilizer solution, enabling regular fertilization of hydrangeas throughout the season – from spring to autumn.

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Bonsaifreude 500 ml – liquid mineral fertilizer for bonsai trees Bonsaifreude 500 ml by Mairol is a specialized liquid mineral fertilizer designed specifically for the unique needs of bonsai plants. Due to the limited soil volume and regular pruning, these trees require precisely tailored fertilization that supports stable growth, healthy foliage, and good condition throughout the growing season. The fertilizer formula is adapted for long-term and safe care of bonsai grown both indoors and outdoors. Mairol Bonsaifreude provides plants with essential macro- and micronutrients in an easily absorbable form. Regular use of the fertilizer promotes the development of green mass, improves shoot quality, and increases the plants’ resistance to environmental stress. Thanks to its liquid form, nutrients are quickly available to the root system, which is especially important for bonsai grown in shallow containers. Composition and importance of nutrients Nitrogen (N) 3% – in ammonium (1.1%), urea (1.3%), and nitrate (0.6%) forms; supports green mass development and overall plant growth. Phosphorus (P2O5) 7% – stimulates root system development and supports flowering. Potassium (K2O) 5% – improves plant resistance and affects the quality and durability of shoots. Micronutrients – boron (0.02%), copper (0.005%), iron (0.11%), manganese (0.02%), molybdenum (0.001%), and zinc (0.002%) in EDTA-chelated forms, essential for proper metabolic processes. The use of micronutrients in chelated form allows for their rapid and effective uptake, even under conditions of limited nutrient availability in the substrate. Mode of action Thanks to its balanced formula, the fertilizer promotes even plant growth, improves leaf condition, and supports the development of new shoots. Regular fertilization also increases bonsai resistance to diseases and adverse weather conditions. The result is healthier-looking plants and better control of their development over the long term. Dosage and application dilute 2 ml of fertilizer in 1 liter of water, apply once a week from May to October, shake the bottle well before use, wait about 2 weeks after repotting before starting fertilization. Yield One bottle of Bonsaifreude 500 ml allows you to prepare up to 250 liters of fertilizer solution, providing regular and long-lasting fertilization of bonsai throughout the growing season.

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Bonsaifreude 500 ml – liquid mineral fertilizer for bonsai trees Bonsaifreude 500 ml by Mairol is a specialized liquid mineral fertilizer designed for the specific needs of bonsai plants. These trees, due to the limited volume of soil and regular pruning, require precisely tailored fertilization that supports stable growth, healthy foliage, and good condition throughout the growing season. The fertilizer formula is adapted for long-term and safe care of bonsai grown both indoors and outdoors. Mairol Bonsaifreude provides plants with essential macro- and micronutrients in an easily absorbable form. Regular use of the fertilizer supports the development of green mass, improves shoot quality, and increases plant resistance to environmental stress. Thanks to its liquid form, nutrients are quickly available to the root system, which is especially important for bonsai grown in shallow containers. Composition and importance of nutrients Nitrogen (N) 3% – in ammonium (1.1%), urea (1.3%), and nitrate (0.6%) forms; supports green mass development and overall plant growth. Phosphorus (P2O5) 7% – stimulates root system development and supports flowering. Potassium (K2O) 5% – improves plant resistance and affects the quality and durability of shoots. Micronutrients – boron (0.02%), copper (0.005%), iron (0.11%), manganese (0.02%), molybdenum (0.001%), and zinc (0.002%) in EDTA-chelated forms, essential for proper metabolic processes. The use of micronutrients in chelated form allows for their rapid and effective uptake, even under conditions of limited nutrient availability in the substrate. Mode of action Thanks to its balanced formula, the fertilizer promotes even plant growth, improves leaf condition, and supports the development of new shoots. Regular fertilization also increases bonsai resistance to diseases and adverse weather conditions. The result is healthier-looking plants and better control of their development over the long term. Dosage and application method dilute 2 ml of fertilizer in 1 l of water, apply once a week from May to October, shake the bottle well before use, wait about 2 weeks after repotting before starting fertilization. Yield One bottle of Bonsaifreude 500 ml allows preparation of up to 250 l of fertilizer solution, providing regular and long-lasting fertilization of bonsai throughout the growing season.

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Citrusenergie – liquid mineral fertilizer for citrus plants Citrusenergie by Mairol is a specialized liquid mineral fertilizer designed for the care of citrus plants such as lemons, oranges, mandarins, and kumquats. The product formula has been developed with the specific needs of this group of plants in mind, which are often grown in containers and require regular, precise nutrient supply. The fertilizer supports stable growth, proper leaf development, and the flowering and fruiting process during the growing season. Mairol Citrusenergie provides plants with a carefully balanced set of macro- and micronutrients tailored to their needs during periods of intensive growth and fruit formation. The liquid form of the fertilizer allows for even distribution of nutrients in the substrate and their rapid uptake by the root system. Regular use helps maintain good plant condition, healthy foliage, and stable vitality. Composition and importance of nutrients Nitrogen (N) 9% – in forms: ammonium (2.2%), urea (4.5%), and nitrate (2.2%); supports the development of green mass and overall plant growth. Phosphorus (P2O5) 3.5% – stimulates root system development and flowering. Potassium (K2O) 4% – affects plant resistance as well as fruit quality and development. Micronutrients – boron (0.02%), copper (0.005%), iron (0.11%), manganese (0.02%), molybdenum (0.001%), and zinc (0.002%) in EDTA-chelated forms, essential for proper metabolic processes. The use of micronutrients in chelated form allows for effective absorption even under conditions of limited nutrient availability in the substrate, which is especially important in container cultivation of citrus plants. Mode of action Citrusenergie supports uniform plant growth, promotes intensive flowering, and proper fruit development. Regular fertilization improves leaf condition, increases resistance to environmental stress, and maintains stable plant vitality throughout the season. The product also helps reduce symptoms of nutrient deficiencies typical for citrus grown in pots. Dosage and application method dilute 4 ml of fertilizer in 1 liter of water, apply once a week from March to August, shake well before use, wait about 2 weeks after repotting before starting fertilization. Yield One bottle of Citrusenergie 1 l allows preparation of up to 250 liters of fertilizer solution, enabling regular and long-term fertilization of citrus plants with precise dosing.

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