14 Best Foliar Fertilizer for 2024

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Are you on the hunt for the best foliar fertilizer in the market for the year 2023? Look no further! In this article, we will dive into the top 14 foliar fertilizers that are poised to revolutionize plant growth and nutrient uptake. Whether you are an avid gardener, a professional farmer, or simply someone who wants to ensure their plants flourish, these carefully selected foliar fertilizers are sure to meet your specific needs. With their unique formulations and cutting-edge ingredients, these products have earned their spot on our list as the 14 best foliar fertilizers for 2023. Discover the transformative power of these fertilizers and take your gardening or farming experience to new heights.

GREEN24 Hoya Liquid Fertilizer for Professional Plant Care

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Overall Score: 9.5/10

The Hoya Plant Food is a liquid fertilizer designed specifically for Hoya plants. It belongs to the latest generation of fertilizers and promotes healthy and vibrant green leaves, stable branches, strong formation, balanced rooting, and beautiful flowers. With rapid effects, it can be administered through the roots or as a foliar spray. The 250 ml bottle works as an economical concentrate and offers simple dosage with the help of the cap. Developed by experienced gardeners, this fertilizer is based on current knowledge in the field of propagation and cultivation of plants. Overall, it is a great option for Hoya plant enthusiasts.

The Hoya Plant Food is a reliable and effective liquid fertilizer for Hoya plants. With its ability to promote healthy growth, vibrant foliage, and beautiful blooms, it is a must-have for any Hoya plant enthusiast. The rapid effects and versatile application methods make it convenient to use, and the economical concentrate ensures long-lasting use. The clear instructions and simple dosage further add to its user-friendliness. The only downside is that it ships from Germany, which may result in longer delivery times. However, the quality of the product makes it worth the wait. Overall, the Hoya Plant Food is a top choice for anyone looking to enhance the growth and vitality of their Hoya plants.

Organic SuperGreen Kelp Foliar Spray for Plants by Bloom City, Quart (32 oz)

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Overall Score: 8.5/10

The Organic SuperGreen Kelp Foliar Spray by Bloom City is a high-quality, 100% organic plant foliar spray that helps plants grow lush and green. Loaded with kelp, magnesium, fulvic acid, and trace micronutrients, this spray is packed with vitamins, minerals, and plant growth hormones to supercharge your plant's nutrition. It can be used on houseplants, greenhouse plants, and outdoor plants, making it versatile for any type of gardener. Bloom City takes pride in using the highest quality ingredients and methods to create the best craft growing nutrient systems. This quart-sized spray bottle is formulated and made in the USA by botanists and plant chemists in Seattle, Washington.

The Organic SuperGreen Kelp Foliar Spray by Bloom City is a top-notch choice for any conscientious gardener. With its organic formulation and high levels of nutrients, this spray provides noticeable effects and promotes vibrant plant growth. While there have been a few instances of missing sprayers and limited use during rainy weather, the overall effectiveness of the product has received positive reviews. Designed by experts and made with the highest quality ingredients, this foliar spray is a reliable and valuable addition to any plant care routine.

216Grow Nutrient Concentrate for Structural & Foliar Growth

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Overall Score: 8/10

Natural Hydroponics 216Grow Nutrient Concentrate is a specialized liquid fertilizer designed to promote vigorous structural and foliar growth in plants. With a guaranteed analysis of 2% Nitrogen, 1% Phosphorus, and 6% Potassium, it provides the necessary nutrients for rapid plant activity. Derived from highly purified ingredients, including Magnesium, and concentrated to ensure consistent availability, 216Grow is ideal for hydroponic applications, as well as soil, coco coir, and other growing media. It is part of the Natural Hydroponics Professional Nutrient System, which offers liquid fertilizer concentrates targeting each phase of a plant's life cycle.

Natural Hydroponics 216Grow Nutrient Concentrate is a high-quality liquid fertilizer that provides specialized nutrients for structural and foliar growth in plants. With its concentrated formula and inclusion in the Professional Nutrient System, it offers versatility and effectiveness for growers. The positive customer reviews indicate its effectiveness in promoting plant growth and ease of use. However, it may not be suitable for all plant varieties, so it’s important to consider individual needs. Overall, this nutrient concentrate is a reliable choice for those looking to enhance their plant growth capabilities.

Organic Foliar Spray for Accelerated Plant Growth

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Overall Score: 8.2/10

FOOP Mist Ready to Use is an organic foliar spray that accelerates plant growth and reduces plant stress. It delivers a broad spectrum of nutrients, including nitrogen, calcium, kelp, aloe vera, and organic rooting hormone, directly to the leaves of plants. This promotes photosynthesis and corrects nutrient deficiencies, allowing sick plants to heal quickly and healthy plants to thrive. The spray is particularly crucial for baby plants such as clones and seedlings with underdeveloped root systems. With a convenient 32oz spray bottle, it is ready to use with no mixing required, making it perfect for home growers.

Overall, FOOP Mist Ready to Use is a great organic foliar spray that effectively accelerates plant growth and reduces plant stress. It delivers a wide range of nutrients directly to plant leaves, promoting photosynthesis and correcting nutrient deficiencies. This is especially beneficial for baby plants with underdeveloped root systems. The convenient ready-to-use spray bottle makes it easy for home growers to use without any mixing required. While there have been some complaints about the compatibility with rock wool seed/propagating root developer and minor leaking from the sprayer mechanism, the overall effectiveness of the product outweighs these issues. If you’re looking for a reliable foliar spray to boost your plant’s health and growth, FOOP Mist Ready to Use is definitely worth considering.

Passiflora Liquid Fertilizer – Professional NPK Fertilizer for Passion Flowers

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Overall Score: 9/10

Achieve healthy and vibrant Passiflora plants with Passiflora Liquid Fertilizer. This professional-grade fertilizer is specially designed for Passiflora, including passion flowers, passion vines, Purple Granadilla, and Passion-Fruit Plants. Made in Germany, this high-tech NPK fertilizer promotes healthy leaf growth, strong formation, balanced root development, and stunning flowers and fruits. With rapid effects, you can administer it through roots or as a foliar fertilizer. The 250ml bottle is an economical concentrate, providing enough fertilizer for 60-125 liters of ready-to-use liquid fertilizer. The GREEN24 PROFI LINE fertilizers are developed and produced by experienced gardeners, ensuring the best propagation and cultivation of plants.

Passiflora Liquid Fertilizer is an excellent choice for any Passiflora enthusiast. With its professional-grade formula, it ensures healthy and radiant plants from leaves to fruits. Its rapid effects and versatile application make it convenient for gardeners. The economical concentrate offers a long-lasting supply of liquid fertilizer. Although the lack of specifications is a drawback, the product’s benefits outweigh this minor limitation. Experience the results of German expertise in plant propagation and cultivation with the GREEN24 PROFI LINE. Overall, Passiflora Liquid Fertilizer is a reliable option for passionate gardeners.

Grasshopper Foliar Fertilizer

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Overall Score: 7.5/10

The Grasshopper 19-19-19 Foliar Fertilizer is a water-soluble fertilizer that mixes instantly in water. It is active immediately without rain and is blended with micro-nutrients and bio-stimulants. This fertilizer is suitable for pastures, crops, yards, and gardens. With 1 bag treating 1-2 acres, it provides a convenient solution for fertilizing large areas. The Grasshopper 19-19-19 Foliar Fertilizer is designed to improve the nutrient content of your plants, resulting in healthier and greener growth. While some users have reported minimal effects, others have found it to be a great product that is easy to use and provides good value. However, there have been a few complaints about the product not dissolving properly and clogging spray nozzles. Overall, this foliar fertilizer offers a practical and efficient way to nourish your plants and achieve vibrant and flourishing landscapes.

The Grasshopper 19-19-19 Foliar Fertilizer offers a convenient and efficient solution for fertilizing your plants. While it may not work as effectively for everyone, many users have found it to be a great product that provides good value. It eliminates the need for carrying heavy bags of fertilizer, waiting for rain, or removing livestock from the area. The fertilizer’s water-soluble nature and inclusion of micro-nutrients and bio-stimulants make it an ideal choice for promoting healthier and greener growth. However, there have been some complaints about the product’s ability to dissolve properly and clogging spray nozzles. Overall, this foliar fertilizer can help enhance the nutrient content of your plants and achieve vibrant landscapes with ease.

Pumpkin Juice Foliar Liquid Fertilizer

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Overall Score: 8.5/10

Pumpkin Juice 11-8-5 is an acidic foliar liquid fertilizer specifically designed for pumpkins and vegetables. It contains a blend of plant growth stimulants and essential micro-nutrients, which stimulate and accelerate plant growth, resulting in improved yields. This high concentrate fertilizer can be applied through roots or leaves, making up to 32 gallons of fertilizer with just 1-2 oz per gallon of water. It also includes micro-nutrients and vitamins necessary for optimal plant growth. The easy-to-use measure and pour bottle ensures precise dosing. Suitable for various plants, Pumpkin Juice 11-8-5 is a powerful fertilizer that will help your pumpkins and vegetables thrive.

Pumpkin Juice 11-8-5 is a powerful foliar liquid fertilizer that stimulates and accelerates plant growth, resulting in abundant blossoms and healthier plants. With its high concentrate formula, easy measure and pour bottle, and essential micro-nutrients, it provides optimal nutrition for pumpkins and vegetables. While it may not guarantee giant pumpkins for everyone and some users experienced inconsistent results, it has shown positive effects for most gardeners. Whether you want to boost your pumpkin harvest or improve overall plant growth, Pumpkin Juice 11-8-5 is worth considering.

NutriGreen Concentrate Foliar Fertilizer

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Overall Score: 8.5/10

NutriGreen Concentrate Foliar Fertilizer is a water-soluble balanced formulation designed to promote plant growth. This product contains a complex of 22 nutritional elements, including nitrogen, phosphorous, potassium, calcium, micronutrients, kelp, vitamins, and humic acid. The nutrients are rapidly absorbed by plant tissues, resulting in improved growth and productivity. NutriGreen can be used on a wide range of crops, such as vegetables, fruit trees, lawns, and ornamentals. It is a highly concentrated formula, so a little goes a long way. By supplementing your plant nutrition with NutriGreen, you can achieve healthier and longer-lasting plants.

NutriGreen Concentrate Foliar Fertilizer is a highly effective solution for promoting plant growth and productivity. With its balanced formulation and 22 nutritional elements, it provides all the essential nutrients plants need to thrive. The rapid absorption by plant tissues ensures quick results, while the high concentration of the product allows for cost-effective usage. Whether you’re cultivating vegetables, fruit trees, lawns, or ornamentals, NutriGreen can help you achieve healthier and longer-lasting plants. Its compatibility with other agricultural products makes it convenient to incorporate into your existing feeding regimen. Overall, NutriGreen is a reliable and efficient foliar fertilizer that can contribute to the success of your garden or agricultural endeavors.

Gardenera All-Purpose Fertilizer – Boosted Growth for Thriving Plants

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Overall Score: 8.5/10

Gardenera 20-20-20 All-Purpose Fertilizer is a premium foliar feed that provides a powerful boost to plant growth, resulting in healthier and more vibrant plants. With a complete and balanced nutrient profile, it offers essential macronutrients and micronutrients for robust growth and development. This fertilizer enhances chlorophyll activation, promoting vibrant leaf coloration and lush foliage. It also strengthens plant root systems, enabling efficient nutrient uptake and water absorption. Suitable for a wide range of plants, it maximizes photosynthetic efficiency and increases energy production. Additionally, it helps plants develop greater resilience to environmental stressors and provides year-round care. With a water-soluble formula, it is convenient and easy to use. Gardenera is a trusted brand known for delivering premium-quality products backed by customer satisfaction.

Gardenera 20-20-20 All-Purpose Fertilizer is an excellent choice for plant enthusiasts looking to boost growth and improve plant health. With its complete and balanced nutrient profile, it provides robust nutrition for vibrant foliage and strong root systems. The fertilizer’s versatile application makes it suitable for a wide range of plant species, ensuring year-round care. Additionally, it enhances photosynthesis and energy production while increasing stress resistance. Although there was one negative review about plants dying, resulting in a sticky substance on the leaves, it’s important to consider that this could be an isolated incident. Overall, Gardenera 20-20-20 is a reliable fertilizer backed by a trusted brand, making it a valuable addition to any gardener’s toolkit.

Fitleaf Leaf Vitality All Purpose 20-20-20 (2.2 lb) Fertilizer

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Overall Score: 8/10

The Fitleaf Leaf Vitality All Purpose 20-20-20 is a premium foliar feed water soluble fertilizer that promotes biomass growth and vibrant leaf color in all plants. It provides complete plant nutrition with a balanced formula including macro, micro, and secondary nutrients, as well as amino acids that enhance photosynthesis, chlorophyll activation, stomata regulation, and pollen development. This fertilizer is suitable for any houseplant, flower, or vegetable crop in both hydroponic and soil-based environments. It helps balance plant nutrition and increases plant strength to overcome stressors like drought, extreme temperatures, and salinity. With its high-quality formula, it ensures abundant sprouts, vigorous growth, and overall plant well-being.

The Fitleaf Leaf Vitality All Purpose 20-20-20 is a highly effective foliar feed water soluble fertilizer for all plant types. It provides complete plant nutrition with balanced macro, micro, and secondary nutrients, as well as amino acids that enhance plant performance and stress resistance. With its high-quality formula, it promotes vibrant leaf color, biomass growth, and overall plant health. While it may have a small package size, its effectiveness in improving plant growth is undeniable. However, there have been some concerns about the product not dissolving easily in water. Overall, this fertilizer is a great choice for plant enthusiasts looking to boost their plant’s health and appearance.

Turbo NKS 36-0-8 Foliar Fertilizer

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Overall Score: 7.5/10

The Turbo NKS 36-0-8 Foliar Fertilizer is a water-soluble fertilizer that instantly mixes in water. It is active immediately without the need for rain and is blended with micro-nutrients and bio-stimulants for optimal plant growth. With a single bag treating 1-2 acres, it is suitable for use in pastures, crops, yards, and gardens. The fertilizer comes in a dimension of 16.00Lx10.00Wx4.00H. Customers have rated it 3.7 out of 5 stars. The reviews praise its ability to dissolve perfectly and be easy to use, resulting in a greener lawn without the risk of burning. Overall, the Turbo NKS 36-0-8 Foliar Fertilizer is a reliable and effective solution for promoting healthy plant growth.

The Turbo NKS 36-0-8 Foliar Fertilizer is a reliable and effective solution for promoting healthy plant growth. Its water-soluble formula ensures easy mixing in water, while its micro-nutrients and bio-stimulants enhance plant development. The fertilizer’s ability to activate without rainfall is a convenient feature. It covers a significant area, making it suitable for various applications, including pastures, crops, yards, and gardens. With positive customer reviews highlighting its efficiency and ease of use, it is a recommended choice for anyone looking to achieve a greener and lusher outdoor space.

Adenium Feed – Liquid Fertilizer for Desert Rose

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Overall Score: 8.7/10

The Adenium Feed is a liquid fertilizer designed specifically for Adenium, also known as the desert rose. This high-tech NPK fertilizer promotes healthy green leaves, strong formation, balanced rooting, and beautiful flowers. It offers rapid effects and can be administered through the roots or as a foliar fertilizer. With 250 ml of content, it serves as an economical concentrate, and the simple dosage cap makes it easy to use. Developed by experienced gardeners, the GREEN24 PROFI LINE fertilizers are based on the latest knowledge in plant propagation and cultivation. Enjoy the benefits of this professional plant food made in Germany.

If you’re looking to enhance the growth and beauty of your Adenium (desert rose), the Adenium Feed liquid fertilizer is an excellent choice. Designed by experienced gardeners, this professional plant food ensures healthy leaves, strong formation, balanced rooting, and stunning flowers. It can be applied through the roots or leaves, offering rapid effects compared to traditional fertilizers. With a content of 250 ml, it is also an economical concentrate. A simple dosage cap makes it easy to use. While it may be slightly more expensive than other options, the effectiveness and positive customer ratings make it a worthy investment for plant enthusiasts.

32oz Simple Lawn Solutions Surfactant for Better Fertilizer Performance

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Overall Score: 8/10

Liquid Surfactant, Non-Ionic by Simple Grow Solutions is a solution designed to enhance the effectiveness of lawn and garden products. It increases the coverage and absorption of solutions, reducing waste and making your products last longer. The concentrated formula is suitable for use with any product and can be used with both lawn and garden liquid foliar applications. The non-ionic formula does not carry a negative charge, allowing it to be used with any solution. Made in the USA, this liquid surfactant is an economical option to improve the performance of your favorite lawn and garden solutions.

Liquid Surfactant, Non-Ionic is a valuable addition to any gardening routine. With its ability to enhance the effectiveness of other products and increase coverage and absorption, it helps you make the most out of your lawn and garden solutions. Its economical nature and non-ionic formula make it a versatile option for various applications. While the small printing on the bottle and lack of instructions on the product page can be minor inconveniences, its overall performance makes it a worthwhile investment. Bring out the best in your lawn and garden with Liquid Surfactant, Non-Ionic by Simple Grow Solutions.

GREEN24 Aerophyte Liquid Fertilizer: HighTech NPK

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Overall Score: 8/10

The Epiphytes Tillandsia Bromelia Liquid Fertilizer is a high-tech, professional plant food designed specifically for epiphytes, Tillandsia, and Bromelia – commonly known as air plants. With its rapid and efficient effects, this liquid fertilizer can be administered via foliar application, ensuring quick absorption by the plants. The 250 ml content provides an economical concentrate, and the simple dosage system with the help of the cap makes it user-friendly. Developed by experienced gardeners, this fertilizer is based on current knowledge in plant propagation and cultivation. Enhance the growth and health of your air plants with this top-quality fertilizer made in Germany.

The Epiphytes Tillandsia Bromelia Liquid Fertilizer is a reliable and efficient choice for those who want to nourish their epiphytes and air plants. With its high-tech formulation and rapid effects, it delivers essential nutrients directly to the plants through foliar application. The economical concentrate and simple dosage system make it convenient and user-friendly. Developed by knowledgeable gardeners and produced in Germany, this liquid fertilizer ensures the well-being and vitality of your epiphytes. Simply administer this professional plant food and watch your air plants thrive!

Buyer's Guide: Foliar Fertilizer

*Don't just let your plants grow, let them thrive!* Enhance the health and productivity of your plants with the magic touch of foliar fertilizers. Elevate your gardening game with our comprehensive buyer's guide, designed to assist you in making informed choices when purchasing foliar fertilizers. From understanding the benefits to knowing the application techniques, we've got you covered!Benefits of Foliar Fertilizers:

• Rapid Nutrient Absorption: Foliar fertilizers offer a quick and efficient way for plants to absorb essential nutrients through their leaves, bypassing slow processes in the soil.
• Higher Nutrient Concentration: By applying foliar fertilizers directly to the leaves, you can provide your plants with a higher concentration of nutrients, resulting in improved growth and development.
• Targeted Nutrient Delivery: Foliar fertilizers allow you to deliver specific nutrients directly to the parts of the plant that need them the most, ensuring optimal nourishment.
• Improved Plant Health: Foliar fertilizers supply vital nutrients that strengthen plant tissue, enhance resistance to pests and diseases, and fortify overall plant health.
• Enhanced Yield and Quality: With the proper use of foliar fertilizers, you can significantly increase the yield and improve the quality of your fruits, flowers, vegetables, and other crops.

Factors to Consider:

1. Plant Type: Different plants have varying nutrient requirements. Consider the specific needs of your plants before choosing a foliar fertilizer to ensure a balance of essential elements.
2. Nutrient Composition: Check the nutrient composition on the product label to ensure it matches the deficiencies or requirements of your plants.
3. Application Frequency: Some plants benefit from more frequent applications, while others require less. Consider the recommended application frequency for optimal results.
4. Compatibility: Ensure the foliar fertilizer is compatible with other products you may be using, such as pesticides or fungicides, to avoid any potential negative interactions.
5. Formulation: Foliar fertilizers come in various formulations, including liquids, powders, and suspensions. Consider the ease of use and convenience of the chosen formulation.
6. Quality and Brand Reputation: Always opt for trusted brands known for their quality products and customer satisfaction, ensuring you're investing in reliable and effective foliar fertilizers.
7. Packaging Size: Assess the size of the packaging and calculate the quantity needed for your specific gardening needs to avoid overstocking or underestimating your requirements.

Application Techniques:

1. Proper Dilution: Follow the manufacturer's instructions to dilute the foliar fertilizer accurately. Incorrect dilution can lead to under or over-application, negatively impacting plant health.
2. Spray Application: Use a pump sprayer or a spray bottle with a fine mist nozzle for even and uniform coverage. Start from the bottom of the plant and work your way up, ensuring full leaf coverage.
3. Avoid Direct Sunlight: Apply foliar fertilizers during early morning or late afternoon to avoid direct sunlight, which may cause damage to the leaves due to the concentration effect of the spray droplets.
4. Avoid Rainy or Windy Days: Rain or strong winds can wash away or disperse the foliar fertilizer, rendering it ineffective. Choose calm, dry weather for application to maximize its benefits.
5. Test on Small Area: Before applying to your entire garden, test the foliar fertilizer on a small area of plants to observe any adverse effects or allergies.
6. Stagger Application: For larger gardens or farms, consider staggering the application over several days to ensure thorough coverage and even nutrient distribution.
7. Maintenance Applications: Regularly monitor plant health and nutrient deficiency signs. If necessary, continue with scheduled applications or adjust based on specific plant needs.