10 Best Tree Fertilizers 2026 in the United States
#1
Winner
Miracle-Gro Shake 'N Feed Flowering Trees and Shrubs Plant Food, For In-Ground and Container Plants, Acid-Loving Flowering Plants, 8 lbs.
Miracle-Gro Shake 'N Feed Flowering Trees and Shrubs Plant Food is a convenient option for those looking to nourish flowering trees, shrubs, and other acid-loving plants. This fertilizer is designed to maintain lush green foliage and vibrant blooms, making it ideal for ornamental gardeners. The inclusion of natural ingredients like kelp, earthworm castings, bone meal, and feather meal adds an organic touch, although it is not entirely organic.
#2
Miracle-Gro Shake 'N Feed Palm Plant Food - Fertilizer for Container and In-Ground Palm Trees, Cycads, and Tropical Plants, 4.5 lb.
Miracle-Gro Shake 'N Feed Palm Plant Food is designed specifically for palm trees, cycads, and tropical plants, making it an excellent choice for those who maintain these types of plants either in containers or in-ground. The product comes with a balanced N-P-K ratio suitable for these plant types and includes essential micronutrients like magnesium, iron, and manganese, which help maintain lush green foliage and prevent common issues like yellowing and curling of fronds.
Rating
9.7
Application Frequency
Most important from
5552 reviews
#3
Miracle-Gro Shake 'N Feed Citrus, Avocado, Mango Plant Food - Fertilizer for Container and In-Ground Plants, Citrus, Avocado and Mango Trees, 4.5 lbs.
Miracle-Gro Shake 'N Feed Citrus, Avocado, Mango Plant Food is a granulated fertilizer designed specifically for citrus, avocado, and mango trees, whether grown in containers or in the ground. Its N-P-K ratio of 8-2-10 provides more potassium and nitrogen than phosphorus, supporting healthy fruit development and overall plant growth. This balance is well-suited for fruit trees that need strong feeding but not excessive phosphorus. The fertilizer also includes important micronutrients like potassium, magnesium, sulfur, and iron, which help prevent common deficiencies and promote vibrant foliage and fruit.
Rating
9.4
N-P-K Ratio
Application Frequency
Most important from
4798 reviews
Top 10 Best Tree Fertilizers 2026 in the United States
#1
Winner
Miracle-Gro Shake 'N Feed Flowering Trees and Shrubs Plant Food, For In-Ground and Container Plants, Acid-Loving Flowering Plants, 8 lbs.
Miracle-Gro Shake 'N Feed Flowering Trees and Shrubs Plant Food, For In-Ground and Container Plants, Acid-Loving Flowering Plants, 8 lbs.
Type of Fertilizer: Plant Food
Organic vs. Synthetic: Not entirely organic
Micronutrients: kelp, castings, bone meal, feather meal
Application Frequency: Feeds up to three months
Soil pH Compatibility: mildly acidic soils
Chosen by 1367 this week
Miracle-Gro Shake 'N Feed Palm Plant Food - Fertilizer for Container and In-Ground Palm Trees, Cycads, and Tropical Plants, 4.5 lb.
Miracle-Gro Shake 'N Feed Palm Plant Food - Fertilizer for Container and In-Ground Palm Trees, Cycads, and Tropical Plants, 4.5 lb.
N-P-K Ratio: balanced
Type of Fertilizer: Plant Food
Organic vs. Synthetic: Synthetic
Micronutrients: magnesium, iron, manganese
Application Frequency: every 3 months
Miracle-Gro Shake 'N Feed Citrus, Avocado, Mango Plant Food - Fertilizer for Container and In-Ground Plants, Citrus, Avocado and Mango Trees, 4.5 lbs.
Miracle-Gro Shake 'N Feed Citrus, Avocado, Mango Plant Food - Fertilizer for Container and In-Ground Plants, Citrus, Avocado and Mango Trees, 4.5 lbs.
N-P-K Ratio: 8-2-10
Type of Fertilizer: Granulated
Organic vs. Synthetic: Synthetic
Micronutrients: potassium, magnesium, sulfur, iron
Application Frequency: every three months
Soil pH Compatibility: slightly acidic to neutral
Miracle-Gro Water Soluble All Purpose Plant Food - Fertilizer For All Indoor or Outdoor Plants including Roses, Flowers, Vegetables, Houseplants, Trees, and Shrubs, 6.25 lbs.
Miracle-Gro Water Soluble All Purpose Plant Food - Fertilizer For All Indoor or Outdoor Plants including Roses, Flowers, Vegetables, Houseplants, Trees, and Shrubs, 6.25 lbs.
N-P-K Ratio: 24-8-16
Type of Fertilizer: Liquid
Organic vs. Synthetic: Synthetic
Application Frequency: Flexible by plant type and growth
Miracle-Gro Water Soluble All Purpose Plant Food - Fertilizer For All Indoor or Outdoor Plants including Roses, Flowers, Vegetables, Houseplants, Trees, and Shrubs, 5 lb. Bag
Miracle-Gro Water Soluble All Purpose Plant Food - Fertilizer For All Indoor or Outdoor Plants including Roses, Flowers, Vegetables, Houseplants, Trees, and Shrubs, 5 lb. Bag
N-P-K Ratio: 24-8-16
Type of Fertilizer: Water soluble plant food
Organic vs. Synthetic: Synthetic
Application Frequency: Follow package directions
Soil pH Compatibility: Neutral to slightly acidic
Related Products
GARDENWISE Professional Citrus Fertilizer + Vital Micronutrients; Perfect Balanced NPK for All Citrus; for Indoor and Outdoor Plants; Orange, Lime, Avocado and Lemon Tree Fertilizer (2 QUARTS)
GARDENWISE Professional Citrus Fertilizer + Vital Micronutrients; Perfect Balanced NPK for All Citrus; for Indoor and Outdoor Plants; Orange, Lime, Avocado and Lemon Tree Fertilizer (2 QUARTS)
N-P-K Ratio: 6-4-6
Type of Fertilizer: granular, slow-release coating
Organic vs. Synthetic: synthetic
Micronutrients: magnesium, zinc, copper, iron, boron
Application Frequency: less frequent, slow-release coating
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1/2 Quart)
10-10-10 Plant Fertilizer Slow Release - 10 10 10 All Purpose Granular Garden Fertilizer for Vegetables, Tomato, Arborvitae, Shrubs, Rose, Flowers, Fruit, Fig Trees (1/2 Quart)
N-P-K Ratio: 10-10-10
Type of Fertilizer: slow-release granular
Organic vs. Synthetic: synthetic
Application Frequency: twice per season for gardens
Fox Farm Big Bloom Liquid Plant Food - Organic Bloom Fertilizer for Flowering & Fruiting Plants, Contains Earthworm Castings & Bat Guano - Supports All Stages of Plant Growth - 0-0.5-0.7 NPK, 1 Quart
Fox Farm Big Bloom Liquid Plant Food - Organic Bloom Fertilizer for Flowering & Fruiting Plants, Contains Earthworm Castings & Bat Guano - Supports All Stages of Plant Growth - 0-0.5-0.7 NPK, 1 Quart
N-P-K Ratio: 0-0.5-0.7
Type of Fertilizer: liquid
Organic vs. Synthetic: organic
Micronutrients: earthworm castings, bat guano
Application Frequency: every other watering
Down To Earth All Natural Fertilizers Organic Citrus Mix - Plant Food for Lemons, Limes, Oranges and Avocados 6-3-3, 15 lb
Down To Earth All Natural Fertilizers Organic Citrus Mix - Plant Food for Lemons, Limes, Oranges and Avocados 6-3-3, 15 lb
N-P-K Ratio: 6-3-3
Type of Fertilizer: Granules
Organic vs. Synthetic: Organic
Micronutrients: Calcium and magnesium
#10
Down To Earth All Natural Fertilizers Organic Fruit Tree - Plant Food for Apples, Pears, Plums and Tropical Fruit Trees 6-2-4, 15 lb
Down To Earth All Natural Fertilizers Organic Fruit Tree - Plant Food for Apples, Pears, Plums and Tropical Fruit Trees 6-2-4, 15 lb
N-P-K Ratio: 6-2-4
Type of Fertilizer: Organic Fruit Tree formula
Organic vs. Synthetic: Organic
Application Frequency: Slow-release, less frequent applications
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Buying Guide for the Best Tree Fertilizers
Choosing the right tree fertilizer is crucial for ensuring the healthy growth and development of your trees. Fertilizers provide essential nutrients that trees need to thrive, and selecting the right one can make a significant difference in the health and appearance of your trees. When picking a tree fertilizer, it's important to consider several key specifications to ensure you are providing the best possible care for your trees.N-P-K RatioThe N-P-K ratio represents the percentage of nitrogen (N), phosphorus (P), and potassium (K) in the fertilizer. These are the primary nutrients that trees need. Nitrogen promotes leaf and stem growth, phosphorus supports root development and flowering, and potassium enhances overall health and disease resistance. For young trees, a higher nitrogen content (e.g., 10-10-10) is beneficial for growth. For mature trees, a balanced or lower nitrogen ratio (e.g., 5-10-10) is better to support root and fruit development. Choose the N-P-K ratio based on the age and type of tree you are fertilizing.
Type of FertilizerFertilizers come in various forms, including granular, liquid, and spikes. Granular fertilizers are easy to apply and provide a slow release of nutrients over time, making them ideal for long-term feeding. Liquid fertilizers offer quick nutrient absorption and are suitable for immediate nutrient needs. Fertilizer spikes are convenient and provide a steady release of nutrients directly to the root zone. Consider the ease of application and the specific needs of your trees when choosing the type of fertilizer.
Organic vs. SyntheticOrganic fertilizers are made from natural materials and release nutrients slowly, improving soil health over time. They are environmentally friendly and safe for use around children and pets. Synthetic fertilizers are chemically manufactured and provide a quick release of nutrients, which can be beneficial for immediate results. However, they may not improve soil health in the long term. If you prefer a more sustainable approach, opt for organic fertilizers. If you need rapid results, synthetic fertilizers may be more suitable.
MicronutrientsIn addition to the primary nutrients (N-P-K), trees also require micronutrients such as iron, manganese, zinc, and copper for optimal growth. These micronutrients are often included in fertilizers in small amounts. Check the fertilizer label to ensure it contains the necessary micronutrients, especially if your soil is deficient in any of them. If your trees show signs of nutrient deficiencies, such as yellowing leaves or stunted growth, a fertilizer with added micronutrients can help address these issues.
Application FrequencyDifferent fertilizers have varying application frequencies, ranging from once a year to several times a season. Slow-release fertilizers typically require less frequent applications, while liquid fertilizers may need to be applied more often. Consider your schedule and the level of maintenance you are willing to commit to when choosing a fertilizer. If you prefer low-maintenance care, opt for a slow-release fertilizer that requires fewer applications.
Soil pH CompatibilitySoil pH affects nutrient availability to trees. Some fertilizers are formulated to work best within specific pH ranges. Test your soil pH before selecting a fertilizer to ensure compatibility. Most trees prefer a slightly acidic to neutral pH (6.0-7.0). If your soil pH is outside this range, choose a fertilizer that can help adjust the pH or consider amending the soil to achieve the desired pH level.