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10 Best Tree Fertilizers 2025 in the United States
#1
Winner
Miracle-Gro Tree and Shrub Plant Food Spikes, For Deciduous, Flowering and Evergreen Trees, 12 Spikes
Miracle-Gro Tree and Shrub Plant Food Spikes are designed to enhance the health and appearance of trees and shrubs in your garden. With an easy application method, these spikes deliver essential nutrients directly to the roots, which is a significant advantage for ensuring effective nutrient uptake. They cater to a variety of trees, including deciduous, flowering, and evergreens, making them versatile for different types of landscaping. The simplicity of application—just place them around the tree's drip line in spring and fall—makes it user-friendly, even for gardening novices.
Rating
9.8
Chosen by1,354
Application Frequency
Most important from
20621 reviews
#2
BioAdvanced Tree and Shrub, Concentrate, 64 Oz
BioAdvanced Tree and Shrub Concentrate is designed primarily for those looking to enhance the health of their trees and shrubs while also tackling pest problems. The strength of this product lies in its dual functionality as both a fertilizer and an insecticide. With a slow-release formula, it nourishes plants over time, which is beneficial for long-term plant health. The product's systemic protection ensures that it works from the roots up, making it effective against a variety of pests like Japanese Beetles and Aphids. Users appreciate the convenience of just one annual application, which simplifies the care routine for busy gardeners.
#3
Scotts Evergreen Flowering Tree & Shrub Continuous Release Plant Food 3-Pound
Scotts Evergreen Flowering Tree & Shrub Continuous Release Plant Food is designed to promote vigorous root growth and lush foliage, making it ideal for trees and shrubs like evergreens, dogwoods, hydrangeas, and magnolias. Its continuous release formula feeds plants for up to 2 months, which reduces the need for frequent reapplication.
Top 10 Best Tree Fertilizers 2025 in the United States
#1
Winner
9.8 score
Miracle-Gro Tree and Shrub Plant Food Spikes, For Deciduous, Flowering and Evergreen Trees, 12 Spikes
Miracle-Gro Tree and Shrub Plant Food Spikes, For Deciduous, Flowering and Evergreen Trees, 12 Spikes
Type of Fertilizer: Spikes
Organic vs. Synthetic: Synthetic
Application Frequency: Twice a year
Soil pH Compatibility: For acid-loving plants
Chosen by 1354 this week
BioAdvanced Tree and Shrub, Concentrate, 64 Oz
BioAdvanced Tree and Shrub, Concentrate, 64 Oz
Type of Fertilizer: Concentrate
Application Frequency: Annual application
Scotts Evergreen Flowering Tree & Shrub Continuous Release Plant Food 3-Pound
Scotts Evergreen Flowering Tree & Shrub Continuous Release Plant Food 3-Pound
Type of Fertilizer: Continuous Release
Organic vs. Synthetic: Synthetic
Application Frequency: Up to 2 months
Soil pH Compatibility: Acid-loving plants
The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 24 Spikes - 6 Lbs) (OFA-FS1333-24)
The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 24 Spikes - 6 Lbs) (OFA-FS1333-24)
N-P-K Ratio: 13-3-3
Type of Fertilizer: Fertilizer Spikes
Organic vs. Synthetic: Synthetic
Application Frequency: Twice a year
Jobe’s Slow Release Tree and Shrub Fertilizer Spikes, Easy Plant Care for Oak, Maple, Dogwood, Boxwood, and Many More Acid Loving Trees and Shrubs, 15 Count
Jobe’s Slow Release Tree and Shrub Fertilizer Spikes, Easy Plant Care for Oak, Maple, Dogwood, Boxwood, and Many More Acid Loving Trees and Shrubs, 15 Count
N-P-K Ratio: 16-4-4
Type of Fertilizer: Slow Release
Organic vs. Synthetic: Organic
Application Frequency: Twice a year
Soil pH Compatibility: Acid-loving plants
Related Products
Miracle-Gro Shake 'N Feed Palm Plant Food, For Container and In-Ground Plants, Palm Trees, Cycads and Tropical Plants, 4.5 lbs.
Miracle-Gro Shake 'N Feed Palm Plant Food, For Container and In-Ground Plants, Palm Trees, Cycads and Tropical Plants, 4.5 lbs.
N-P-K Ratio: balanced
Type of Fertilizer: Plant Food
Organic vs. Synthetic: Synthetic
Micronutrients: magnesium, iron, manganese
Application Frequency: every 3 months
Espoma Organic Evergreen-Tone 4-3-4 Natural & Organic Fertilizer and Plant Food for Evergreen Trees & Shrubs. 18 lb. Bag. Use for Planting & Feeding to Promote Optimum Growth
Espoma Organic Evergreen-Tone 4-3-4 Natural & Organic Fertilizer and Plant Food for Evergreen Trees & Shrubs. 18 lb. Bag. Use for Planting & Feeding to Promote Optimum Growth
N-P-K Ratio: 4-3-4
Type of Fertilizer: Granules
Organic vs. Synthetic: Organic
Micronutrients: 5% sulfur
Application Frequency: Twice a year, spring and fall
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
BioAdvanced 12-Month Tree and Shrub Protect & Feed, Insect Killer and Fertilizer, 10-Pound, Granules 701720A
BioAdvanced 12-Month Tree and Shrub Protect & Feed, Insect Killer and Fertilizer, 10-Pound, Granules 701720A
Type of Fertilizer: Granules
Application Frequency: 12 months
#10
7.2 score
Jobe’s Organics Garden Fertilizer Spikes, Easy Plant Care Fertilizer for Fruit and Citrus Plants and Trees, 6 Count
Jobe’s Organics Garden Fertilizer Spikes, Easy Plant Care Fertilizer for Fruit and Citrus Plants and Trees, 6 Count
N-P-K Ratio: 3-5-5
Type of Fertilizer: Spikes
Organic vs. Synthetic: Organic
Application Frequency: Every 4-6 weeks
Soil pH Compatibility: Range of pH levels
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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.