Best Fertilizer Spikes for Pine Trees: Quick Root Feeding for Healthy Evergreens
Choosing the right fertilizer spikes helps pine trees and other evergreens receive nutrients directly at the root zone, promoting stronger growth and vibrant foliage. This guide reviews top pine-friendly options, explains how to use them effectively, and compares key features to help homeowners pick the best spike for their landscape.
| Product | Brand | Key Benefit |
|---|---|---|
| Miracle-Gro Tree and Shrub Plant Food Spikes, 12 Spikes | Miracle-Gro | Direct root nourishment for deciduous, flowering, and evergreen trees |
| Jobe’s Slow Release Evergreen Fertilizer Spikes, 15 Count | Jobe’s Organics | Slow-release formula designed for acid-loving evergreens |
| SimplyGro Fertilizer Spikes for Evergreen Trees & Shrubs, 24 Spikes | SimplyGro | 12-3-3 formula tailored for conifers and pines; long feeding |
| Jobe’s Evergreen Fertilizer Spikes, 15-Pack | Jobe’s Organics | Slow-release 13-3-4 formulation for evergreens |
| The Old Farmer’s Almanac Tree & Shrub Fertilizer Spikes, 6 Spikes | The Old Farmer’s Almanac | Fast-acting, robust nutrition for trees and shrubs |
Miracle-Gro Tree And Shrub Plant Food Spikes, 12 Spikes

Miracle-Gro Tree & Shrub Plant Food Spikes deliver nutrition directly to tree roots, supporting vibrant color and lush foliage. They are suitable for deciduous, flowering, and evergreen trees, and are also effective for acid-loving plants. This 12-spike package is designed for easy, targeted feeding with minimal runoff when used as directed. The spikes are inserted into the soil around the drip line, releasing nutrients gradually to feed roots over time.
Jobe’s Slow Release Evergreen Fertilizer Spikes, 15 Count

Jobe’s Evergreen Fertilizer Spikes are formulated to feed evergreen trees like cypress, arborvitae, pine, and cedar. The 13-3-4 NPK blend is designed to release nutrients below the surface where active roots grow, supporting steady growth and healthy needles. The 15-count package is designed for twice-yearly application, typically in early spring and late fall, to align with seasonal growth cycles and minimize runoff and odors.
SimplyGro Fertilizer Spikes For Evergreen Trees & Shrubs, 24 Spikes

SimplyGro’s evergreen-focused spikes use a 12-3-3 formula to meet the needs of pines, firs, and other conifers. The 5-inch spikes provide a set-it-and-forget-it solution, feeding plants for up to three months. For best results, apply twice a year—spring and fall—to support growth in the growing season and energy storage for winter. Pre-measured spikes reduce the risk of over-fertilization and nutrient runoff.
Jobe’s Evergreen Fertilizer Spikes, 15

Jobe’s Evergreen Tree & Shrub Spikes are specifically designed for evergreens, delivering a slow-release 13-3-4 formulation. They help maintain healthy root systems and vibrant foliage while minimizing the risk of fertilizer burn due to controlled nutrient release. The 15-pack is positioned for seasonal applications, typically in spring and fall, to align with evergreen growth cycles.
The Old Farmer’s Almanac Tree & Shrub Fertilizer Spikes

Old Farmer’s Almanac Tree & Shrub Spikes offer a fast-acting, long-lasting nutrient boost for trees, evergreens, and shrubs. The included TruSpikes are easy to hammer in and designed to withstand simple garden conditions. The recommended feeding cadence is once per season—early spring and late fall—for continuous nourishment, supporting robust root development and steady growth throughout the year.
Jobes 01611 Evergreen Tree Fertilizer Spikes, 15 Pack

Jobe’s 01611 Evergreen Tree Fertilizer Spikes deliver a continuous year-long nutrient supply below the surface to develop strong root systems. The 15-pack is designed for evergreen varieties commonly found in landscapes and yards, providing slow-release nutrients that support growth and health while minimizing nutrient loss and environmental impact.
SimplyGro Fertilizer Spikes For Citrus & Fruit Trees & Shrubs, 12 Spikes

Although optimized for citrus and fruit varieties, SimplyGro’s 8-4-8 formula can benefit a wide range of tree types including some evergreen fruit-bearing species. The 12 spikes provide a balanced blend to support fruit production and overall tree vigor while offering up to three months of continuous feeding. As with other spikes, insert around the drip line for best root access.
Buying Guide: Key Considerations For Pine-Friendly Fertilizer Spikes
- Tree type and acidity: Pine and other conifers often prefer formulas with balanced or slightly higher potassium (K) and formulations designed for acid-loving plants. Look for products labeled specifically for evergreens or acid-loving trees.
- Release rate and frequency: Slow-release spikes reduce the risk of root burn and nutrient leaching. Consider whether a twice-yearly or quarterly feeding schedule best fits your landscape’s needs and seasonal growth cycles.
- Application method: Spikes should be spaced around the drip line and hammered or inserted into the soil to reach active root zones. Ensure you follow manufacturer directions for depth and placement.
- NPK balance: Common evergreen formulas include 13-3-4 or 12-3-3, which provide nitrogen for growth and potassium for stress tolerance. Citrus-focused formulas (8-4-8) are suitable for fruiting trees but may be overkill for pines unless specifically recommended.
- Environmental impact: Pre-measured spikes help reduce over-fertilization and runoff. Choose products with minimal risk of nutrient loss and environmental harm.
- Root health and soil conditions: If your soil is compacted or deficient in certain nutrients, consider soil testing to tailor a feeding plan. Spikes complement root-healthy practices like mulching and watering at appropriate depths.
- Cost and quantity: Compare spike counts and coverage; higher counts may offer better long-term value, especially for larger landscapes with multiple pine trees.