Evergreens thrive when their roots receive steady, targeted nutrition. Fertilizer spikes deliver slow-release nutrients directly to the root zone, minimizing waste and helping trees and shrubs maintain vibrant color and healthy growth throughout the seasons. This guide highlights five top options tailored for evergreen varieties, from pines to arborvitaes, with practical considerations to help you choose the right spikes for your landscape.
Summary of chosen products
- Miracle-Gro Tree & Shrub Plant Food Spikes
- Jobe’s Slow Release Evergreen Fertilizer Spikes
- SimplyGro Fertilizer Spikes For Evergreen Trees & Shrubs (24 Spikes)
- Winchester Gardens Landscaper Pack Evergreen Fertilizer Spikes (12-10-10)
- Power Spike For EVERGREENS Fertilizer Spike
Miracle-Gro Tree & Shrub Plant Food Spikes

Miracle-Gro Tree & Shrub Plant Food Spikes provide direct nutrition to a tree’s root zone, promoting vibrant color and lush foliage for deciduous, flowering, and evergreen trees. The easy-to-use spikes help feed acid-loving and evergreen varieties by delivering a steady supply of nutrients where roots actively absorb them. This option is well suited for homeowners seeking a simple, low-maintenance feeding method that supports overall tree health.
Jobe’s Slow Release Evergreen Fertilizer Spikes

This 15-count package is designed for acid-loving evergreens such as cypress, arborvitae, pine, and cedar. The slow-release formulation (13-3-4 NPK) feeds below the surface, helping prevent nutrient burn and runoff. Application is straightforward, typically twice a year in spring and fall, aligning with active growth and energy storage cycles for evergreen roots.
Jobe’s Evergreen Fertilizer Spikes (15)

Jobe’s Evergreen Tree & Shrub Fertilizer Spikes come in a 15-pack and are formulated to feed evergreens slowly to prevent burn. The 13-3-4 formulation ensures a steady nutrient supply at the root zone, supporting resilient growth in many evergreen species and helping maintain vibrant green color throughout seasons.
Power Spike For EVERGREENS Fertilizer Spike

Power Spikes offer a combination of fertilizer and micronutrients, including iron, to address common evergreen deficiencies. This spike is designed to nourish all evergreen types, delivering essential nutrients to the root zone for deeper green growth and robust root development, making it suitable for arborvitaes and a range of conifers.
Winchester Gardens Landscaper Pack Evergreen Fertilizer Spikes

This 70-spike case emphasizes macronutrients essential for healthy evergreen growth. It is designed to be user-friendly and presents a child- and pet-friendly option with minimal mess and runoff, suitable for larger landscapes where many evergreen plants require consistent feeding over time.
SimplyGro Fertilizer Spikes For Evergreen Trees & Shrubs (72 Spikes)

SimplyGro’s evergreen spikes feature a 12-3-3 formula designed for pines, firs, and conifers. The spikes provide a “set it and forget it” feeding schedule for up to three months and encourage steady root nourishment with reduced risk of nutrient runoff. They are pre-measured to help avoid over-fertilization and support lush foliage and growth.
Buying Guide: How to Choose Fertilizer Spikes For Evergreens
- NPK Formulation: Look for a balanced or slightly nitrogen-heavy ratio (like 12-3-3 or 13-3-4) to support leaf production and overall vigor in evergreens without risking burn.
- Release Type: Slow-release spikes minimize the risk of nutrient burn and reduce the frequency of applications. Check the product’s release timeline and recommended application frequency.
- Targeting and Depth: Spikes should reach the root zone without sitting on the surface. Follow label directions for the spacing and insertion depth around established root systems.
- Micronutrients: Some products include iron or chelated micronutrients to address common evergreen deficiencies. This can enhance color and needle retention in low-nutrient soils.
- Size and Coverage: Larger landscapes or dense plantings may require more spikes or larger 70-spike packs, while small yards might only need a few packs per season.
- Safety and Runs-Off: Choose products labeled as low-waste or low-runoff to protect waterways and surrounding vegetation.
- Plant Specificity: While many spikes are suitable for a broad range of evergreens, some formulas optimize for acid-loving species. Match the product to your particular trees or shrubs.
- Ease of Use: Pre-measured spikes and simple insertion steps reduce chances of over-fertilizing and make seasonal care straightforward for homeowners.
When planning a feeding schedule, align spike placements with growth cycles. For most evergreens, early spring supports new growth, while fall applications help with energy storage for winter. Always follow label directions to ensure optimal performance and environmental safety.