Arborvitae rely on steady, balanced nutrition to maintain lush foliage and steady growth. Fertilizer spikes provide a convenient, low-stress way to feed these evergreens directly at the root zone. This guide highlights five effective spike options, explains how they work, and helps you choose the right product for your arborvitae planting and mature landscape.
| Product | Brand | Type | Notes |
|---|---|---|---|
| Miracle-Gro Tree & Shrub Plant Food Spikes | Miracle-Gro Store | Aerated root-spike feed | |
| Jobe’s Evergreen Tree Fertilizer Spikes | Organics | 13-3-4 formula; evergreen/trees | |
| Power Spike for EVERGREENS | Strike Home & Garden | Iron-fortified evergreen spike | |
| Tree Fertilizer Spike Metal Root Feeder | — | Metal spike driver for root feeding | |
| Jobe’s Evergreen Fertilizer Spikes | Organics | 15-pack, 13-3-4 |
Below are five products most relevant to arborvitae care. Each section provides a concise overview, key features, and practical application tips to help you optimize root feeding for your arborvitae and other evergreen trees.
Miracle-Gro Tree And Shrub Spikes For Deciduous And Evergreen
Miracle-Gro Tree & Shrub Plant Food Spikes are designed to feed roots directly, promoting vibrant color and foliage for a wide range of trees, including evergreens. These spikes are easy to insert and provide nutrients where trees need them most, supporting healthy root systems and balanced growth. They are suitable for deciduous, flowering, and evergreen trees, and they work well for acid-loving plants as well.
Key features include direct root delivery, a balanced formulation for trees and shrubs, and a straightforward application suitable for home landscapes. For arborvitae, use as directed around the drip line to encourage steady, deep root growth without over-fertilizing the upper canopy.
Jobe’s Evergreen Tree Fertilizer Spikes
This evergreen-focused option delivers a continuous year-long supply of nutrients below the soil surface, supporting root development and overall tree vigor. The formulation is designed to minimize risk of fertilizer burn while providing steady nutrition to evergreen species, including arborvitae.
Structure and release are tailored to evergreen needs: a slow, controlled delivery that helps establish strong root systems and sustained green growth. Use per label directions around the drip line, spacing spikes adequately to avoid concentrated nutrient pockets.
Power Spike For Evergreens
Power Spike for EVERGREENS provides a combination of fertilizer and micronutrients with added iron. This formulation targets evergreen trees and shrubs, helping address common soil deficiencies and promoting deep green, vibrant growth. Arborvitae are a primary beneficiary due to iron’s role in chlorophyll and leaf color.
Use these spikes to boost evergreen health, particularly in soils with nutrient imbalances or low micronutrient availability. Place spikes at the root zone around the drip line, ensuring even distribution for uniform uptake. This product is especially useful in areas with challenging soil conditions where iron deficiency can dull evergreen foliage.
Tree Fertilizer Spike Metal Root Feeder
This metal root feeder spike driver streamlines the process of inserting fertilizer spikes by creating pilot holes with a hammer. It delivers nutrients directly to the root zone and is compatible with various spike brands and granular fertilizers. The sturdy steel construction supports repeated use in tough soil conditions.
Advantages include ease of use, a universal fit with many spike types, and a tool-built approach that minimizes strain during application. For arborvitae, use the tool to prepare planting beds or established trees, then insert spikes at strategic locations around the drip line for balanced feeding.
Jobe’s Evergreen Fertilizer Spikes
Jobe’s Evergreen Fertilizer Spikes are specifically formulated for evergreens with a slow-release profile to prevent burning. The 13-3-4 formulation is designed to provide essential nutrients throughout the growing season, supporting evergreen growth and resilience. This product is well-regarded for arborvitae and similar species.
When applying, place spikes evenly around the base of the tree, avoiding trunk contact. This helps establish a steady nutrient supply to the root zone, supporting robust foliage, improved color, and overall evergreen vigor without frequent reapplication.
Buying Guide: Key Purchase Considerations For Arborvitae
- Formulation: Look for balanced N-P-K ratios suited for evergreens, typically with micronutrients like iron to support green coloration. Spikes should release nutrients slowly to prevent root burn.
- Root-zone Delivery: Spikes that feed directly at the root zone align with arborvitae root systems, ensuring efficient uptake. Space spikes evenly within the drip line for uniform growth.
- Duration and Release: Choose products offering extended-release nutrition that minimizes maintenance. Consider brands with year-long or multi-month feeding cycles for mature trees.
- Soil Conditions: If your soil is clay-heavy or nutrient-poor, iron fortification can help address chlorosis and dull foliage. Test soil if possible to tailor the product choice.
- Application Tools: Some products require no extra tools, while others may benefit from a dedicated spike driver or metal tool to create pilot holes. Ensure you have the right accessories or select a plug-and-play option.
- Tree Size and Spacing: For large arborvitae, plan for multiple spikes around the canopy’s drip line. For young plants, use fewer spikes and monitor growth response to avoid over-fertilization.
- Safety and Maintenance: Follow labels to avoid fertilizer burn and to protect nearby plant roots. Water after installation if recommended to help nutrient uptake.
- Brand Reliability: Consider reputable brands offering evergreen-specific formulations and clear application instructions, especially for long-term landscape health.
This guide emphasizes objective considerations to help homeowners select fertilizer spikes that best support arborvitae and other evergreen species. Always follow product directions and adjust based on tree size, soil health, and landscape goals.