10 Best Tree Fertilizer Spikes of 2025

Tested and Reviewed: Top 10 Tree Fertilizer Spikes deals with expert ratings from 8.1 to a perfect 10

April 2026 Edition

Editor's Choice

9.7

Miracle-Gro

Miracle-Gro Tree and Shrub Plant Food Spikes - Deciduous, Flowering & Evergreen Tree Fertilizer Spikes, Hydrangeas, and Acid-Loving Plants, 12 Count, 3 lb.

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Editor's bottom line:

“This tree fertilizer spikes is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

LASTING COLOR: Miracle-Gro Tree & Shrub Plant Food Spikes are fertilizer spikes for trees and shrubs; they promote vibrant color and foliage for trees and shrubs in your yard
PROVIDES NUTRITION: These easy-to-use outdoor tree food spikes provide slow release nutrients directly to your trees and shrubs' roots, where they need it most
WHERE TO USE: Use tree spikes with deciduous, flowering and evergreen trees as well as acid-loving plants like hydrangeas, azaleas and magnolias
APPLICATION: Apply the outdoor plant food spikes once in spring and once in fall by placing plant spikes around the tree's drip line with at least 3 ft. between each spike (see packaging for more details)
COVERAGE: This 3 lb. package Miracle-Gro Tree & Shrub Plant Food Spikes includes 12 spikes, enough plant food sticks to feed 3 trees with a 4-ft drip line diameter or 1 tree with a 12-ft. drip line diameter

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9.5

Miracle-Gro

Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes (2-Pack)

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Main Highlights

Promotes vibrant color and lush foliage
Contains natural ingredients
Feed once per season in Spring and Fall
Also great for use on evergreens and acid loving plants
Easy-to-use spikes release nutrients directly into the root zone to help promote strong trees and shrubs

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9.5

Jobe's Organics

Jobe's Tree Fertilizer Spikes, 16-4-4 Time Release Fertilizer for All Shrubs & Trees, 15 Spikes per Package - 2

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Main Highlights

IDEAL FOR: All deciduous trees and shrubs
Easy to use fertilizer spikes with no wasteful runoff, mess, hazards or smells
Formulated to ensure a continuous supply of nutrients below the surface, where the trees active roots are growing
Will not burn trees. Feeds all season
Doesn't require any mixing or measuring

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9.2

The Old Farmer's Almanac

The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 6 Spikes - 1.5 Lbs)

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Main Highlights

Fast acting, long lasting, robust nutrition feeds trees, evergreens and shrubs
5 Inch TruSpikes are packed with fertilizer. They're easy to hammer in (no cap required) and will not break, crush or shatter
Simple to use. For best results, feed once per season -- early spring, and late fall -- for continuous fertilization
Contains natural ingredients -- like molasses -- that release nutrition directly into the root zone to help promote stronger trees and shrubs
Nutrient rich 13-3-3 formula with 13% Nitrogen for plant growth and color; 3% Phosphorus for healthy fruiting and blooms; and 3% Potassium for strong roots

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9.0

Miracle-Gro

Miracle-Gro Fruit & Citrus Plant Food Spikes Fertilizer - 10-15-15 Easy-to-Use Nutrient Spikes for Fruit and Citrus Trees, 12 Spikes

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Main Highlights

Formulated for Fruit and Citrus Trees: Use these fruit tree spikes on apple, orange, lemon, lime, and avocado trees; this formula is also great for feeding palm trees
Promotes Fruit Production: Miracle-Gro Fruit & Citrus Plant Food Spikes promote more fruit and lush foliage on your trees (vs unfed plants), helping your fruit and citrus trees thrive and produce a bountiful harvest
Easy Feeding Just Twice a Year: Apply these tree fertilizer spikes once in early spring and once in mid-fall; this simple seasonal schedule provides continuous nutrition to support your trees
Apply plant food spikes once in spring and once in fall by placing tree spikes around the tree's drip line with at least 3 ft. between each spike
Simple, Hassle-Free Tree Feeding: Contains 12 spikes; simply drive the spikes below the soil surface around the dripline using a rubber mallet or by stepping on them (follow label chart for quantity)

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8.8

The Old Farmer's Almanac

The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 24 Spikes - 6 Lbs) (OFA-FS1333-24)

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Main Highlights

Fast acting, long lasting, robust nutrition feeds trees, evergreens and shrubs
5 Inch TruSpikes are packed with fertilizer. They're easy to hammer in (no cap required) and will not break, crush or shatter
Simple to use. For best results, feed once per season -- early spring, and late fall -- for continuous fertilization
Contains natural ingredients -- like molasses -- that release nutrition directly into the root zone to help promote stronger trees and shrubs
Nutrient rich 13-3-3 formula with 13% Nitrogen for plant growth and color; 3% Phosphorus for healthy fruiting and blooms; and 3% Potassium for strong roots

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8.6

Jobe's Organics

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, 5 Count

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Main Highlights

Package contains 5 tree and shrub fertilizer spikes and are produced to avoid wasteful runoff, mess, hazards and smells
Formulated with a 15-3-3 NPK to ensure a continuous supply of nutrients below the surface, where the shrubs and tree's active roots are growing
Application is simple and should be done twice a year in early spring and late fall
Jobe's fertilizer spikes come pre-measured to provide the right amount of nutrients for your trees and shrubs with no risk of over fertilizing
Jobe's fertilizer spikes come in a variety of formulas and pack sizes to help provide lush foliage and vibrant color to your lawn and garden

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8.3

Jobes

Jobes 01611 15 Pack Evergreen Tree Fertilizer Spikes - Quantity 6 Packages

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Main Highlights

Quantity of (6) 15 packs: Jobe's # 01611 13-3-4 Evergreen / Tree Fertilizer Spikes
Provides a continuous year long supply of nutrients below the surface, to develop strong root systems .

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8.1

SimplyGro

SimplyGro Tree & Shrub Fertilizer Spikes (12 Spikes - 3.0 Lbs)

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Main Highlights

Formulated for All Types of Trees & Shrubs: The 8-8-8 formula -- 8% Nitrogen for vigorous plant growth and rich colors; 8% Phosphorus for healthy fruiting and flowering; and 8% Potassium for strong roots -- in these fertilizer plant food spikes provides ideal general nutrition levels for all types of deciduous, coniferous, decorative, flowering, and fruiting trees and shrubs.
Set It & Forget It Solution: Each 5-Inch SimplyGro Fertilizer Spike is packed with nutrition designed for feed your trees and shrubs continuously for up to 3 months. For best results apply fertilizer spikes twice a year, once in the spring when plants use a lot of energy producing leaves, blooms, and seeds; and once in the fall when they're storing energy for winter.
A Smarter Way to Fertilize Your Plants: SimplyGro fertilizer spikes are pre-measured so you'll be less likely to over-feed you plants; and there's less likelihood of nutrient loss or leakage which can damage local waterways and ecosystems. Fertilizer spikes nourish below ground, at the roots where plants need it most for lush leaves, vibrant colors, beautiful flowers, and bountiful growth.
Hassle-Free Application: These aren't old, ordinary, crumbly, dusty, oval fertilizer "spikes". They're patented, powerhouse TruSpikes. With TruSpikes there's no need for a plastic cap or special equipment, just hammer the spike in and let it get to work feeding your trees and shrubs. TruSpikes will NOT break, crush or smash... guaranteed!
Made in the USA: Proudly manufactured in the United States to ensure consistent quality and performance.

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8.1

A.M. Leonard

A.M. Leonard Tree Food Stakes for Trees and Shrubs

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Main Highlights

Just one application does it for the year
Easy to use plant food
Contains all the essential nutrients your trees need to maintain proper health
Highly concentrated
Stakes are packaged in a big 40-Pack box

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Our Best Overall Choice

Best Choice

9.7

Miracle-Gro

Miracle-Gro Tree and Shrub Plant Food Spikes - Deciduous, Flowering & Evergreen Tree Fertilizer Spikes, Hydrangeas, and Acid-Loving Plants, 12 Count, 3 lb.

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

LASTING COLOR: Miracle-Gro Tree & Shrub Plant Food Spikes are fertilizer spikes for trees and shrubs; they promote vibrant color and foliage for trees and shrubs in your yard
PROVIDES NUTRITION: These easy-to-use outdoor tree food spikes provide slow release nutrients directly to your trees and shrubs' roots, where they need it most
WHERE TO USE: Use tree spikes with deciduous, flowering and evergreen trees as well as acid-loving plants like hydrangeas, azaleas and magnolias
APPLICATION: Apply the outdoor plant food spikes once in spring and once in fall by placing plant spikes around the tree's drip line with at least 3 ft. between each spike (see packaging for more details)
COVERAGE: This 3 lb. package Miracle-Gro Tree & Shrub Plant Food Spikes includes 12 spikes, enough plant food sticks to feed 3 trees with a 4-ft drip line diameter or 1 tree with a 12-ft. drip line diameter

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