10 Best Tree Fertilizing Spikes of 2025

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

April 2026 Edition

Editor's Choice

9.7

Save 10%

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.

10% Off

Editor's bottom line:

“This tree fertilizing 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

Show Price

Picked by 397 people today

9.5

The Old Farmer's Almanac

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

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

Show Price

9.5

The Old Farmer's Almanac

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

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

Show Price

9.2

The Old Farmer's Almanac

The Old Farmer's Almanac Evergreen Tree & Shrub Fertilizer Spikes, 10-4-10 (24 Spikes - 6.0 Lbs)

Main Highlights

EASY APPLICATION: Hammer It In! This is not your old, ordinary, crumbly, dusty, oval shaped fertilizer "spike". This is a patented, powerhouse TruSpike. There's no need for a plastic cap or special equipment with TruSpike, just hammer it in and let it get to work feeding your plants. It will NOT break, crush or smash... guaranteed!
NUTRIENT RICH 10-4-10 FORMULA: Specially formulated to provide essential nutrients for all types of evergreen and fir trees ans shrubs, these 10-4-10 NPK Spikes provide 10% Nitrogen for virogrous, colorful needles and leaves; 4% Phosphorus for bountiful fruiting, coning and flowering; and 10% Potassium for strong roots. In addition your evergreen trees and shrubs will get an extra boost with 6% Magnesium!
CONVENIENT & SIMPLE TO USE: For best results, feed 2 times a year -- early spring and late fall. Depending on climate and plant variety, an additional application in the summer can provide extra nutrition and help protect from summer stress.
NO WASTE OR RUNOFF: Pre-measured The Old Farmer's Almanac Evergreen Tree & Shrub Fertilizer Spikes release nutrition directly into the root zone where plants need it most to help promote stronger trees and shrubs without waste or runoff.

Show Price

9.0

Save 17%

Miracle-Gro

Miracle-Gro Fruit & Citrus Plant Food Spikes - 10-15-15 NPK Easy-To-Use Nutrition for Fruit and Citrus Trees, Plant Fertilizer, 12 Spikes, 3 lb.

17% Off

Main Highlights

Promotes more fruit and lush foliage (vs unfed)
Contains natural ingredients
Feed once per season in Spring and Fall
Also great for use on palm trees
Easy-to-use spikes release nutrients directly into the root zone to help promote strong fruit, citrus, and palm trees

Show Price

Best Value

8.8

Save 25%

Jobes

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

25% Off

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 .

Show Price

8.6

Jobe's Organics

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

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

Show Price

8.3

The Old Farmer's Almanac

The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 12 Spikes - 3 Lbs)

Main Highlights

Fast Acting, Long Lasting, Robust Nutrition: Each 5 Inch TruSpike Fertilizer Spike is packed with nutrition designed for feed your trees, evergreens and shrubs continuously for up to 3 months.
5 Inch TruSpike Packed With Fertilizer... Hammer It In! This is not your old, ordinary, crumbly, dusty, oval shaped fertilizer "spike". This is a patented, powerhouse TruSpike. There's no need for a plastic cap or special equipment with TruSpike, just hammer it in and let it get to work feeding your plants. It will NOT break, crush or smash... guaranteed!
Nutrient Rich 13-3-3 Formula with 13% Nitrogen for virogrous, colorful plants; 3% Phosphorus for bountiful fruiting and blooms; and 3% Potassium for strong roots.
No Waste or Runoff: The Old Farmer's Almanac Fertilizer Spikes release nutrition directly into the root zone where plants need it most to help promote stronger trees and shrubs without waste or runoff.
Simple to use. For best results, feed 2 times a year -- early spring, and late fall -- for continuous fertilization. Depending on climate and plant variety, an additional application in the summer can provide extra nutrition and help protect from summer stress.

Show Price

8.1

The Old Farmer's Almanac

The Old Farmer's Almanac Evergreen Tree & Shrub Fertilizer Spikes, 10-4-10 (12 Spikes - 3.0 Lbs)

Main Highlights

EASY APPLICATION: Hammer It In! This is not your old, ordinary, crumbly, dusty, oval shaped fertilizer "spike". This is a patented, powerhouse TruSpike. There's no need for a plastic cap or special equipment with TruSpike, just hammer it in and let it get to work feeding your plants. It will NOT break, crush or smash... guaranteed!
NUTRIENT RICH 10-4-10 FORMULA: Specially formulated to provide essential nutrients for all types of evergreen and fir trees ans shrubs, these 10-4-10 NPK Spikes provide 10% Nitrogen for virogrous, colorful needles and leaves; 4% Phosphorus for bountiful fruiting, coning and flowering; and 10% Potassium for strong roots. In addition your evergreen trees and shrubs will get an extra boost with 6% Magnesium!
CONVENIENT & SIMPLE TO USE: For best results, feed 2 times a year -- early spring and late fall. Depending on climate and plant variety, an additional application in the summer can provide extra nutrition and help protect from summer stress.
NO WASTE OR RUNOFF: Pre-measured The Old Farmer's Almanac Evergreen Tree & Shrub Fertilizer Spikes release nutrition directly into the root zone where plants need it most to help promote stronger trees and shrubs without waste or runoff.

Show Price

8.1

Jobe's Organics

Jobe's Organics Fertilizer Spikes (Tree and Shrub, 15 Spikes)

Main Highlights

EASY APPLICATION: Pre-measured fertilizer spikes make feeding trees and shrubs simple. Insert around the dripline for mess-free, targeted nutrition with no mixing or measuring required.
ALL-SEASON NOURISHMENT: Designed for use in early spring and late fall, these spikes provide continuous slow-release nutrients to support healthy growth throughout the growing season.
VERSATILE PLANT SUPPORT: Ideal for trees, shrubs, and evergreens, these organic tree fertilizer spikes promote strong roots and vibrant foliage for a variety of landscape plants.
SAFE AND RELIABLE: Follow general fertilizer safety guidelines. Keep out of reach of children and pets, avoid skin and eye contact, and store in a cool, dry place for safe use.
PACKAGE DETAILS: Includes 15 fertilizer sticks per box. Each spike is formulated with a 15-3-3 nutrient ratio and is suitable for a range of plant types, including fruit and flowering trees.

Show Price

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.

10% Off

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

Show Price

Deals are Live

Special Amazon deal ends in: