Jobes Tree & Shrub Fertilizer Spikes 15-3-3

Nourish your trees and shrubs with long-lasting, targeted nutrition using Tree & Shrub Fertilizer Spikes 15-3-3. This 5-pack of slow-release spikes delivers a high-nitrogen formula directly to the root zone, supporting vigorous growth, lush foliage, and strong trunk and branch development.

Perfect for both newly planted and established trees and shrubs, these pre-measured spikes are easy to apply and mess-free—providing up to 8 weeks of consistent feeding with no runoff or waste.

Key Features

• High-nitrogen 15-3-3 NPK formula promotes lush foliage and strong growth

• 5 slow-release spikes per bag

• Feeds directly at the root zone for maximum absorption

• Great for evergreens, deciduous trees, and flowering shrubs

• No mixing, measuring, or mess—just insert and water

How to Use

Insert spikes around the tree or shrub’s drip line into moist soil. Use in early spring and late fall for best results. Space evenly for balanced feeding.

Why You’ll Love It

Reliable, no-fuss feeding for your landscape’s biggest stars—trees and shrubs thrive with deep, consistent nutrition all season long.