Product Overview

Jobe’s Bulb & Perennial Fertilizer Spikes

Make sure your landscape is full of healthy plants with beautiful blooms with Jobe’s Fertilizer Spikes for Bulbs & Perennials. Convenient and easy to use, Jobe’s fertilizer spikes provide nutrition underground – where plant roots can use it best. Just insert spikes around plants and the slow-release formula feeds plants for up to 8 weeks. Plus, spikes ensure that nutrients aren’t washed away like surface applied fertilizers. The specially formulated, pre-measured spikes make for fast, easy and mess-free fertilizing. Spikes come in a waterproof, resealable pouch.

Jobe's Bulb & Perennial Fertilizer Spikes
Product Overview

N : 9 P : 12 K : 6

Feeds for 8 weeks

18 spikes

Every 8 weeks

Bulbs and perennials

Features & Benefits

Easy Installation

We want gardening to be enjoyable. That’s why our products make your projects easier – from installing landscape fabrics to applying fertilizer.

Easy to Use

Fertilizes at the roots

No mixing or measuring


Created with non-toxic materials, you can rest easy knowing that your plants – and those who are tending to them – are safe.


A major component of chlorophyll, the compound plants use in photosynthesis. Nitrogen helps plant foliage grow strong with healthy, robust leaves. Critical for the beginning stages of a plant’s life.

Helps plants develop solid root systems and strong, vibrant blooms. Also important in cell division and development of new plant tissue, phosphorus speeds development and maturity.

Important for overall plant health, potassium aids in water movement, producing sweeter, tastier fruits and more robust blooms. A vital component in nutrient absorption, respiration, transpiration and enzyme activity.


Jobe's Organic Fertilizers

Jobes Fertilizer Instructional Video