Description
Miracle-Gro Indoor Plant Food Spikes for All Plants provide slow-release fertilization for indoor houseplants, herbs, and flowers with minimal effort. Each spike contains a 6-12-6 NPK formula enriched with micronutrients including magnesium, sulfur, boron, copper, iron, manganese, and zinc. A single application feeds plants for up to 2 months, making these spikes ideal for low-maintenance plant care routines.
Features
Slow-release 6-12-6 NPK formula feeds indoor plants continuously for up to 2 months per application.
Contains micronutrients including magnesium, sulfur, boron, copper, iron, manganese, and zinc for complete plant nutrition.
Compatible with all indoor container-grown houseplants, herbs, and flowering plants.
Pre-measured spikes eliminate guesswork no liquid mixing or measuring required.
Insert spikes halfway between the plant stem and the pot rim using the included Miracle-Aerator tool.
Helps plants grow healthier and stronger compared to unfed plants when used as directed.
Package contains 24 spikes with coverage varying by pot size: 2 spikes for 34″ pots up to 6 spikes for 1112″ pots.
Specifications
npk: 6-12-6
size: 1.1 oz (24-pack)
fertilizer type: slow-release spikes
feeding duration: up to 2 months per application
additional nutrients: magnesium, sulfur, boron, copper, iron, manganese, zinc
compatible plants: all indoor houseplants, herbs, flowers, vegetables in containers
model: 3421724
How to use
Use the Miracle-Aerator to make a hole halfway between the plant stem and the pot rim.
Place one spike in the hole and press it down until covered with soil.
Water the plant as usual after inserting the spike.
Replace spikes every 2 months throughout the year for consistent feeding.






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