Espoma Plant-Tone is an all-natural, all-purpose fertilizer made from the finest quality organic ingredients, designed to promote healthy and vibrant growth in flowers, vegetables, trees, and shrubs. This all-natural formula provides essential nutrients in a form that breaks down gradually throughout the growing season, creating a long-lasting food reservoir that feeds plants continuously as they need it. Whether you’re growing a vegetable garden, tending ornamental flowers, or caring for landscape trees and shrubs, Plant-Tone delivers reliable, organic nutrition.
The 5-3-3 NPK formula is enriched with calcium and enhanced by Bio-tone, Espoma’s proprietary blend of beneficial soil microbes. These naturally occurring microbes work to biologically enhance nutrient availability, ensuring that plants can access the nutrition they need for vigorous growth.
Features and Benefits
- Bio-tone Microbes: Contains a proprietary blend of beneficial microbes that naturally enhance nutrient availability and promote superior plant growth.
- 5-3-3 NPK with Calcium: Balanced macro nutrients plus calcium support vigorous growth and healthy development across a wide range of plants.
- Gradual Release Feeding: Natural organic matter breaks down slowly, providing steady nutrition throughout the growing season rather than a quick spike.
- All-Purpose Use: Works on flowers, vegetables, trees, and shrubs with a single, convenient product.
- Made from Finest Organics: Formulated from the finest quality organic materials.
- USA Made: Manufactured in the United States to rigorous quality standards.
Specifications
- Brand: Espoma Organic
- Model: PT4
- Size: 4 lbs.
- NPK Formula: 5-3-3
- Type: Granular, all-natural organic plant food
- Key Ingredient: Bio-tone beneficial microbes








