---
product_id: 103796753
title: "Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food"
brand: "espoma"
price: "€ 54.16"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.sk/products/103796753-espoma-organic-bio-tone-starter-plus-4-3-3-natural
store_origin: SK
region: Slovakia
---

# 4-3-3 NPK for balanced growth Dual endo & ecto mycorrhizae boost roots Made in USA, trusted since 1929 Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food

**Brand:** espoma
**Price:** € 54.16
**Availability:** ❌ Out of Stock

## Summary

> 🌿 Grow smarter, not harder — the organic edge your garden deserves!

## Quick Answers

- **What is this?** Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food by espoma
- **How much does it cost?** € 54.16 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/103796753-espoma-organic-bio-tone-starter-plus-4-3-3-natural)

## Best For

- espoma enthusiasts

## Why This Product

- Trusted espoma brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Legacy of Excellence:** From Espoma, a pioneer in organic gardening since 1929, ensuring quality and reliability you can trust.
- • **Balanced Nutrient Powerhouse:** Optimized 4-3-3 formula fuels every stage of plant growth with essential nitrogen, phosphorus, and potassium.
- • **Certified Organic & Eco-Safe:** 100% natural ingredients, free from toxic chemicals, perfect for organic gardening and sustainable lifestyles.
- • **Root Revival with Mycorrhizae:** Enhanced with both endo and ecto mycorrhizae to supercharge root development and nutrient absorption.
- • **Universal Plant Compatibility:** Ideal for all plants—shrubs, perennials, annuals, and seedlings—making it your go-to starter fertilizer.

## Overview

Espoma Organic Bio-Tone Starter Plus is a 4 lb. bag of premium organic starter fertilizer with a balanced 4-3-3 NPK ratio, enriched with both endo and ecto mycorrhizae to enhance root growth. Certified for organic gardening and made in the USA by a trusted brand since 1929, it’s designed for use with all plants during planting or transplanting to ensure vigorous, healthy growth without harmful chemicals.

## Description

desertcart.com : Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food : Patio, Lawn & Garden

Review: Excellent product! - I have been using Espoma Starter Fertilizer ever since I was introduced by Laura from Garden Answer. It's a game changer...my plants grows so much better. I used it on shrubs, perennial and annuals. I been using it for more than 5 years now.
Review: Starter fertilizer - Great seed starting fertilizer.

## Features

- FOR EVERYTHING YOU PLANT: Use Bio-tone Starter Plus fertilizer when planting / transplanting all plants.
- CONTAINS: Bio-tone Starter Plus is a rich blend of the finest natural & organic ingredients enhanced with both endo & ecto mycorrhizae and our exclusive Bio-tone formula; 4-3-3 Fertilizer analysis with 5% calcium. Bio-tone Starter Plus is environmentally Safe - No sludges or toxic ingredients.
- WHEN / HOW TO USE: Use Bio-tone Starter Plus fertilizer when planting / transplanting. Mix thoroughly with soil used to backfill the planting hole so the Bio-tone Starter Plus is in the plant root zone. It is ready to use.
- FOR ORGANIC GARDENING: Bio-tone Starter Plus is approved for organic gardening; It is a registered Organic Input Material meaning it meets all requirements for organic production.
- MADE IN THE USA: Product of the Espoma Company. The leader in natural organics since 1929.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00NOG62EA |
| Best Sellers Rank | #173,200 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #3,045 in Garden Fertilizers |
| Brand | Espoma |
| Brand Name | Espoma |
| Coverage | Medium |
| Customer Reviews | 4.8 out of 5 stars 764 Reviews |
| Global Trade Identification Number | 00050197038041 |
| Item Form | Granules |
| Item Height | 12 inches |
| Item Weight | 4 Pounds |
| Liquid Volume | 4 Liters |
| Manufacturer | Espoma |
| Mixing Ratio | 1:25 |
| Model Number | BTSP4 |
| Specific Uses For Product | Organic,Plant Food |
| Target Species | all plants |
| UPC | 050197038041 |
| Unit Count | 64 Ounce |

## Product Details

- **Brand:** Espoma
- **Item Weight:** 4 Pounds
- **Item Form:** Granules
- **Liquid Volume:** 4 Liters
- **Specific Uses For Product:** Organic,Plant Food

## Images

![Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food - Image 1](https://m.media-amazon.com/images/I/81-IJdtBidL.jpg)
![Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food - Image 2](https://m.media-amazon.com/images/I/81-e4XqltIL.jpg)
![Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food - Image 3](https://m.media-amazon.com/images/I/81I+yJI-s+L.jpg)
![Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food - Image 4](https://m.media-amazon.com/images/I/81Oj+VfvtSL.jpg)
![Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food - Image 5](https://m.media-amazon.com/images/I/81e-9QdE6jL.jpg)

## Available Options

This product comes in different **Number Of Items** options.

## Questions & Answers

**Q: Is this useful for annual potted flowers as well?**
A: Yes, it helps establish a strong root system for annuals and perennials.

**Q: This Bio Tone says it is an 8 lb. bag,but when checking out it says 4 lb.  Which price is correct?.**
A: I am not sure for that but you can always contact saller.

**Q: Does this attract slugs? I have a real problem with slugs in my garden and I don't want to attract them more**
A: No. It is put into the planting hole then cover by the plant or tree. Great treatment for slugs is Bug-Geta.

**Q: Does this help with the lawn?**
A: I’ve never used it on the lawn, only used it when potting or repotting plants. This is the best starter fertilizer I have ever used. My plants took off in growth and blooms!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent product!
*by A***G on April 10, 2024*

I have been using Espoma Starter Fertilizer ever since I was introduced by Laura from Garden Answer. It's a game changer...my plants grows so much better. I used it on shrubs, perennial and annuals. I been using it for more than 5 years now.

### ⭐⭐⭐⭐⭐ Starter fertilizer
*by M***N on May 1, 2025*

Great seed starting fertilizer.

### ⭐⭐⭐⭐⭐ Works for seeds
*by S***. on October 6, 2023*

I've been using this to start my garden seeds and repotting seedling. It definitely helps with growth. Easy to use and I don't need a lot for it to work so it lasts.

## Frequently Bought Together

- Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 4 lb. Bag; The Ultimate Starter Plant Food
- Espoma Organic Plant-Tone 5-3-3 Natural & Organic All Purpose Plant Food; 4 lb. Bag; The Original Organic Fertilizer for All Flowers, Vegetables, Trees, and Shrubs. - Pack of 2
- Espoma Organic Rose-Tone 4-3-2 Organic Fertilizer for All Types of Roses and Other Flowering Plants. Promotes Vigorous Green Growth and Abundant Blooms. 4 lb. Bag - Pack of 2

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-08*