---
product_id: 41926679
title: "Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food"
brand: "espoma"
price: "€ 144.34"
currency: EUR
in_stock: true
reviews_count: 9
category: "Espoma"
url: https://www.desertcart.hr/products/41926679-organic-bio-tone-starter-plus-4-3-3-natural-organic
store_origin: HR
region: Croatia
---

# 4-3-3 NPK ratio for balanced growth Dual endo & ecto mycorrhizae for root vitality Made in USA with organic certification Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food

**Brand:** espoma
**Price:** € 144.34
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food by espoma
- **How much does it cost?** € 144.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/41926679-organic-bio-tone-starter-plus-4-3-3-natural-organic)

## 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

- • **Symbiotic Root Power:** Enhanced with both endo & ecto mycorrhizae to supercharge nutrient absorption and soil health.
- • **Plug & Play Plant Food:** Ready-to-use granules that mix effortlessly into soil—no extra prep needed.
- • **Trusted Legacy Since 1929:** Espoma’s proven expertise ensures premium quality and consistent results every season.
- • **Certified Organic & Eco-Friendly:** 100% natural ingredients, free from toxic chemicals, perfect for conscious gardeners.
- • **Kickstart Every Plant’s Journey:** Optimized 4-3-3 formula fuels seedlings and transplants for rapid, healthy growth.

## Overview

Espoma Organic Bio-Tone Starter Plus is a premium 18 lb. organic plant food featuring a balanced 4-3-3 NPK ratio enriched with both endo and ecto mycorrhizae. Designed for planting and transplanting, it promotes vigorous root development and healthier plants. Certified organic and made in the USA, this ready-to-use granulated fertilizer supports sustainable gardening with a legacy of quality since 1929.

## Description

Product description

Review: The best fertilizer for new plants, trees - The best fertilizer for planting any plant or tree!!! Definitely worth the $$.
Review: You cannot fail to establish healthy/strong roots & grow a vibrant plant with Espoma Bio-Tone! - I find that everything Espoma works! Bio-Tone puts food and fungi and beneficial bacteria in the soil to almost 100% guarantee healthy roots and a robust plant! Follow their instructions and learn about the needs of what you are planting and everything cared for in this way will do well! I am using their products 20 years and this is my experience! Further you can call them if you get stuck and speak with a horticulturist!

## 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 and requires no mixing.
- 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 | B00G8R6T2W |
| Best Sellers Rank | #27,867 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #840 in Garden Fertilizers |
| Brand | Espoma |
| Brand Name | Espoma |
| Coverage | Medium |
| Customer Reviews | 4.8 out of 5 stars 482 Reviews |
| Global Trade Identification Number | 00050197038188 |
| Included Components | Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food |
| Item Form | Granules |
| Item Type Name | Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food |
| Item Weight | 18 Pounds |
| Manufacturer | Espoma |
| Mixing Ratio | 4:3:3 |
| Model Number | ESPOMA - 143988 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | ESPOMA - 143988 |
| Specific Uses For Product | Organic,Plant Food |
| Target Species | plants |
| UPC | 050197038188 |
| Unit Count | 1.0 Count |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Espoma
- **Global Trade Identification Number:** 00050197038188
- **Item Form:** Granules
- **Item Weight:** 18 Pounds
- **Specific Uses For Product:** Organic,Plant Food

## Images

![Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food - Image 1](https://m.media-amazon.com/images/I/81jMbCwmfwL.jpg)
![Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food - Image 2](https://m.media-amazon.com/images/I/91WDvRa4CgL.jpg)
![Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food - Image 3](https://m.media-amazon.com/images/I/71QeapLnejL.jpg)
![Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food - Image 4](https://m.media-amazon.com/images/I/81I+yJI-s+L.jpg)
![Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food - Image 5](https://m.media-amazon.com/images/I/81p4krz1ImL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ The best fertilizer for new plants, trees
*by M***0 on January 29, 2026*

The best fertilizer for planting any plant or tree!!! Definitely worth the $$.

### ⭐⭐⭐⭐⭐ You cannot fail to establish healthy/strong roots & grow a vibrant plant with Espoma Bio-Tone!
*by R***Z on February 27, 2026*

I find that everything Espoma works! Bio-Tone puts food and fungi and beneficial bacteria in the soil to almost 100% guarantee healthy roots and a robust plant! Follow their instructions and learn about the needs of what you are planting and everything cared for in this way will do well! I am using their products 20 years and this is my experience! Further you can call them if you get stuck and speak with a horticulturist!

### ⭐⭐⭐⭐⭐ Good fertilizer
*by S***H on March 14, 2026*

Good fertilizer

## Frequently Bought Together

- Espoma Organic Bio-Tone Starter Plus 4-3-3 Natural & Organic Starter Plant Food with Both Endo & Ecto Mycorrhizae; 18 lb. Bag; The Ultimate Starter Plant Food
- Espoma Organic Plant-Tone 5-3-3 Natural & Organic All Purpose Plant Food; 36 lb. Bag; The Original Organic Fertilizer for All Flowers, Vegetables, Trees, and Shrubs
- Espoma Organic Evergreen-Tone 4-3-4 Natural & Organic Fertilizer and Plant Food for Evergreen Trees & Shrubs. 18 lb. Bag. Use for Planting & Feeding to Promote Optimum Growth

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---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-06-07*