--- 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: "€ 55.73" currency: EUR in_stock: true reviews_count: 8 category: "Espoma" url: https://www.desertcart.it/products/103796753-espoma-organic-bio-tone-starter-plus-4-3-3-natural store_origin: IT region: Italy --- # 4-3-3 NPK balanced formula Dual endo & ecto mycorrhizae boost 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:** € 55.73 **Availability:** ✅ In Stock ## Summary > 🌿 Grow like a pro, organically unstoppable! ## 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?** € 55.73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/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 - • **Eco-Friendly & Safe:** 100% natural, no toxic sludge—grow green with confidence in your organic garden. - • **Mycorrhizal Powerhouse:** Dual endo & ecto mycorrhizae enhance root growth and nutrient uptake for unstoppable vitality. - • **Proven Legacy Since 1929:** Espoma’s trusted expertise ensures premium quality and consistent results every season. - • **Ready-to-Use Convenience:** Simply mix with soil at planting for instant root zone activation—no guesswork needed. - • **All-in-One Organic Starter:** Perfectly balanced 4-3-3 formula fuels every plant from seedling to transplant. ## Overview Espoma Organic Bio-Tone Starter Plus is a 4 lb. bag of premium organic plant food featuring a balanced 4-3-3 NPK formula enriched with both endo and ecto mycorrhizae. Designed for all plants, it promotes robust root development and nutrient absorption while being safe for organic gardening. Made in the USA by Espoma, a leader in natural organics since 1929, this starter fertilizer is ready to use and ideal for planting and transplanting. ## 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 | #34,613 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,005 in Garden Fertilizers | | Brand | Espoma | | Brand Name | Espoma | | Coverage | Medium | | Customer Reviews | 4.8 out of 5 stars 766 Reviews | | Global Trade Identification Number | 00050197038041 | | Item Form | Granules | | Item Weight | 4 Pounds | | Liquid Volume | 4 Liters | | Manufacturer | Espoma | | Mixing Ratio | 1:25 | | Model Number | BTSP4 | | Number of Items | 1 | | Part Number | BTSP4 | | Specific Uses For Product | Organic,Plant Food | | Target Species | all plants | | UPC | 050197038041 | | Unit Count | 64 Ounce | ## Product Details - **Brand:** Espoma - **Item Form:** Granules - **Item Weight:** 4 Pounds - **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) ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.it/products/103796753-espoma-organic-bio-tone-starter-plus-4-3-3-natural](https://www.desertcart.it/products/103796753-espoma-organic-bio-tone-starter-plus-4-3-3-natural) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-12*