--- product_id: 147565926 title: "Bloom City SuperMicrobe Root Fertilizer – Liquid Microbial Plant Food for Explosive Root Development, Enhanced Nutrient Uptake & Stronger Plant Establishment, 32 oz" brand: "bloom city" price: "$71.77" currency: USD in_stock: true reviews_count: 8 category: "Bloom City" url: https://www.desertcart.us/products/147565926-bloom-city-supermicrobe-root-fertilizer-liquid-microbial-plant-food-explosive store_origin: US region: United States of America --- # 32 oz liquid for easy dosing Supports explosive root & nutrient uptake 1:750 mixing ratio for precision Bloom City SuperMicrobe Root Fertilizer – Liquid Microbial Plant Food for Explosive Root Development, Enhanced Nutrient Uptake & Stronger Plant Establishment, 32 oz **Brand:** bloom city **Price:** $71.77 **Availability:** ✅ In Stock ## Summary > 🌿 Unlock explosive root growth and vibrant plants with every drop! ## Quick Answers - **What is this?** Bloom City SuperMicrobe Root Fertilizer – Liquid Microbial Plant Food for Explosive Root Development, Enhanced Nutrient Uptake & Stronger Plant Establishment, 32 oz by bloom city - **How much does it cost?** $71.77 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/147565926-bloom-city-supermicrobe-root-fertilizer-liquid-microbial-plant-food-explosive) ## Best For - bloom city enthusiasts ## Why This Product - Trusted bloom city brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Nutrition Delivery:** Easily mix with water or compost tea for targeted, efficient feeding every watering. - • **Sustainable & Clean Gardening:** Made in the USA with eco-friendly, regenerative ingredients for a toxin-free garden. - • **Visible Growth Boost in Weeks:** Experience rapid root hyphae development and lush, deep green foliage that stands out. - • **Microbial Powerhouse for Roots:** Harness beneficial microbes to supercharge root growth and plant resilience. - • **Versatile Indoor & Outdoor Use:** Perfect for houseplants, garden beds, containers, and transplanting routines. ## Overview Bloom City SuperMicrobe Root Fertilizer is a 32 oz liquid microbial plant food designed to enhance root development, nutrient uptake, and overall plant strength. Formulated with beneficial microbes, it supports soil health and is suitable for both indoor and outdoor plants. Easy to use with a 1:750 mixing ratio, it promotes rapid, visible growth and is made sustainably in the USA. ## Description Product description Multiple applications for compost, garden beds, & pots. Use in watering can for precision nutrition. Mix 1tsp. per gallon of water. Use with every watering. Use with hose end sprayer for larger areas. Use a mixing ratio of 1:750 for best results. Apply 2-4 times monthly. Add Root Stimulator to compost or compost tea for nutritious, living soil. Use 1-2 ounces per gallon, pour or spray on compost & mix evenly. Bloom City Values Bloom City gives the power of clean, regenerative gardening to the home grower with full-spectrum plant nutrition for bountiful yields in any growing environment. Our emphasis on environmentally responsible production methods with natural & sustainable input sourcing makes for more bio-available nutrient outputs & safer, cleaner gardens. Bloom City's nutrient systems are everything you need to grow lush, beautiful gardens without harsh chemical fertilizers. Harness the power of regenerative growing practices to create living soil & vibrant plants. Review: SECOND purchase of Bloom City’s Root Fertilizer - The first time I bought this product, I had also bought another product by Bloom City (The Seaweed/Kelp Fertilizer) as well as a few other fertilizers. I saw great results in my vegetable garden, but realized that this didn’t prove the Root Fertilizer’s efficacy due to using multiple products at the same time. So as a second run I bought 3 products by Bloom City but only used the Root Fertilizer on my houseplants. I didn’t notice any difference in plant health/quality or root growth during the first week. But almost overnight, a week after using this product, I noticed not only fresh hyphae root growth, but also plant growth and deep green leaves for plants that seemed to have stayed the same size and looked unhealthy for a year or more. Anyway, this was extremely user friendly, lacks any odor making it perfect for indoor as well as outdoor plants, albeit, a bit expensive for the quantity provided. But overall, if you can afford it, it’s well worth the extra cost. Review: good stuff for newly planted and transplanted plants - I just bought a few new plants for this year, tomato, jalapeno, and 3 blueberry plants. They all were small in those very small round pots but i transplanted into pots that were at least 5 gallon or bigger. I used this to stimulate root growth and overall growth of my fruit/vegetable plants. My jalapeno grew from like 8" tall to over 3ft tall with like 20 jalapenos already in 3 months. My tomato plant is growing small cherry tomatoes already as well. My blueberry plants grew at least double in size from frail small green plants about 6" long to multiple branches at least double that now over 12" long branches and looking healthy. You only need very little and i only have giving it for about 3 times now, so it works well. I use a large pitcher and mix like 2 table spoons and fill the pitcher and then pour on all my fruit/vegetable plants/trees and that's it, super easy to use. 5 stars. ## Features - Made for Root & Soil Support – Formulated with beneficial microbes to support healthy root development. - Supports Nutrient Uptake & Plant Strength – Helps improve root efficiency and overall plant performance. - Microbial Nutrition for Soil Health – Encourages active soil biology and balanced plant growth. - Ideal for Indoor & Outdoor Plants – Suitable for gardens, containers, and transplanting routines. - Made in USA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07PHVYY86 | | Best Sellers Rank | #37,986 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,034 in Garden Fertilizers | | Brand | Bloom City | | Brand Name | Bloom City | | Coverage | Full | | Customer Reviews | 4.5 out of 5 stars 762 Reviews | | Item Form | Liquid | | Item Weight | 32 Ounces | | Liquid Volume | 32 Fluid Ounces | | Manufacturer | Bloom City | | Mixing Ratio | Mixed with compost teas, starters, or watering solutions | | Model Number | BloomCity-SuperMicrobe-RS | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | root-32-fba-upc-0422 | | Specific Uses For Product | Organic,Rooting | | Target Species | Fish | | UPC | 841401125493 | | Unit Count | 32 Ounce | ## Product Details - **Brand:** Bloom City - **Item Form:** Liquid - **Item Weight:** 32 Ounces - **Liquid Volume:** 32 Fluid Ounces - **Specific Uses For Product:** Organic,Rooting ## Images ![Bloom City SuperMicrobe Root Fertilizer – Liquid Microbial Plant Food for Explosive Root Development, Enhanced Nutrient Uptake & Stronger Plant Establishment, 32 oz - Image 1](https://m.media-amazon.com/images/I/71rXUqRY15L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ SECOND purchase of Bloom City’s Root Fertilizer *by M***A on October 2, 2024* The first time I bought this product, I had also bought another product by Bloom City (The Seaweed/Kelp Fertilizer) as well as a few other fertilizers. I saw great results in my vegetable garden, but realized that this didn’t prove the Root Fertilizer’s efficacy due to using multiple products at the same time. So as a second run I bought 3 products by Bloom City but only used the Root Fertilizer on my houseplants. I didn’t notice any difference in plant health/quality or root growth during the first week. But almost overnight, a week after using this product, I noticed not only fresh hyphae root growth, but also plant growth and deep green leaves for plants that seemed to have stayed the same size and looked unhealthy for a year or more. Anyway, this was extremely user friendly, lacks any odor making it perfect for indoor as well as outdoor plants, albeit, a bit expensive for the quantity provided. But overall, if you can afford it, it’s well worth the extra cost. ### ⭐⭐⭐⭐⭐ good stuff for newly planted and transplanted plants *by M***O on August 19, 2023* I just bought a few new plants for this year, tomato, jalapeno, and 3 blueberry plants. They all were small in those very small round pots but i transplanted into pots that were at least 5 gallon or bigger. I used this to stimulate root growth and overall growth of my fruit/vegetable plants. My jalapeno grew from like 8" tall to over 3ft tall with like 20 jalapenos already in 3 months. My tomato plant is growing small cherry tomatoes already as well. My blueberry plants grew at least double in size from frail small green plants about 6" long to multiple branches at least double that now over 12" long branches and looking healthy. You only need very little and i only have giving it for about 3 times now, so it works well. I use a large pitcher and mix like 2 table spoons and fill the pitcher and then pour on all my fruit/vegetable plants/trees and that's it, super easy to use. 5 stars. ### ⭐⭐⭐⭐⭐ Love *by K***Y on March 28, 2026* It works really well when I'm done using this bottle I will order me some more my plants arthriting I'm very healthy roots my plans are in good health ## Frequently Bought Together - Organic Root Stimulant, Salmon and Kelp Formula, Rich with Microbes and Mycorrhizae by Bloom City, Quart (32 oz) - Organic Earthworm Tea Concentrate and Compost and Bokashi Booster by Bloom City, Quart (32 oz) - Bloom City Organic Liquid Seaweed and Kelp Fertilizer Supplement, Quart (32 oz) Concentrated Makes 180 Gallons --- ## 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.us/products/147565926-bloom-city-supermicrobe-root-fertilizer-liquid-microbial-plant-food-explosive](https://www.desertcart.us/products/147565926-bloom-city-supermicrobe-root-fertilizer-liquid-microbial-plant-food-explosive) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-04*