---
product_id: 12789602
title: "FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate"
brand: "foxfarm"
price: "$740.37"
currency: USD
in_stock: true
reviews_count: 13
category: "Fox Farm"
url: https://www.desertcart.us/products/12789602-foxfarm-grow-big-liquid-plant-food-6-4-4-house
store_origin: US
region: United States of America
---

# Fast nutrient absorption 6-4-4 NPK for lush growth 2.5 gallons concentrated formula FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate

**Brand:** foxfarm
**Price:** $740.37
**Availability:** ✅ In Stock

## Summary

> 🌿 Grow Big, Grow Bold — Your plants’ VIP pass to lush, unstoppable growth!

## Quick Answers

- **What is this?** FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate by foxfarm
- **How much does it cost?** $740.37 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/12789602-foxfarm-grow-big-liquid-plant-food-6-4-4-house)

## Best For

- foxfarm enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Nutrient Uptake:** Engineered for instant absorption to fuel your plants’ peak performance.
- • **Stable & Ready-to-Use:** Low pH formula ensures micronutrients stay bioavailable and effective over time.
- • **Effortless Application:** Supports both foliar feeding and watering methods for flexible, hassle-free use.
- • **Versatile Plant Booster:** Perfectly tailored for roses, tomatoes, veggies, and more—indoor or outdoor.
- • **Power-Packed 6-4-4 Formula:** Optimized nutrient blend for vigorous vegetative growth and abundant blooms.

## Overview

FoxFarm Grow Big Liquid Plant Food is a 2.5-gallon concentrated fertilizer with a balanced 6-4-4 NPK ratio designed for fast nutrient uptake and sustained vegetative growth. Ideal for a wide range of plants including roses, tomatoes, and vegetables, it supports both indoor and outdoor gardening with easy application methods and a stable, low pH formula that keeps nutrients readily available.

## Description

desertcart.com : FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate : Fertilizers : Patio, Lawn & Garden

Review: How have I only JUST reviewed this? It's my secret weapon! - How have I only JUST reviewed this? This is basically my secret weapon. I’m half convinced it’s magic in a bottle because everything I use it on suddenly decides to thrive. Plants that were barely hanging on? Revived. New plants? Thriving like they pay rent. It works on everything—indoor plants, outdoor plants, the “I forgot about this in the corner” plants. Foolproof is not an exaggeration. I don’t even try that hard anymore, and somehow I look like I know what I’m doing. I don’t fully understand what’s in it, but whatever the formula is, it’s clearly high quality and actually does what it promises. It mixes easily, no weird smell, no complicated steps—just simple and effective. If you want lush, green, “wow what are you using?” kind of plants without becoming a full-time gardener, this is it. Secretly I think that this is the reason why I didn't review this before - heh.
Review: Works great. I'll never use Miracle grow again - Excellent product, everything in the garden is thriving

## Features

- WATCH YOUR PLANTS FLOURISH: This plant food for vegetables is designed to support growth. Enhance plant size and structure, promoting abundant fruit, flower, and bud development
- INSTANT NUTRIENT ABSORPTION: Formulated for quick nutrient uptake, this liquid vegetable fertilizer helps plants absorb essential nutrients faster. Whether your plants are newly sprouted or established, they’ll get the nourishment they need
- PERFECT FOR A VARIETY OF PLANTS: Ideal for roses, tomatoes, and veggies, this liquid fertilizer caters to a wide range of plants. Its versatile formula is great for both indoor and outdoor plants
- SUSTAINED NUTRIENT DELIVERY: The liquid fertilizer’s low pH maintains stability during storage and ensures micronutrients stay readily available.
- FEED YOUR PLANTS THE EASY WAY: Apply our plant liquid fertilizer easily with foliar feeding or regular watering. Whether you're giving plants a jump start or supporting their peak growth, simply follow the feeding schedule for best results

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002JLCCPO |
| Application Method | watering, foliar feeding |
| Best Sellers Rank | #2,469 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #63 in Garden Fertilizers |
| Brand | FoxFarm |
| Coverage | Full |
| Customer Reviews | 4.8 out of 5 stars 7,800 Reviews |
| Global Trade Identification Number | 00752289790317 |
| Included Components | Bottle |
| Item Form | Liquid |
| Item Type Name | Hydroponic Liquid nutrients |
| Item Weight | 27.9 pounds |
| Liquid Volume | 320 fluid ounces |
| Manufacturer | FoxFarm |
| Mixing Ratio | 3:2:6 |
| Model Number | FX14008 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | FX14008 |
| Specific Uses For Product | Hydroponic |
| Target Species | roses, tomatoes, veggies, flowers, fruits, herbs and lawns |
| UPC | 752289790317 |
| Unit Count | 320 Fluid Ounces |
| Warranty Description | 1-year warranty |

## Product Details

- **Brand:** FoxFarm
- **Item Form:** Liquid
- **Item Weight:** 27.9 pounds
- **Liquid Volume:** 320 fluid ounces
- **Specific Uses For Product:** Hydroponic

## Images

![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate - Image 1](https://m.media-amazon.com/images/I/71XMgMl+pjL.jpg)
![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate - Image 2](https://m.media-amazon.com/images/I/81SOgcT4ltL.jpg)
![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate - Image 3](https://m.media-amazon.com/images/I/71bgxne2muL.jpg)
![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate - Image 4](https://m.media-amazon.com/images/I/818ooeb0MJL.jpg)
![FoxFarm Grow Big Liquid Plant Food - 6-4-4 House Plant Fertilizer for Lush Vegetative Growth, Fast Nutrient Uptake for Roses, Tomatoes & Veggies - 2.5 Gallon Size Concentrate - Image 5](https://m.media-amazon.com/images/I/71xpfI4DkCL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: What are the ingredients?**
A: A brew of Earthworm castings , kelp and other nutrients.  All natural.  It’s awesome for tomatoes and other vegetables.  Don’t forget the Super Bloom as well.

**Q: When do i start using grow big, in what plant stage. Some say two weeks after germination,some say a month(canab.plants)?**
A: FoxFarm recommends you start using Grow Big two to three weeks into veg and follow thru to about three weeks into flower. Go onto their website, they have some good feeding schedules that illustrate this. Good luck

**Q: you say this is organic based. what does this mean? Is it organic or not**
A: This is not a certified organic nutrient. Only their big bloom is omri listed

**Q: is the liquid clear**
A: The liquid is green you can see threw

## Customer Reviews

### ⭐⭐⭐⭐⭐ How have I only JUST reviewed this? It's my secret weapon!
*by M***S on July 2, 2026*

How have I only JUST reviewed this? This is basically my secret weapon. I’m half convinced it’s magic in a bottle because everything I use it on suddenly decides to thrive. Plants that were barely hanging on? Revived. New plants? Thriving like they pay rent. It works on everything—indoor plants, outdoor plants, the “I forgot about this in the corner” plants. Foolproof is not an exaggeration. I don’t even try that hard anymore, and somehow I look like I know what I’m doing. I don’t fully understand what’s in it, but whatever the formula is, it’s clearly high quality and actually does what it promises. It mixes easily, no weird smell, no complicated steps—just simple and effective. If you want lush, green, “wow what are you using?” kind of plants without becoming a full-time gardener, this is it. Secretly I think that this is the reason why I didn't review this before - heh.

### ⭐⭐⭐⭐⭐ Works great. I'll never use Miracle grow again
*by D***. on September 17, 2026*

Excellent product, everything in the garden is thriving

### ⭐⭐⭐⭐⭐ Great plant food!
*by A***I on October 4, 2026*

I was a big user of miracle gro plant food, then I started having problems with some plants, and did my research, turns out miracle gro can leave salts that clog your plants root system stopping uptake of the nutrients. Not a problem for most plants, but certain ones are finicky. This plant food has worked very well.

## Frequently Bought Together

- FoxFarm Grow Big Liquid Plant Food - Bloom Fertilizer for Flowers, Fruits, and Vegetables, Perfect for Indoor & Outdoor Potted Plants, NPK 6-4-4 (2.5 Gallons)
- FoxFarm - Big Bloom Plant Food, Liquid Fertilizer Concentrate for Flowers, Fruits, and Vegetables, All Purpose Plant Fertilizer for Indoor & Outdoor Potted Plants, NPK 0.01-0.03-0.7 (2.5 Gallon)
- FoxFarm Tiger Bloom Liquid Fertilizer Concentrate - Fast Acting Formula for Vicious Growth with Phosphorus - Encourages Fruit, Flower & Bud Development, NPK 2-8-4 (Gallon)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-27*