---
product_id: 182658621
title: "20lb 16-16-16 Fertilizer"
brand: "knox fertilizer"
price: "€ 250.99"
currency: EUR
in_stock: true
reviews_count: 8
category: "Knox Fertilizer"
url: https://www.desertcart.be/products/182658621-20lb-16-16-16-fertilizer
store_origin: BE
region: Belgium
---

# Fast-acting formula Balanced 16-16-16 NPK ratio Versatile for all plants 20lb 16-16-16 Fertilizer

**Brand:** knox fertilizer
**Price:** € 250.99
**Availability:** ✅ In Stock

## Summary

> 🌿 Feed your garden like a pro—fast, balanced, unstoppable growth!

## Quick Answers

- **What is this?** 20lb 16-16-16 Fertilizer by knox fertilizer
- **How much does it cost?** € 250.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/182658621-20lb-16-16-16-fertilizer)

## Best For

- knox fertilizer enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Green-Up Power:** Experience quick, vibrant growth with every application.
- • **Trusted by Gardeners:** Highly rated with 4.6 stars—join thousands who never skip their bi-monthly feed.
- • **Long-Lasting Granules:** Easy to spread and slow-release for sustained feeding throughout the growing season.
- • **Perfect 3-Way Nutrition:** Balanced nitrogen, phosphorus, and potash for all-around plant health.
- • **Universal Plant Booster:** Ideal for trees, shrubs, flowers, and garden beds—one fertilizer to rule them all.

## Overview

Knox Fertilizer’s 20lb 16-16-16 all-purpose fertilizer delivers a fast-acting, balanced nutrient boost with equal parts nitrogen, phosphorus, and potash. Perfect for a wide range of plants including trees, shrubs, and flowers, its granule form ensures easy application and slow-release feeding. Trusted by gardeners for consistent, vigorous growth and a vibrant green-up every season.

## Description

Fast acting, all purpose fertilizer. Provides quick green-up. Contains nitrogen, phosphorus, & potash for 3-way feeding. Features proper ratios of these 3 ingredients to promote vigorous plant growth. Ideal for use on trees, shrubs, flower beds, & gardens. Coverage will depend on the what type of plant or tree is being fertilized.

Review: Every type of plant fertilizer - Overall great fertilizer. Use it on all your plants. Never over fertilizer. I use it every 2 months during growing season. Always water in after application.
Review: Slow release fertilizer - I love this stuff for my garden. Easy to spread lasts a long time.

## Features

- Fast acting, all purpose fertilizer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07K5627R1 |
| Best Sellers Rank | #71,952 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,635 in Garden Fertilizers |
| Brand | Knox Fertilizer |
| Brand Name | Knox Fertilizer |
| Coverage | 20 |
| Customer Reviews | 4.6 out of 5 stars 43 Reviews |
| Item Form | Granules |
| Item Type Name | 16-16-16 Fertilizer |
| Item Weight | 20 Pounds |
| Manufacturer | KNOX FERTILIZER |
| Mixing Ratio | 16-16-16 |
| Model Number | TP45009 |
| Number of Packs | 1 |
| Part Number | TP45009 |
| Specific Uses For Product | Plant Growth |
| Target Species | plants |
| UPC | 089146002642 |
| Unit Count | 320.0 Ounce |

## Product Details

- **Brand:** Knox Fertilizer
- **Item Form:** Granules
- **Item Weight:** 20 Pounds
- **Number of Packs:** 1
- **Specific Uses For Product:** Plant Growth

## Images

![20lb 16-16-16 Fertilizer - Image 1](https://m.media-amazon.com/images/I/61Efg2oVPcL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Every type of plant fertilizer
*by W***N on June 14, 2026*

Overall great fertilizer. Use it on all your plants. Never over fertilizer. I use it every 2 months during growing season. Always water in after application.

### ⭐⭐⭐⭐⭐ Slow release fertilizer
*by A***R on June 11, 2026*

I love this stuff for my garden. Easy to spread lasts a long time.

### ⭐⭐⭐⭐⭐ Works great
*by A***R on May 18, 2026*

This fertilizer was so effective on my grass. Took care of dandelions and brought new green grass growth to my lawn. The lawn looks equal and great now.

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**Shop now:** [https://www.desertcart.be/products/182658621-20lb-16-16-16-fertilizer](https://www.desertcart.be/products/182658621-20lb-16-16-16-fertilizer)

---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-08-02*