---
product_id: 574288142
title: "Humboldts Secret Everything Growing 20-20-20 Fertilizer | All Purpose Water Soluble Plant Food | Balanced NPK with Norwegian Kelp | for Lawns Gardens, Vegetables, Flowers & Indoor Plants | 2 lb"
brand: "humboldts secret"
price: "€ 81.02"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/574288142-humboldts-secret-everything-growing-20-20-20-fertilizer-all-purpose
store_origin: SK
region: Slovakia
---

# Enriched with Norwegian kelp & micronutrients Balanced 20-20-20 NPK for all plants Instantly water-soluble for easy feeding Humboldts Secret Everything Growing 20-20-20 Fertilizer | All Purpose Water Soluble Plant Food | Balanced NPK with Norwegian Kelp | for Lawns Gardens, Vegetables, Flowers & Indoor Plants | 2 lb

**Brand:** humboldts secret
**Price:** € 81.02
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock your garden’s full potential with every feed!

## Quick Answers

- **What is this?** Humboldts Secret Everything Growing 20-20-20 Fertilizer | All Purpose Water Soluble Plant Food | Balanced NPK with Norwegian Kelp | for Lawns Gardens, Vegetables, Flowers & Indoor Plants | 2 lb by humboldts secret
- **How much does it cost?** € 81.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/574288142-humboldts-secret-everything-growing-20-20-20-fertilizer-all-purpose)

## Best For

- humboldts secret enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Application:** Dissolves instantly for smooth mixing and even nutrient delivery every time.
- • **Root to Bloom Vitality:** Supports strong roots and lush foliage for vibrant, healthy plants across all types.
- • **Kelp-Infused Growth Boost:** Fortified with Norwegian kelp and essential micronutrients for enhanced absorption and resilience.
- • **Versatile Plant Nourishment:** Ideal for lawns, gardens, vegetables, flowers, and indoor plants—your year-round growth partner.
- • **All-in-One Nutrient Powerhouse:** Feeds roots, leaves, and blooms with a perfectly balanced 20-20-20 formula.

## Overview

Humboldts Secret Everything Growing 20-20-20 Fertilizer is a premium, water-soluble all-purpose plant food that delivers balanced nitrogen, phosphorus, and potassium enriched with Norwegian kelp and vital micronutrients. Designed for effortless mixing and application, it nourishes a wide range of plants—from lawns and vegetables to flowers and indoor greenery—promoting strong roots, vibrant foliage, and sustained growth throughout the season.

## Description

Humboldts Secret Everything Growing 20-20-20 Fertilizer | All Purpose Water Soluble Plant Food | Balanced NPK with Norwegian Kelp | for Lawns Gardens, Vegetables, Flowers & Indoor Plants | 2 lb

## Features

- Feeds Every Plant from Root to Leaf: Our Everything Growing formula delivers a balanced 20 20 20 fertilizer blend that nourishes plants at every stage. It strengthens roots, enhances foliage, and promotes vibrant results for lawns, vegetables, flowers, fruit trees, and indoor plants all season long.
- Mixes Instantly for Quick Easy Feeding: This water soluble fertilizer dissolves fast for smooth and even application. It can be mixed with water or applied through sprayers and spreaders, providing consistent nutrient delivery for all types of plants with minimal effort and maximum efficiency.
- Supports Strong Roots and Lush Growth: Formulated with nitrogen, phosphorus, and potassium, this balanced fertilizer delivers the essential macronutrients plants need for strong root systems, vigorous foliage, and colorful blooms. It provides steady nutrition for long-lasting vitality and performance.
- Fortified with Kelp and Essential Micronutrients: Our 20-20-20 water soluble fertilizer is enriched with soluble kelp, boron, chelated iron, and molybdenum. These vital micronutrients enhance nutrient absorption and soil quality, helping plants remain productive, resilient, and full of vitality.
- Provides Consistent Nutrition for Every Plant: This npk fertilizer 20 20 20 from Humboldts Secret offers reliable nourishment for lawns, gardens, trees, herbs, flowers, and houseplants. Made in the USA, Everything Growing supports lasting plant health and balanced feeding across all growing environments.

## Product Details

- **Brand:** Humboldts Secret
- **Item Weight:** 2 Pounds
- **Item Form:** Powder
- **Manufacturer:** Humboldts Secret
- **Number of Items:** 1

## Images

![Humboldts Secret Everything Growing 20-20-20 Fertilizer | All Purpose Water Soluble Plant Food | Balanced NPK with Norwegian Kelp | for Lawns Gardens, Vegetables, Flowers & Indoor Plants | 2 lb - Image 1](https://m.media-amazon.com/images/I/71PCGp2qM3L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.sk/products/574288142-humboldts-secret-everything-growing-20-20-20-fertilizer-all-purpose](https://www.desertcart.sk/products/574288142-humboldts-secret-everything-growing-20-20-20-fertilizer-all-purpose)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-09*