---
product_id: 693820154
title: "GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)"
brand: "gardenwise"
price: "2597 kr"
currency: ISK
in_stock: true
reviews_count: 9
category: "Gardenwise"
url: https://www.desertcart.is/products/693820154-gardenwise-slow-release-hydrangea-fertilizer-with-iron-and-sulfur-indoor
store_origin: IS
region: Iceland
---

# Slow-release nutrients for 3 months 8-4-8 balanced NPK for vibrant blooms Iron & sulfur boost soil acidity GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)

**Brand:** gardenwise
**Price:** 2597 kr
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock the secret to envy-worthy blooms with every sprinkle!

## Quick Answers

- **What is this?** GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz) by gardenwise
- **How much does it cost?** 2597 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/693820154-gardenwise-slow-release-hydrangea-fertilizer-with-iron-and-sulfur-indoor)

## Best For

- gardenwise enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Garden Glow-Up:** Just sprinkle and water—no green thumb required. Watch your plants thrive with minimal effort and maximum impact.
- • **Tailored Acidic Nutrition:** Specially crafted for hydrangeas and acid-loving plants, ensuring lush foliage and robust health every season.
- • **Indoor & Outdoor Versatility:** Whether your garden is inside or out, this fertilizer adapts to any environment, keeping your plants flourishing year-round.
- • **Steady Nourishment, Less Fuss:** Slow-release granules feed your plants consistently for up to three months, cutting down on reapplication stress.
- • **Bloom Brilliance, All Year Round:** Balanced 8-4-8 formula fuels vivid, long-lasting flowers that make your garden the envy of the neighborhood.

## Overview

GARDENWISE Slow Release Hydrangea Fertilizer is a 12 oz granular formula designed to enhance soil acidity and deliver balanced nutrients (8-4-8 NPK) enriched with iron and sulfur. Perfect for acid-loving plants like hydrangeas, azaleas, and camellias, it provides steady nourishment for up to three months, suitable for both indoor and outdoor gardening.

## Description

desertcart.com : GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz) : Patio, Lawn & Garden

Review: smh - excellent experience
Review: Saved my plants - Saved my babies!! Moved to a new climates 2 yrs ago...this year, for the first time since potting over 15 yrs ago were dropping yellow leaves, looked horrible....since starting Gardenwise, my babies are lush and green with beautiful blooms.....thank you thank you...they were starts from my grandmother's original plants on the family farm ....

## Features

- 🌸 SPECTACULAR BLOOMS ALL YEAR: Promote vivid flowers with our balanced 8-4-8 formula, enriched with iron and sulfur for enhanced soil acidity and brighter, healthier blooms.
- 🌱 TAILORED FOR ACID-LOVING PLANTS: Ideal for hydrangeas, azaleas, camellias, and magnolias, providing essential nutrients for lush foliage and robust health.
- 🛠️ EFFORTLESS APPLICATION: Designed for gardeners of all levels—simply sprinkle, water, and watch your garden flourish with minimal effort.
- 💧 LONG-LASTING NOURISHMENT: Slow-release formula reduces application frequency while delivering steady nutrients for up to three months.
- 🏡 VERSATILE AND RELIABLE: Perfect for indoor and outdoor use, ensuring your garden thrives in any season and any climate.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DNV3GGTQ |
| Best Sellers Rank | #250 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #8 in Garden Fertilizers |
| Brand | GARDENWISE |
| Brand Name | GARDENWISE |
| Coverage | Depends on the condition and size of the plants. |
| Customer Reviews | 4.4 out of 5 stars 632 Reviews |
| Included Components | 1 Bag of Hydrangea Acidic Fertilizer |
| Item Form | Granules |
| Item Weight | 12 ounces |
| Liquid Volume | 12 fluid ounces |
| Manufacturer | Summit Sales Company LLC |
| Mixing Ratio | 8-4-8 |
| Model Number | GRN-08-04-08-HDR |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | FERT-001 |
| Specific Uses For Product | Perfect for enhancing vibrant blooms, lush foliage, and healthy roots in hydrangeas, azaleas, camellias, and other acid-loving plants, both indoors and outdoors Specific Uses For Product Perfect for enhancing vibrant blooms, lush foliage, and healthy roots in hydrangeas, azaleas, camellias, and other acid-loving plants, both indoors and outdoors See more |
| Target Species | Ideal for hydrangeas, azaleas, camellias, magnolias, and other acid-loving plants. |
| UPC | 371127320297 |
| Unit Count | 12 Ounce |

## Product Details

- **Brand:** GARDENWISE
- **Item Form:** Granules
- **Item Weight:** 12 Ounces
- **Liquid Volume:** 12 Fluid Ounces

## Images

![GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz) - Image 1](https://m.media-amazon.com/images/I/711hNCoVumL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ smh
*by S***N on August 23, 2026*

excellent experience

### ⭐⭐⭐⭐⭐ Saved my plants
*by A***R on July 4, 2026*

Saved my babies!! Moved to a new climates 2 yrs ago...this year, for the first time since potting over 15 yrs ago were dropping yellow leaves, looked horrible....since starting Gardenwise, my babies are lush and green with beautiful blooms.....thank you thank you...they were starts from my grandmother's original plants on the family farm ....

### ⭐⭐⭐⭐⭐ We'll see
*by D***Y on July 20, 2026*

Not much at all in the bag ! One application for the hydrangea tree and it's gone. We'll see what kind of growth I get but wow poor price for small amount.

## Frequently Bought Together

- GARDENWISE Slow Release Hydrangea Fertilizer with Iron & Sulfur – Indoor & Outdoor Soil Acidifier for Miracle Growth (12 oz)
- Miracle-Gro Water Soluble All Purpose Plant Food, Plant Fertilizer for Indoor or Outdoor Plants, Roses, Flowers, Houseplants, Vegetables and Trees, 1.5 lb.
- Scotts Rose & Bloom Continuous Release Plant Food, 3 lb

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-09-10*