---
product_id: 494295509
title: "Southern Ag Sulfate of Potash 0-0-50, 5 LB Size: 5 LB"
brand: "root 98 warehouse"
price: "9734 kr"
currency: ISK
in_stock: true
reviews_count: 8
category: "Root 98 Warehouse"
url: https://www.desertcart.is/products/494295509-southern-ag-sulfate-of-potash-0-0-50-5-lb
store_origin: IS
region: Iceland
---

# Boosts plant disease resistance 50% Potassium concentration Enhances winter hardiness Southern Ag Sulfate of Potash 0-0-50, 5 LB Size: 5 LB

**Brand:** root 98 warehouse
**Price:** 9734 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Southern Ag Sulfate of Potash 0-0-50, 5 LB Size: 5 LB by root 98 warehouse
- **How much does it cost?** 9734 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/494295509-southern-ag-sulfate-of-potash-0-0-50-5-lb)

## Best For

- root 98 warehouse enthusiasts

## Why This Product

- Trusted root 98 warehouse brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Garden Hero:** Perfect for vegetables, flowers, shrubs, and turfgrass
- • **Power-Packed Potassium:** 50% pure sulfate of potash for rapid soil correction
- • **Trusted by Garden Pros:** Highly rated with 4.6 stars and proven results
- • **Resilient Roots & Stems:** Strengthens plants to thrive through heat and cold stress
- • **Easy Granular Application:** Simply spread and water in—no spraying needed

## Overview

Southern Ag Sulfate of Potash 0-0-50 is a granular potassium sulfate fertilizer designed to correct potassium deficiencies in a wide range of plants including turfgrass, vegetables, flowers, and shrubs. With a high 50% potassium content, it strengthens plants against disease and environmental stressors like winter cold and summer heat. Easy to apply and highly rated by users, it promotes healthier roots, stems, and tubers for a vibrant, resilient garden.

## Description

Corrects Potassium deficiency in avocado, beans, corn, cherries, citrus, grapes, palms and. roses. Strengthens plants, making them less susceptible to disease and adverse conditions such as winter. CONTAINS: Granular Grade Potassium Sulfate. Not for spraying. USE ON: Vegetables, flowers, shrubs and lawns. FOR Use in potassium low soils. Helps plants form healthier, stronger roots, stems, and tubers. RATE: .5 lb. per 100 sq. ft. APPLICATION: Spread over treatment area and water in. INFO and GUIDES Download Label Download Safety Data Sheet (SDS) You will need Adobe Acrobat Reader to view PDF documents. Download a free copy from the Adobe Web site.

Review: Helps grass recover from heat damage - I bought this because it's supposedly helps with all the damage done this past summer with the high heat. The grass came around at the first rain.
Review: Good stuff - As advertised!! It not the next one and it’s definitely not the worst. Can’t beat the price. I’ll keep buying it over and over. I buy their iron too. They make good products.

## Features

- Strengthens turfgrass and ornamental plants, making them less susceptible to disease & adverse conditions such as winter
- Corrects Potassium deficiency in turfgrass, woody ornamental plants, vegetable plants, flowers.
- CONTAINS: Granular Grade Potassium Sulfate. Not for spraying.
- USE ON: Vegetables, flowers, shrubs and lawns.
- FOR: Use in potassium low soils. Helps plants form healthier, stronger roots, stems, and tubers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #15,165 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #582 in Garden Fertilizers |
| Brand | Root 98 Warehouse |
| Customer Reviews | 4.6 out of 5 stars 233 Reviews |
| Item Form | Granules |
| Item Weight | 5 Pounds |
| Liquid Volume | 2365.88 Milliliters |
| Manufacturer | Root 98 Warehouse |
| Specific Uses For Product | Use in potassium low soils |

## Product Details

- **Brand:** Root 98 Warehouse
- **Item Form:** Granules
- **Item Weight:** 5 Pounds
- **Liquid Volume:** 2365.88 Milliliters
- **Specific Uses For Product:** Use in potassium low soils

## Images

![Southern Ag Sulfate of Potash 0-0-50, 5 LB Size: 5 LB - Image 1](https://m.media-amazon.com/images/I/71kDav07x6L.jpg)

## Questions & Answers

**Q: is this granular or water solulable?**
A: It's granular and it's better than a soluable solution. The release is slower with the granular solution. 
Be careful when you apply to certain plants to not over apply the amount.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Helps grass recover from heat damage
*by L***Y on December 4, 2025*

I bought this because it's supposedly helps with all the damage done this past summer with the high heat. The grass came around at the first rain.

### ⭐⭐⭐⭐⭐ Good stuff
*by J***E on November 23, 2025*

As advertised!! It not the next one and it’s definitely not the worst. Can’t beat the price. I’ll keep buying it over and over. I buy their iron too. They make good products.

### ⭐⭐⭐⭐⭐ WORKS
*by J***O on January 13, 2026*

USE AS DIRECTED

## Frequently Bought Together

- Southern Ag Sulfate of Potash 0-0-50, 5 LB Size: 5 LB
- GS Plant Foods Green Envy Liquid Lawn Food Concentrate – Organic Turf Care for All Grass Types (1 Gallon)
- Organic Kelp Fertilizer by GS Plant Foods - Omri Listed(1 Gallon) - Liquid Kelp Concentrate for Gardens, Lawns & Soil Yields 800+ gallons

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**Shop now:** [https://www.desertcart.is/products/494295509-southern-ag-sulfate-of-potash-0-0-50-5-lb](https://www.desertcart.is/products/494295509-southern-ag-sulfate-of-potash-0-0-50-5-lb)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-26*