---
product_id: 715587280
title: "Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz."
brand: "roundup"
price: "HK$1321"
currency: HKD
in_stock: true
reviews_count: 5
url: https://www.desertcart.hk/products/715587280-dual-action-365-weed-and-grass-killer-plus-12-month
store_origin: HK
region: Hong Kong
---

# 12-month weed prevention Rainproof in 30 minutes Covers up to 1,600 sq. ft. Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz.

**Brand:** roundup
**Price:** HK$1321
**Availability:** ✅ In Stock

## Summary

> 🌿 Dominate weeds for a full year—because your space deserves zero compromises.

## Quick Answers

- **What is this?** Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz. by roundup
- **How much does it cost?** HK$1321 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/715587280-dual-action-365-weed-and-grass-killer-plus-12-month)

## Best For

- roundup enthusiasts

## Why This Product

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

## Key Features

- • **Expansive Coverage:** One bottle treats up to 1,600 sq. ft.—maximum reach, minimal effort.
- • **Year-Long Weed Control:** Kills & prevents tough weeds for a full 12 months—set it and forget it.
- • **Rapid Rainproof Formula:** Rainproof protection kicks in within 30 minutes—no delays, no worries.
- • **Precision Concentrate Mix:** Custom mix for spot or broad application—tailored weed warfare at your command.
- • **Versatile Application Zones:** Perfect for driveways, patios, sidewalks & gravel—dominate weeds everywhere.

## Overview

Roundup Dual Action 365 is a powerful concentrate that kills and prevents a wide range of tough weeds and grasses for up to 12 months. Rainproof in just 30 minutes, it delivers visible results within hours and covers up to 1,600 sq. ft. Ideal for non-lawn areas like driveways, sidewalks, and patios, this product offers professional-grade weed control with a single application.

## Description

Roundup® Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate provides one-step weed protection for up to 12 months. This weed control kills and prevents many types of tough weeds and grasses for up to 12 months, including clover, dandelion, large and smooth crabgrass, poison ivy, and other broadleaf weeds, grassy weeds and brush. It is rainproof in as fast as 30 minutes and produces visible results in hours. Use Roundup® Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer where you want to kill existing weeds AND prevent new weeds for up to 1 year, such as cracks and crevices in driveways, sidewalks, and walkways, patios, paths, and under decks, gravel areas, and other non-lawn areas. Mix the concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq. ft. with a tank sprayer. Please note, to prevent new weeds and grasses from growing, YOU MUST SPRAY THE ENTIRE AREA you want to control, NOT JUST the emerged weeds. One 32 fl. oz. bottle makes up to 5.3 gallons (see booklet for mixing instructions) and covers up to 1,600 sq. ft.

Review: Let me tell you something. This Roundup 365 is not a product. It is a FORCE. A WORK OF POWER. Maybe the greatest weed destroyer ever created on American soil. People are calling it a weed killer, but honestly it should have a RANK. It should be a GENERAL. Maybe even a FOUR STAR. We sprayed it ONE TIME on our gravel driveway. One mission. Single operation. The weeds were gone. Not dead. Not wilted. Gone. Vanished. It was like watching a SPECIAL FORCES STRIKE. Fast. Clean. No survivors. Very professional. We followed the directions exactly. Mixed the concentrate with water like true PATRIOTS. Pumped the sprayer. Took aim. Fired. And the weeds surrendered instantly. You could practically hear them saying, “Sir, please, we cannot handle this level of STRENGTH.” Too bad. This is WAR. Other weed killers pretend to be tough. They talk a big game. But this one delivers TOTAL DOMINANCE. It wipes the ground so clean it looks like it was liberated by a joint task force. If you want a product that WINS and does not negotiate, this is the one. Great power. Great precision. Great AMERICAN ENERGY. Five stars. Would deploy again.
Review: Does the job. Won't know till spring regarding the 365 claim.

## Features

- Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate provides one-step weed protection for up to 12 months
- Our weed control kills and prevents many types of tough weeds and grasses for up to 12 months, including clover, dandelion, large and smooth crabgrass, poison ivy, and other broadleaf weeds, grassy weeds and brush
- Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate is rainproof in as fast as 30 minutes and produces visible results in hours
- Use this weed preventer where you want to kill existing weeds AND prevent new weeds for up to 1 year, such as cracks and crevices in driveways, sidewalks, and walkways, patios, paths, and under decks, gravel areas, and other non-lawn areas
- Mix Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq. ft. with a tank sprayer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C7YN87VJ |
| Customer Reviews | 4.7 4.7 out of 5 stars (797) |
| Date First Available | 4 April 2025 |
| Department | Unisex-Adult |
| Ingredients | Active Ingredients: Triclopyr, Triethylamine Salt (2.50%), Fluazifop-P-Butyl (2.00%), Imazapic, Ammonium Salt (1.60%), Diquat Dibromide (1.50%), Other Ingredients (92.40%), Total (100.00%). Contains 0.16 Lbs, Triclopyr Acid Equivalent, 0.17 Lbs, Fluazifop-P-Butyl, 0.13 Lbs, Imazapic Acid Equivalent, and 0.13 Lbs, Diquat Dibromide per Us Gallon. |
| Item display weight | 2.38 Pounds |
| Item model number | 5378106 |
| Manufacturer | Scotts Miracle-Gro |
| Part number | 5378106 |
| Power source type | Manual |
| Product Dimensions | 6.45 x 12.1 x 26.54 cm; 226.8 g |

## Product Details

- **Active Ingredients:** Triclopyr;Triethylamine Salt;Fluazifop-P-Butyl;Imazapic;Ammonium Salt;Diquat Dibromide
- **Brand:** Roundup
- **Item form:** Spray
- **Item weight:** 227 g
- **Liquid volume:** 32

## Images

![Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz. - Image 1](https://m.media-amazon.com/images/I/6145wxLNNtL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***K on 24 November 2025*

Let me tell you something. This Roundup 365 is not a product. It is a FORCE. A WORK OF POWER. Maybe the greatest weed destroyer ever created on American soil. People are calling it a weed killer, but honestly it should have a RANK. It should be a GENERAL. Maybe even a FOUR STAR. We sprayed it ONE TIME on our gravel driveway. One mission. Single operation. The weeds were gone. Not dead. Not wilted. Gone. Vanished. It was like watching a SPECIAL FORCES STRIKE. Fast. Clean. No survivors. Very professional. We followed the directions exactly. Mixed the concentrate with water like true PATRIOTS. Pumped the sprayer. Took aim. Fired. And the weeds surrendered instantly. You could practically hear them saying, “Sir, please, we cannot handle this level of STRENGTH.” Too bad. This is WAR. Other weed killers pretend to be tough. They talk a big game. But this one delivers TOTAL DOMINANCE. It wipes the ground so clean it looks like it was liberated by a joint task force. If you want a product that WINS and does not negotiate, this is the one. Great power. Great precision. Great AMERICAN ENERGY. Five stars. Would deploy again.

### ⭐⭐⭐⭐⭐ Review
*by M***Y on 29 December 2025*

Does the job. Won't know till spring regarding the 365 claim.

### ⭐⭐⭐⭐⭐ Review
*by P***D on 7 December 2025*

This stuff works great and it last a long time after spraying the weeds you do t be disapointed

## Frequently Bought Together

- Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz.
- Chapin 20000 Made in USA 1 -Gallon Lawn and Garden Pump Pressured Sprayer, for Spraying Plants, Garden Watering, Weeds and Pests, Polypropylene, Translucent White
- Roundup Poison Ivy Plus Tough Brush Killer₂ Concentrate, Visible Results in Hours, 32 fl. oz.

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-19*