---
product_id: 550063699
title: "Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand, Kills & Prevents for up to 1 Year, 1 gal."
brand: "roundup"
price: "S$103"
currency: SGD
in_stock: true
reviews_count: 8
category: "Roundup"
url: https://www.desertcart.sg/products/550063699-dual-action-365-weed-and-grass-killer-plus-12-month
store_origin: SG
region: Singapore
---

# 12-month weed prevention Covers up to 300 sq. ft. Rainproof in 30 minutes Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand, Kills & Prevents for up to 1 Year, 1 gal.

**Brand:** roundup
**Price:** S$103
**Availability:** ✅ In Stock

## Summary

> 🌿 Effortless weed control that lasts all year—because your space deserves the best.

## Quick Answers

- **What is this?** Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand, Kills & Prevents for up to 1 Year, 1 gal. by roundup
- **How much does it cost?** S$103 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/550063699-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

- • **Versatile Coverage:** Perfect for driveways, sidewalks, patios, and gravel—tackle weeds where they really grow.
- • **Broad-Spectrum Control:** Targets clover, dandelion, crabgrass, poison ivy, and more for a pristine, weed-free space.
- • **Precision Comfort Wand:** One-touch continuous spray wand eliminates hand fatigue—effortless application every time.
- • **Fast-Acting & Rainproof:** Rainproof in just 30 minutes so your treatment stays effective, no matter the weather.
- • **Year-Round Weed Defense:** Kills & prevents tough weeds for a full 12 months—set it and forget it.

## Overview

Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer delivers powerful, long-lasting weed and grass control with a single application. Its fast rainproof formula starts working within hours and protects up to 12 months against a wide range of tough weeds and grasses. The included Comfort Wand ensures easy, continuous spray application over 300 sq. ft., making it ideal for non-lawn areas like driveways, patios, and walkways.

## Description

Roundup® Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand® 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. The Comfort Wand® is true to its name. With one-touch continuous spray there is no more tired, aching hands. 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 1 gal. container treats up to 300 sq. ft.

Review: Easy to use and the wand is great. - This stuff works great. Very easy to use. Pirice is not bad. I like the wand sprays the best. More expensive but worth it. I use it all the time. Just an fyi, I wear glasses and gloves and most of the time i wear a mask just to be safe.
Review: Works as advertised. - Performs as intended, except, the sprayer nozzle was defective..

## Features

- Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand 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 with Comfort Wand 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
- The easy-to-use Comfort Wand with one-touch continuous spray means no more tired, aching hands

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CB74LT6R |
| Active Ingredients | Triclopyr,Triethylamine Salt,Fluazifop-P-butyl,Imazapic,Ammonium Salt,Diquat Dibromide |
| Best Sellers Rank | #69 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5 in Weed Killers |
| Brand Name | Roundup |
| Coverage | 300 square feet |
| Customer Reviews | 4.5 4.5 out of 5 stars (980) |
| EU Spare Part Availability Duration | 12 Months |
| Global Trade Identification Number | 00070183000487 |
| Item Form | Spray |
| Item Type Name | Weed & Grass Kille |
| Item Weight | 16 ounces |
| Liquid Volume | 1 Gallons |
| Manufacturer | Scotts Miracle Gro |
| Model Number | 5478305 |
| Part Number | 5478305 |
| UPC | 070183000487 |
| Unit Count | 1.0 Count |
| Warranty Description | Warranty |

## Product Details

- **Active Ingredients:** Triclopyr,Triethylamine Salt,Fluazifop-P-butyl,Imazapic,Ammonium Salt,Diquat Dibromide
- **Brand:** Roundup
- **Item Form:** Spray
- **Item Weight:** 16 ounces
- **Liquid Volume:** 1 Gallons

## Images

![Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand, Kills & Prevents for up to 1 Year, 1 gal. - Image 1](https://m.media-amazon.com/images/I/71HoENzqjHL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use and the wand is great.
*by E***A on April 2, 2026*

This stuff works great. Very easy to use. Pirice is not bad. I like the wand sprays the best. More expensive but worth it. I use it all the time. Just an fyi, I wear glasses and gloves and most of the time i wear a mask just to be safe.

### ⭐⭐⭐⭐⭐ Works as advertised.
*by N***P on April 13, 2026*

Performs as intended, except, the sprayer nozzle was defective..

### ⭐⭐⭐⭐⭐ Works as advertised
*by R***G on June 22, 2025*

People this product works great. I sprayed in my flower bed and it started raining in next 30 minutes unexpectedly. I figured what I sprayed would wash away. I came back out the next day and the weeds were already dead.

## Frequently Bought Together

- Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer with Comfort Wand, Kills & Prevents for up to 1 Year, 1 gal.
- Roundup Dual Action Weed & Grass Killer Plus 4 Month Preventer with Sure Shot Wand, 1 gal.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-05-16*