Weed killer being applied to garden path

Weed Killers UK: The Complete Guide

Choose the right product, apply it properly, get results

Basics

Get Results, Not Excuses

Our Strong Weed Killer is a glyphosate-based systemic herbicide that kills weeds to the root. Pair it with our 5L Pump Sprayer for even, professional coverage.

Shop Strong Weed Killer

Weed Killer Basics

Before you buy anything, understand the two fundamental choices: selective vs non-selective, and systemic vs contact. Get these right and everything else falls into place.

Selective vs Non-Selective Weed Killer Systemic vs Contact Weed Killer Strongest Weed Killer That Kills Everything The Longest Lasting Weed Killer Professional Strength Weed Killers: Do You Need a Certificate?

Active Ingredients

Every weed killer works because of its active ingredient. Understanding what's in the bottle helps you choose the right product for your specific weed problem.

KNOW YOUR CHEMICALS

10 Active Ingredients Compared

Glyphosate kills everything. 2,4-D targets broadleaf weeds only. Triclopyr handles woody stumps. Each ingredient has a job — pick the right one.

Glyphosate Weed Killer: Friend or Foe? 2,4-D Lawn Weed Killer Dicamba Weed Killers Triclopyr Weed Killer Fluroxypyr Weed Killer: The Brushwood Specialist Diquat: The Fast-Acting Contact Herbicide MCPA Weed Killer: The Selective Lawn Herbicide Mecoprop (MCPP): The Clover Specialist Clopyralid: The Weed Killer That Stays in Compost Will Pelargonic Acid Kill Weeds?

Application & Timing

The right product applied at the wrong time is a waste of money. Weather, season, and technique all matter more than most people realise.

TIMING MATTERS

When, How & What to Expect

Apply in calm, dry weather above 10°C. Most systemic weed killers need 6+ hours without rain to work. Results show in 7–14 days.

When to Apply Weed Killer (UK Timing Guide) How Long Does Weed Killer Take to Work? Weed Killer and Rain: Before, During & After Weed Killer Not Working? Here's Why How Long to Wait Before Reseeding After Weed Killer

Apply weed killer evenly: 5L Pump Sprayer | Strong Weed Killer

Lawn Weed Killers

Lawn weed killers are selective — they kill broadleaf weeds while leaving grass unharmed. Choosing the right one depends on your weed type and lawn condition.

Best Weed Killer for Lawns UK (2026 Guide)

Kill lawn weeds while feeding your grass: Spring Lawn Treatment

Safety

Using weed killer responsibly means protecting your pets, wildlife, and water sources. A few simple precautions make all the difference.

STAY SAFE

Pets, Ponds & Pollinators

Keep pets off treated areas until dry. Never spray near ponds or watercourses. Avoid flowers that bees are visiting. Simple rules, big difference.

Pet Safe Weed Killer: Complete Guide Weed Killer Safety: Protecting Wildlife, Bees & Water Weed Killer Near Ponds and Water Using Weed Killer Near Trees and Shrubs

DIY & Household Weed Killers

Vinegar, salt, bleach, boiling water — the internet is full of DIY weed killer recipes. Here's the honest truth about what works and what doesn't.

DIY REALITY CHECK

Do Home Remedies Actually Work?

Vinegar burns leaves but roots survive. Salt kills soil for years. Boiling water works on paths but not borders. Here's what the science says.

Does Vinegar Kill Weeds? Does Bleach Kill Weeds? Does Salt Kill Weeds? Does Boiling Hot Water Kill Weeds? Horticultural Vinegar: Does It Work?

Our Weed Control Products

Strong Weed Killer 5L Pump Sprayer Spring Lawn Treatment

Ready to Kill Weeds?

Our Strong Weed Killer is a professional-strength glyphosate herbicide that kills weeds to the root. One application, lasting results.

Shop Strong Weed Killer 5L Pump Sprayer