Long-Lasting Driveway Weed Killer

Total weed killers can broadly be classified as either 'contact' only or 'residual' which gives a long-lasting effect. Choose the best weed killer for your driveway, gravel, pathway or porous surface.

An iamge of weeds growing among a driveway

What Types of Driveway Weed Killer Do We Stock?

Total weed killers can broadly be classified as either “contact” only or “residual” which gives a long-lasting effect.

Contact weed killers only kill the weeds they come into contact with. Although sprayed weeds will die permanently, new ones can emerge immediately afterwards. Many contact weed killers contain the chemical glyphosate and include well known brands like Roundup ProActive, Roundup ProVantage, Gallup Biograde Amenity and our strongest 5L glyphosate Gallup Hi Aktiv Amenity.

Residual weed killers give longer-lasting control by leaving residue in the soil or substrate that continues to work after application for a number of months. The more persistent products may only need one timely application per year. Mixing a residual product with a contact can give impressive results, as the contact weed killer gives rapid knockdown, while the residual weed killer continues to keep the area clear.

Most residual products should only be applied to a porous surface. This reduces the likelihood of the chemical running off and affecting non target areas.

Best Driveway Weed Killers

A popular residual (or long-lasting) weed killer for driveways is Chikara.

Chikara

Chikara is highly concentrated water dispersible granule formulation containing 25% w/w flazasulfuron. This is suitable for use as a non-selective residual herbicide on natural surfaces not intended to bear vegetation, permeable surfaces overlying soil and hard surfaces (railway ballast only). The label claims 4 to 6 months of driveway weed control from one application. Chikara is available in 50 g (covering ¾ acre). You can apply the mix using a knapsack sprayer.