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how to stop weeds from growing in cracks

In addition to lawns and flowerbeds, weeds can also appear in small cracks in the driveway or sidewalk. So, what’s the best way to prevent weeds from appearing in these cracks?

Homemade Vinegar Herbicide

An alternative solution to eliminating weeds from your driveway is to pour boiling water on them. Boiling water is a natural, Eco-friendly alternative to chemical-based herbicide. The scalding-hot temperatures will instantly kill weeds upon contact. Best of all, it’s completely free and takes only a couple of minutes to make.

Boiling Water

After the weeds have died, you should seal the cracks in your driveway to prevent them from coming back. Even if you eliminate the weeds currently taking refuge in your driveway, there’s a good chance of them returning in the future – unless, of course, you seal the crack.

How to stop weeds from growing in cracks

Driveway and sidewalk cracks turn out to be surprisingly friendly places for weeds. These cracks can hold a considerable amount of soil and organic matter, a perfect bed for grass and weed seeds, which are often very tiny. And just below the surface of the paving there is often trapped moisture, and any plant that sends its roots down below the slab has access to it.

The Spruce / Jayme Burrows

In other words, the weeds and grasses that thrive in pavement cracks do so because they are genetically well adapted to the conditions created by concrete, brick, or asphalt paving. It will take repeated efforts using a variety of methods to control these invasive super plants.

Before Getting Started

Here are some common, effective ways to control the weeds and grasses that infiltrate the cracks in paved surfaces. If a recipe calls for salt, make sure to limit its use to hardscape areas only; do not allow the salt to run into lawns and gardens.

Successful weed control begins with knowing your foe's likes and dislikes and habits. In their own way, weeds are marvels of genetic evolution. s

When to Kill Pavement Weeds

The Spruce / Jayme Burrows

Some grasses and weeds thrive in the heat. Crabgrass, for instance, is a warm-season annual grass that thrives in driveway and patio cracks. Its seeds are very tiny and can penetrate the smallest cracks. Quackgrass is even more diabolical because it is a perennial weed that can survive even if just small pieces of root remain beneath the slab. If the exposed portion of the grass is removed, a new shoot will pop up in no time at all.