I’m a gardening pro – don’t use salt to kill weeds in your paving slabs


WEEDS are sometimes unavoidable in the garden.

While they constantly pop up all over the grass and the hedges, the biggest eye-sore is when you see them between patio slabs or driveway cracks.


The most annoying weeds are the ones that grow between concrete slabsCredit: Getty

Cass Heaphy, Digital Director at Paving Direct, spoke to Express.co.uk about the best ways to remove weeds from paving. 

He said you can begin by manually pulling anything that will be released by hand.

“For those weeds that cannot be easily pulled up, a weeding tool/scraper is recommended. 

“You should be able to scrape between the blocks with this tool to dislodge the weeds.”

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If that feels like it’s taking too long, a hand-held burner will do the trick quickly and efficiently.

You may have seen hacks on TikTok or Instagram that suggest using common household products like vinegar, baking soda, or salt to kill weeds.

Cass said to avoid the temptation.

He warned that salt can damage paving, harm soil, and prevent future growth when used on other grassy areas.

“If the weeds are really persistent, then an organic herbicide is recommended. 

“Once this has been applied and weed growth has been stymied, we suggest re-pointing the paving blocks with kiln dried sand, as this will fill the voids and help prevent re-growth.” 

He said patios require a similar process:

“But instead of repointing with kiln dried sand, you want to use an epoxy-based jointing compound such as Pointfix for concrete and stone patios, or an exterior tile grout for porcelain patios. 

“Both exterior grout and epoxy jointing compounds are water-resistant, so will help suppress and prevent the regrowth of weeds in the paving joints.” 

If you’re looking to clean up your driveway without breaking the bank, Cass has some advice for you too.

He said simple steps often lead to big changes.

“A well-maintained garden and driveway will make a house look well-presented and cared for. Often, buyers believe a well-maintained exterior will mean a well-kept interior.

“General upkeep is good practice and, like most things, prevention is easier than cure.

“One of the easiest things you can do to spruce up your driveway, which can make a huge difference to your house’s appearance, is to simply sweep away any windfall debris.

If you leave things like leaves, twigs, fruit, acorns, and bark on your driveway for too long, not only will it look messy, but it can also stain the pavement.

“You’ll need to sweep or leaf blow your paving clear every week or so.”

Another easy solution involves adding natural color.

“Although not the most innovative solution, planting new flowers is an inexpensive yet effective way to reinvigorate your driveway’s borders on a budget, so it’s a good place to start.

“If you have lawned areas around your driveway or in your front garden, you could consider adding new flower beds along the edges of the lawn to bring in some color and contrast – this can also work nicely alongside a paved patio area. 

“If ground space is limited, hanging flower baskets and planters are also an ideal solution,” he shared. 

Not only are they hard to pull out, but they also make the whole home's exterior look messy


Not only are they hard to pull out, but they also make the whole home’s exterior look messyCredit: Getty

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