Here's a really interesting article on using natural weedkillers
Equal parts white vinegar and water in a spray bottle works great.
Hi Sandra - The struggle is real, isn't it?!? This is the most effective all-natural weed killer DIY that we use. It's even been featured on Hometalk! Hope this helps! Hugs, Holly
1qt of white vinager 1/4 cup of salt 4 squirts of dish soap.