foliage it contacts, and many established weeds
can regrow.
Salt can harm soil and make it difficult for desirable plants to grow later. Concentrated horticultural vinegar can also cause serious skin and eye injuries. “Natural” ingredients are not automatically harmless.
Skip homemade salt mixtures. If you choose a commercial herbicidal product, follow its label and protective-equipment instructions precisely.
A Practical Long-Term Routine
Start by removing existing weeds, protect exposed soil with mulch, and inspect the area regularly. Deal with new seedlings before they become established.
You may not eliminate
