The Q&A Archives: Mint plants

Question: I have mint plants on the sunny side of the house and they were here when I moved in 6 years ago. I pull them out every year and they grow back bigger and stronger! HOW can I get rid of them? It is taking over my entire garden. Thank you; Lois

Answer: As you've discovered, mint is terribly aggressive and nearly impossible to eradicate because even a tiny piece of root left in the ground can develop into a plant. Disturbing it just seems to make it want to grow that much more. Aside from hand digging the bed and screening out the last remnants of roots, you might try using Round Up on the mint plants. Round Up is a vegetation killer so if it comes in contact with your other plants, it will kill them, too. But, if you carefully paint the chemical on the plants you recognize as mint, it should be translocated to throughout the root system and kill out the mint. It will take time and patience, but it can be done. Wish there were an easier solution!

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