The Q&A Archives: Round up killed my dahlias

Question: I was having a probem with weeds in my flower garden. After continuously pulling up weeds I decided to use round up. Most of my weeds died but my beautiful flowers are quickly dying too. This WEED KILLER was supposed to be specially formulated for FLOWERS and vegetable gardens. Is there anything I can do to save them?

Answer: Some commonly used weedkiller ingredients such as Glyphosate are nonselective herbicides. This means it will kill desired plants as well as weeds if the spray contacts their foliage. If this was the active ingredient in the product you used (check the label), your dahlias are probably not going to make it. You might try contacting the manufacturer of the product you used to see if they have any suggestions, but I don't think there is anything you can do once the spray has dried. (If you rinse it off with water right away and dilute it thoroughly it may save plants that have been sprayed by accident.) Always read the entire label and follow the directions exactly when using a weed killer product. I am really sorry.

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