Answer: Wild violets are difficult to eradicate because even if the tops are killed back, stored energy from the bulb allows new foliage to emerge. Herbicides available to homeowners are ineffective against wild violets. The only sure way of getting rid of the weedy plant is to dig it up, bulb and all. An herbicide containing triclopyr is effective but there are some limitations and it needs to be reapplied so be sure to follow label directions. Wish I had an easier solution!
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