Question: What are some mitigation/elimination recommendations for Lesser Celandine that has become well established in lawn and near fresh water wells? Answer: Jonathan Foster, Home Horticulture Outreach Professional Please take a look at this response from Ask Extension, which references a nice article on the plant from the Ohio State Univ Extension. You’ll see options for chemical control read more What are some mitigation/elimination recommendations for Lesser Celandine that has become well established in lawn and near fresh water wells?