Lesser Celandine (Ranunculus ficaria) on Apr 9, 2024
Submitter does not have a specimen
Description of specimen
Lesser Celandine is not blooming its yellow flower yet but the leaves are clearly emerging from the soil in various places. :(
Commentary
None
Remedy
For small patches, plants can be dug up in their entirety (be sure to get all roots and the small bulbils that break off to form new plants - you may need to sift through your soil to get these). Do not compost or put in your yard debris bin any below-ground parts of the plant (tubers and bulbils) as they can be spread this way. The leaves and flowers are ok to compost or put in yard debris. For larger patches, digging is impractical and can cause a lot of disturbance; herbicide application may have more success.
* Lesser Celandine: National Park Service fact sheet
*Lesser Celandine info from West Multnomah SWCD
Lesser Celandine clusters of leaves are coming up in the newly planted soil areas to the right of the new cement sidewalk between Sherman and Grant Street in several places. It is difficult to treat. I am unsure of whether any weed barrier was placed below the soil. I think not. The soil is infected and the bulbs need to be dug up and discarded in trash. I expect you all know this. This invasive species that will take over the whole area by this time next year.