Hortsense

Lysimachia nummularia can be found in a variety of different habitat types; however, it grows most vigorously and poses the biggest threat in moist areas such as wet meadows, swamps, floodplain forests, stream banks, bottoms, ditches, roadsides and along the banks of small water bodies. It can form a mat-like growth capable of excluding more desirable native plant species. It is native to Europe but is now found across the United States and Canada.

• Maintaining a healthy planting or turf area to provide competition will prevent weed establishment.
• If Creeping Jenny is established in your lawn it may take two seasons to eradicate it.
• The plant can be hand pulled where practical. All stems and stem fragments should be removed from the area to prevent the stems from rooting again in the soil. Prolonged submergence will kill Creeping Jenny. At restoration sites, it can be controlled by establishing native grasses to shade it out. Mowing is not effective since Creeping Jenny adheres closely to the ground due to its many rooting nodes.

Caption: Creeping Jenny flower Photo by: H. Zell
Caption: Creeping Jenny close-up Photo by: D. Stang
Caption: Creeping Jenny Photo by: D. Stang