This perennial has slender green trailing stems that root at the nodes and forms a clumping mat habit. It has bright green rounded leaves and the yellow cup-shaped flowers appear amongst the foliage during summer.

Hardiness zones 4 to 10

Lysimachia nummularia is naturally found from Europe to the United Kingdom and Turkey growing is shaded positions in moist to boggy soil types and is frot tolerant but drought tender. 

Moneywort is grown for its prostrate habit and its bright flowers. It is grown in small gardens as a ground cover or spill over plant. It is also used in containers establishing in one season and is suitable for sheltered positions around watercourses or ponds. It is also planted between stepping stones or in garden beds as a ground cover. ID 1691

Note:
Traditionally used by herbalists to treat bleeding and heal minor wounds. In the United Kingdom it is also called Twopenny Grass, Meadow Runagates and Wandering Sailor.
The common names of moneywort and twopenny grass are inspired by the Latin name nummularia meaning coin-like.

Lysimachia (ly-si-MAK-ee-uh) nummularia (num-ew-LAH-ree-uh)

Primulaceae (PRIM-ew-LAY-see-ee)
Primroses