Lysimachia A popular plant to be found in most house plant nurseries. This is truly an amazing plant. It grows indoors, outdoors, emersed, submersed or planted right in the ground in the perennial border as well. In aquarium tanks it seems to tolerate adverse conditions such as high temperature, low fertility, relatively low light, etc. It grows relatively slowly in the aquarium although it is almost like a weed out in my semi-shaded garden creeping around everywhere. Lysimachia nummularia Read more