Ondelaga, Indian Pennywort, or Saraswathi Plant (Centella asiatica) is yet another medicinal herb that I love to grow. In Kannada, Ondelaga means 'single leaf.' Most farms and fields would have this herb growing like a weed. There were times when people grew this herb as a substitute to lawn grass. The leaves are kidney-shaped, and the herb needs to be watered everyday (almost). This herb is also pest-resistant, and don't I love such plants!
Initially, I grew this herb in a shallow earthen container. But this season, the herb has chosen to share a container that contains dwarf ixora plant. The herb has grown leaps and bounds, and it is creeping out of the container on to the ground. The herb can also grow in hanging baskets. Also remember that at the end of each season, the stems and leaves of this herb die. If you tuck the stolons inside the soil, new plants will grow. Try it.
At India, we strongly believe that this herb re-vitalizes the brain and nervous system, and increases concentration. The leaves are slightly bitter, and can be useful to combat diabetes. There are no side effects if you consume the leaves, in my opinion. I use the leaves to prepare a chutney (or Thambulli). But I roast or fry the leaves with a drop of oil, before using it in chutney or other dishes. I may also add jaggery if the dish tastes bitter due to the herb. Our generation may not know about this chutney or may not prepare at home; but if there are elders at home, they will surely be delighted to prepare it.
Also see http://www.ayurveda-recipes.com/brahmi.html.
Please grow this herb at your garden.