punarnava :

Cultivation:

Boerhavia diffusa is widespread through much of the tropics and the subtropics and has also become naturalized in parts of the temperate zone
Prefers a sunny position and a well-drained soil. The plant grows wild in a range of soil types.
The plant is a weed of cultivated land and wasteland, often in lawns in drier areas. Although common, it is not a weed of importance. After mechanical cultivation the plant resprouts from its roots but relatively few cultivations are needed to exhaust it