There are trees associated with each 27 nakshatrams or birth stars. Swati Nakshatra also has a particular tree dedicated to it. People born on each nakshatra should worship the particular tree. The tree associated and worshipped by Swathi Nakshatra Born People is white marudh or Terminalia Arjuna.
Hindi name of the Swathi Nakshatra Tree is Arjun
Telugu name is Yerra maddi
Malayalam name is Nirmarutu
Tamil Name is Marutu
Kannada name is Nirmatti
In Marathi it is known as Arjuna
Bengali name is Arjhan
Swathi Nakshatra born people should plant the white marudh. Water it. They should also protect the tree.