Tulsi or Basil has spiritual importance in Hindu mythology. The importance of Tulsi Puja has been explained Puranas. This sacred plant is the symbol of a belief, truth and religion. Watering the plant, worshipping it and lightening lamps in front of it is considered to be auspicious. Apart from its spiritual significance, Tulsi is known for its medicinal values. It is believed that Goddess Laxmi resides inside this plant. Devotees who light lamps in front of this plant during the month of Kartik as per Hindu calendar, they have chances of acquiring wealth. Apart from the puja tulsi vivah is also considered to be an auspicious ceremony. It is the marriage of Lord Vishnu or his incarnation Lord Krishna with the tulsi plant.
What legend states
Legends say that Tulsi was born in the month of Kartik on Amavasya or new moon day. So, performing this puja in this month is considered auspicious. There are different legends related to the origin of this puja and rituals. One of the famous legends is the one mentioned in Padma Purana. It is about the demon Jalandhar and his wife, Vrinda. She was reborn as Tulsi and later served Lord Vishnu. He was impressed with the devotion of Vrinda towards Jalandhar and was full of praise for her. It is believed that Vrindaban is named after her. During the worship of Lord Vishnu, a tulsi leaf is placed on the shailagram. Tulsi vivah denotes that end of monsoon and marks the onset of wedding season as per Hindu calendar.
Auspicious month of worship
As per Purana, the month of Kartika is one of the most pious months. This month instills salvation, karma, religion and truth in devotees. It is auspicious to perform in this month as it helps in eliminating sins and fill in the life of devotees with prosperity and happiness. For both Tulsi Puja and marriage, this is the auspicious time of the year. Along with the puja, donating lamps during the full moon day or Purnima, will also prove to be beneficial for the devotees. On Shuka Dwadashi of Kartik, Gaudiya Vaishnava devotees celebrate Tulsi vivaha that is a marriage of Shaligram and Tulsi plant.