The festival of Diwali actually starts from Dhantrayodashi. Dhantrayodashi has special significance. On this day people buy things as per their need and status.
Dhantrayodashi is related to Goddess Lakshmi. Some things should be bought on this day. The scriptures say that it is most important to buy this seed on this day.
Yes, coriander seeds should be bought on the day of Dhantrayodashi. There is a belief and tradition of buying coriander on this day.
It is said that if you buy coriander seeds in the evening on this day, Mahalakshmi will also enter the house with you.
Also, in the worship of this day, these coriander seeds should be offered to Goddess Lakshmi. Mahalakshmi is pleased with this. It is also said that she always resides in the house.
Doing this will not only bring happiness and peace in the family but will also increase the flow of positive energy and increase the flow of money in the house.