Tulsi plant is considered to have special importance in Sanatan Dharma. It is believed that the devotee in whose house a lush Tulsi plant is found, remains blessed by Goddess Lakshmi, the goddess of wealth. There are many rules related to Tulsi Puja (Tulsi Puja rules in Hindi) in the scriptures, by keeping in mind which you can get auspicious results.

Rules related to water offering

Water should not be offered to Tulsi on Ekadashi, Lunar Eclipse, Solar Eclipse and Sunday and neither should Tulsi leaves be plucked on these dates. It is believed that Tulsi observes Nirjala Vrat for Lord Vishnu on Sunday and Ekadashi and offering water may break her fast. Along with this, also keep in mind that too much water should not be offered to Tulsi.

When should water be offered

Sunrise is considered to be the best time to offer water to Tulsi. You can offer water to Tulsi even before sunrise. Always offer water to Tulsi only after taking a bath and then eat food. While offering water, your face should be towards the east. By doing this, you get the full benefit of Tulsi worship. 

keep these things in mind

Copper vessels should always be used to offer water to Tulsi. Water should always be offered to Tulsi from the root side. By doing this, the Sadhak gets auspicious results. Special care should be taken of cleanliness in front of  Tulsi plant . Never touch Tulsi with unclean hands, otherwise you will not get any benefit of Tulsi Puja.