Ashwani, Mool, Rohini, Hatha, Shravan, Chitra, Mrigashirsha, Vishakha, Pushya and all the three Uttara Nakshatras are considered to be extremely adequate and auspicious for tree plantation.If there is a presence of Sarp Dosha in your Kundli or you are under the negative affliction of Saturn, then you should visit Lord Shiva’s temple on Hariyali Amavasya and offer water and flowers to the Shivalinga.In the same manner, the Tulsi or basil plant is also worshipped and natives circumambulate around it.Offering prayers to a Peepal tree and circumambulating around it is also considered very pious.All of these trees are given a pious status as various Gods and deities reside in them. On this day, you can plant Peepal, Banana, Banyan, Basil, Lemon trees.Since it is also Hariyali Amavasya, it is also stated that planting trees and saplings on this day is very auspicious.You can fast on this day and make donations to an eligible Brahmin or a needy person according to your capacity.After taking a bath, you should make an oblation for the pacification of your ancestors’ souls.It is auspicious to take a bath in a holy river or reservoir on this day.
Additionally, you should face the South direction and chant, “oṃ pitṛ devāya namaḥ”/“ॐ पितृ देवाय नमः”.Early morning on this day, you should offer Arghya to Lord Sun, face towards the south direction and make a pledge for the sake of their ancestors before 11 AM.On the day of Amavasya Tithi, one should conduct the Shradh rituals of his/her ancestors.