https://www.bhaktvatsal.com/blog/janiye-aakhir-kyu-ganesh-ji-ko-chadhate-hain-durva
The blog explains the significance of offering Durva (a type of grass) to Lord Ganesh, a tradition rooted in ancient mythology. According to legend, Durva played a vital role in healing Ganesh after an encounter with a powerful demon, symbolizing its purity and protective power. This offering is believed to bring blessings, prosperity, and the removal of obstacles.