The benefit of education, let alone higher education, was a distant dream for the poor people of Virudhunagar region until the nineteen forties. It was in the backdrop that the philanthropic and munificent members of the merchant community of this town were longing for a college of their own. In June 1947, the idea of establishing a college in Virudhunagar was mooted at Nadar Mahajana Sangam meet held at Kovilpatti. Rao Bahadur M.S.P Senthikumara Nadar who was present on the dais at that moment made on the spot announcement to donate a hefty sum of Rupees Two Lakhs to start a college in Virudhunagar. Thiru M.S.Periasamy Nadar was gracious enough to donate and acquire one hundred and fifty acres of land on the Aruppukottai road for the college. The institution has attained an eminent status with 26 UG, 15 PG and 13 M.Phil.,and 11 Ph.D Programme. The UGC granted Autonomous status to the institution in 2012. The college is accredited with A Grade by NAAC in the fourth cycle of accreditation.The institution has secured 76thrank in National Institutional Ranking Framework by the Ministry of Human Resource Development, New Delhi. Today, after 76 years of its inception, VHNSN College has grown from strength to strength, scaling new heights and crossing many a milestone on the academic road. Even a casual glance at the campus of this college will speak volumes for its multidimensional development. The sprawling campus dotted with lush green trees, the imposing and massive buildings, the sophisticated infrastructure with the state of art technology, the computerized and well-stocked library, the committed and competent team of staff and the enlightened management has collectively transformed this great institution into a towering colossus, standing astride and the pinnacle of academic excellence.
The Department of Botany introduced B.Sc Botany in the year 1967 and it was upgraded as Post Graduate in the year 1984. The Department offered the M.Phil.,programme in 1984. The Department was recognized as a Research Center in the year 1992. Currently, the department is working on the varied fields of basic and applied plant biology.