LNMU Botanical Garden is a public park and a garden located within city limits of Darbhanga.

LNMU Botatical Garden has a variety of plants and algae and it is because the department has two laboratories possessing diverse forms of Algae (Terrestrial and acquatic algae from freshwater and marine habitats) Bryophytes, pteridophytes, Gymnosperms and Angiosperms. Also ,Different classes of Fungi and several fungal disease materials are available for study. Hence the botanical garden is very diverse.

The LNMU Botanical Garden can be visited during timings 10:00 AM - 4:00 PM.