A celebration of bees and pollination runs from 28-30 August and will draw attention to their decline in recent years.
Exhibits include the University’s School of Biological Sciences on bees and pollinators, local cider apple producers and the Gloucestershire Orchard Group.
Local orchid enthusiasts will highlight the relationship between pollinators and flowers in a display of orchids.
Curator at the University of Bristol Botanic Garden Nick Wray said: "The weekend will include lots of interactive events and displays. Orchids will feature prominently because their flowers are the most highly adapted to specific pollinators and there will be some fascinating orchid examples.
"The festival is a great opportunity for members of the public to see what bees and pollinators do for us."
The event has been funded by the Biotechnology and Biological Sciences Research Council (BBSRC) public engagement award given to Professor Jane Memmott in the University’s School of Biological Sciences.
Professor Memmott, an expert in ecological processes, is leading on a project to explore how urban environments could help to restore insect populations.
A celebration of bees and pollination takes place at the University of Bristol’s Botanic Garden at The Holmes, Stoke Bishop, Bristol from Friday 28 to Monday 30 August.