Botanical research and the imparting of knowledge on plant biodiversity are the core aims of the Botanic Garden of Johannes Gutenberg University Mainz. Pay us a visit – there is so much to discover! For example the Japanese Witch Hazel (Hamamelis japonica) in the arboretum.
Opening hours
Outdoor Grounds: 7.30 am - 6 pm daily
Greenhouses: Monday - Thursday 7.30 am - 3.30 pm, Friday 7.30 am - 1pm
Route map
Support and donations
It is thanks to the help provided by our committed band of sponsors that JGU's Botanic Garden is able to play a role in the fields of research, teaching, education, and species protection. To find out more about how you can support the Botanic Garden in its work, simply click here.
Welcome to the Botanic Garden
20th Annual Meeting of the German Association of Botanic Gardens
"Water for plants and people" will be the keynote theme of the 2012 annual meeting. The focus will be on all relevant aspects associated with the resource water in the context of botanic gardens, such as aquatic plants, the sustainability of water usage, watering and water treatment, and educational opportunities with water as their subject.
The Botanic Garden - An Important Tool for Research
With around 9,000 plant species of almost all orders and families of land plants, the Botanic Garden of Johannes Gutenberg University Mainz offers ideal conditions for investigating and discovering the diversity of the Earth's plants.
The Green School in the Botanic Garden - Environmental Education and Awareness
The Green School offers exciting projects dealing with botanical subjects designed for all age groups. The objective is to spark enthusiasm for nature and science and strengthen awareness of the significance of biological diversity even in the young.
Ex Situ Conservation – Endangered Plants of the "Mainz Sand Dunes" Relict Steppe Region
The Botanic Garden of Johannes Gutenberg University Mainz is involved in the conservation of the rare plants of the Mainz Sand Dunes nature reserve. The threatened plant species of this unique relict steppe region are being successfully cultivated in a realistic recreation of their natural environment.
Tours, Events and Exhibits - The Fascinating World of Plant Diversity
The JGU Botanic Garden is a wonderful location for relaxation and inspiration on the university campus. With guided tours, exhibitions, and events, it attracts a broad and interested public not only from Mainz but from the entire region.


