Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

Your time at Leiden is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in the beautiful city of Leiden.

In the interests of knowledge exchange and research, a delegation from the China Academy of Chinese Medicinal Sciences (CACMS) in Beijing paid a visit to the Hortus botanicus in Leiden. The visit was part of a joint research study on herbal medicine.

This page provides updates on the protest today at the Academy Building and Hortus botanicus in Leiden.

In the tropical rainforests of Southeast Asia the soursop family (Annonaceae) can be found. The genus Uvaria is a part of this family, but it has not yet been described entirely correctly. That is what Annas Rabbani will be studying during the next four years as a PhD student at the Hortus botanicus…

On 23 September, the Leiden alderman for the Management of Public Space was presented with a Ginkgo Biloba in the Blekerspark. This special 'Peace Tree' was grown from a seed from a tree that survived the atomic bomb that devastated Hiroshima. The Peace Tree is being temporarily housed in Leiden's Hortus…

Professor Paul Keβler, prefect of the Leiden Hortus botanicus, holds the special chair Botanical gardens and botany of South-East Asia since 1 February 2017.

Leiden University opened its doors on Leiden Museum Night, with a whole host of things to see and do at the Academy Building, Hortus botanicus and Old Observatory. Take a look at the photos and see.

A new plant species was named after Paul Kessler, prefect of the Leiden Hortus botanicus. Kessler discovered the small tree, which is related to the kiwifruit, himself.

An overview of awards and prizes granted to our staff and students in 2019, as well as special appointments and royal distinctions.

Crises like climate change and loss of biodiversity threaten our planet. That’s why sustainability is an important topic in research and education across Leiden University. On this website you read how scientists from many disciplines work together in researching sustainability.

On this page you will find an overview of awards and prizes granted to our staff and students in 2025, as well as special appointments at Leiden University and other institutions.

Hortus prefect Paul Keßler was a part of the delegation of Leiden researchers that traveled to Indonesia on a knowledge mission. In two weeks, he visited seven different universities and institutes and of course he also went to see three botanical gardens.

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

At almost midway through, the “Stoeplanten” (Pavement Plants) citizen science project has been very successful. This research was initiated by Nienke Beets, who while working for the Science Communication and Society research group and Hortus Botanicus, gave her contribution to the Stoeplanten proje…

How does a honey bee see the Earth? Or a shark? What would the world around us look look like through an infrared camera? And how can you spot Earth from the International Space Station and other satellites? Come and experience it yourself at the Night of Arts and Sciences!

(04-11-2020) The visitor center of the Old Observatory is closed until November 15th 2020 in line with the national corona measures in the Netherlands. When we reopen, please pay attention to our corona regulations:

On Wednesday 4 September, Queen Máxima opened the renovated tropical greenhouse complex of the Leiden Hortus Botanicus, an event that attracted wide public interest. Thanks to this renovation, the greenhouses are even better equipped for scientific research.

There is much wrong with the taxonomy of the plant genus Phyllanthus. Roderick Bouman of the Hortus botanicus Leiden has developed a new phylogeny for Phyllanthus and exposes the evolution of the plant genus. Publication in TAXON.

Dutch people are proud of the fact that genever, their national drink, was the prototype for gin, the now so fashionable British spirit. And Leiden people are proud of their Professor Sylvius, who invented genever in the seventeenth century. But is this really true?

The Global Strategy for Plant Conservation, a world-wide effort by the botanist and plant protection community, is making considerable progress in protecting plant diversity around the world, a new report says. The Hortus botanicus Leiden is one of the partners of the project.

Leiden scientists have discovered a new plant genus with two new species at a potential nickel mine site in Indonesia. Remarkable characteristic of the plants: they store manganese in their leaves.

Discover budding creators, artists and researchers at the Night of Discoveries art and knowledge festival. And many researchers from Leiden University are taking part.

The theme of the Heritage Open Days Leiden on 10 and 11 September is sustainability. At four University locations guides will talk about the history of the buildings and how they have been renovated. And there is a first: tours in sign language.

Of the 32 historic buildings that are opening their doors to the public on the Open Monument Days on 8 and 9 September, five are University buildings. The Hortus Botanicus is also open.

From Caspar Reuvens to the royal grave in Oss, and from ancient images in the Hortus to a table from Naturalis. The National Museum of Antiquities is 200 years old, and throughout this whole period there have been close contacts between museum and university. Curator Annemarieke Willemsen explains this…

In addition to the walk-in tours at the visitor center, we also offer private tours for groups. These tours delve deeper into the history of the building, but also offer the opportunity to learn more about astronomy in general.

The oldest university in the Netherlands was founded on 8 February 1575 in the Pieterskerk in Leiden. This was at the time of the Eighty Years’ War with the uprising of the northern provinces against domination by the Spanish.

There is a growing demand throughout the world for ways to understand and preserve cultural heritage. Heritage has a crucial role to play because it strengthens societies and promotes understanding among cultures. Leiden expertise in the area of heritage spans the whole world.

The programme of the 3rd International Workshop on Klinefelter Syndrome, Trisomy X, and XYY. International Workshop theme: 'A life-course perspective'

Institute of Biology Leiden (IBL) is an internationally oriented institute for research and education in biology. We are part of the Faculty of Science at Leiden University.

Your time at Leiden and Delft is about more than just studying. Some of your best experiences will stem from being a part of our lively and diverse student community, as well as from life in these beautiful cities.

Your time in Leiden is about more than just studying. Some of your best experiences will come from being part of our vibrant and diverse student community, and from living in the beautiful city of Leiden.

Your time in Leiden is about more than just studying. Some of your best experiences will come from being part of our vibrant and diverse student community, and from living in the beautiful city of Leiden.

What hidden nature is there in our cities and how can we use such organisms? This is what the HiddenBiodiversity project will be exploring over the next four years. The project’s kick-off meeting was held at the Hortus botanicus on Monday 26 September.

On Saturday 17 September Leiden will once again be the setting of the Night of Art and Knowledge. Come along and enjoy a fascinating mix of knowledge, theatre, music and art in the museums and academic locations such as the Hortus botanicus. Tickets are now on sale.

The ninth Museum Night in Leiden will take place on Friday 19 May 2017. This year's theme will be 'About time'. Nine museums are taking part and the city centre will be brightly lit.

Alderman Robert Strijk from the Leiden municipality officially opened the artwork Whispering Wind by Edwin van der Heide on Wednesday November 29.

As of now, the Old Observatory's visitor center is also accessible with the We Are Public Pass! Visitors who have this pass can visit our exhibition More-Than-Planet for free.

Leiden has one of the most petrified inner-cities of The Netherlands. This is not beneficial for the biodiversity crisis and Leiden University, with a significant number of buildings within the Singels. The priority should be to make a positive impact on the matter.

On 25 and 26 October 2024, the first biennial symposium Environmental History in the Medieval and Early Modern Low Countries, is scheduled to take place at Leiden University.

Photographing fluorescent flowers, searching for frogs and shooting tropical cucumbers out of trees: this is only a small part of the course Tropical Biodiversity and Field Methods. For this class, master’s students biology traveled to Malaysian Borneo for two weeks to gain experience in fieldwork.…