Leiden heeft de oudste botanische tuin van Nederland, gesticht in 1590.

Hidden behind the Academy Building on the Rapenburg lies the oldest botanical garden of the Netherlands and one of the oldest gardens in the world. Founded in 1590 and expanded in the following centuries, the Hortus is the green heart of Leiden.

Today’s protest at the University’s Academy Building and the Hortus botanicus ended at around 16.30. The dozens of demonstrators left the grounds voluntarily after the university summoned them to leave.

Education in (Chinese) Medicinal Plants associated to the Hortus botanicus in Leiden - Which Traditional Chinese Medicinal plants can be grown in the Hortus? - Establishing of a database which Chinese medical plants are available in Dutch Botanical Gardens - Data validation (correct identification,…

Great news! From Whit Monday at noon, the oldest botanical garden in the Netherlands will be open for visitors again. After twelve weeks of closure, visitors will be able to come and enjoy everything that grows and blossoms in the heart of Leiden's city center. In order to offer all visitors and staff…

The Hortus botanicus Leiden has one of Europe’s largest collections of living plants from the Asian region. This rich resource is no longer the sole domain of botanists. Extraordinary professor Paul Kessler studies what the Hortus botanicus Leiden can offer research, higher education and the public…

The Hortus botanicus Leiden has one of Europe’s largest collections of living plants from the Asian region. This rich resource is no longer the sole domain of botanists. Multidisciplinary research, teaching and the general public are equally at home in the Hortus. This is the view of Paul Kessler, professor…

Leiden University's famous botanical garden offers a 50% reduction on entry tickets to participants during the conference.

The Hortus Botanicus is celebrating its 425-year anniversary this year. It’s the oldest botanical garden in the Netherlands, but how did it come into existence and what kind of research takes place there?

The Leiden Hortus Botanicus is the oldest botanical garden in the Netherlands. Although perfect for a ramble, it is much more than an open air museum. PhD students carry out their research here and the Hortus makes a serious contribution to biodiversity through the exchange of rare seeds with other…

The Hortus Botanicus is celebrating its 425-year anniversary this year. It’s the oldest botanical garden in the Netherlands, but how did it come into existence and what kind of research takes place there?

What chemicals do plants have available, and what happens if they use them when faced with bacteria or fungi? That is what PhD candidate Luis Salomé Abarca is keen to learn. He studies plants’ survival and their use of chemical components in communication and defence. Salomé Abarca works at the Natural…

Dumb island birds, invasive species dressed as cute purple flowers, and trees the size of skyscrapers. What better way to end your summer and start the new academic year than by discussing, scavenging, and observing these topics. This is exactly what the PhD candidates of Young Liveable Planet (YLP)…

Eight university vegetable patches will soon join the display at the Hortus botanicus. The sun shone down on almost 40 enthusiastic students and staff as they started work on the new Community Garden there earlier this month.

The Leiden Hortus botanicus has received an inheritance of 5 million euros. This is a gift from the estate of Carla van Steijn, who was a loyal visitor to the Hortus during her lifetime. In accordance with her wishes, the gift will be used for new activities and to optimise accessibility for less-able-bodied…

Hortus botanicus Leiden is the first Dutch garden to receive an accreditation from Botanic Gardens International (BGCI). The Conservation Practitioner Accreditation is a certificate that recognizes the policy, knowledge & expertise and education with regard to plant conservation at an international…

Amorphophallus decus-silvae, or the ‘penis plant’ as it is known, has just flowered at the Hortus botanicus. It flowered for two days, and then the pollen, which the male flowers produced was collected. As far as the plant experts at the Hortus can tell, this was just the third time that this species…

The Hortus botanicus is located in the historical city centre of Leiden.

Nederland heeft geen nationale bloem en daar wil het radioprogramma Vroege Vogels verandering in brengen. Verschillende experts van Universiteit Leiden zijn betrokken bij de verkiezing.

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

Marvel at our rare collections.

Primate and test specialist Jane Goodall paid a visit to the Hortus botanicus in Leiden on 21 May for a ‘meet & greet’. Goodall, a world-famous researcher and nature protectionist, was presented with an orchid named after her and used the occasion to draw attention to the issue of plant protection.…

For more than forty years Heinrich Witte was responsible for the flora in the Hortus botanicus in Leiden. The 19th-century garden manager made the Netherlands famous with plants from Japan. The Old University Library is showing an exhibition of his work (19 August to 4 November).

Visit our exhibition JWST Universe and be immersed in the phenomenal images from this groundbreaking telescope.

Rembrandt painted this Flora, the Roman goddess of spring, in 1635. She is on display above the archway leading from the Academy Building to the lush flora of the University’s Hortus Botanicus. Rembrandt, who had his own cabinet of curiosities, almost certainly knew this botanical garden, the oldest…

The IBL represents the core of modern biological research at Leiden and we interact closely with the other life science Partner Institutes in the faculty:

Leiden and The Hague are home to a wide range of museums and collections.

In this dossier you can read about Leiden University’s commitment to sustainability.

The mission of our group is understanding how science communication works to improve the interaction between science and society. We believe better science communication can improve our society and engage many different groups with science, also improving science.

The ‘Vereniging van Echtgenoten en Partners van Hoogleraren aan de Universiteit Leiden’ (Society of University Professor’s wifes), also known as Vrolec, was established in 1913 by the women of professors of Leiden University.

To get an idea of the science communication products and research that is possible, a few examples of student projects of recent years are shown below.

The oldest university in the Netherlands has produced many well-known scientists. Some of them are known to the wider public; others are perhaps less well known, but their achievements are no less impressive.

With its iconic buildings, Leiden University has a strong presence throughout the city. The university has left its mark clearly on museum collections in the city.

The daisy has been crowned the Netherlands’ national flower. Rogier van Vugt, Head of Horticulture at the Hortus botanicus, explains why the daisy merits its elevation to national symbol.

The year 2019 is the 444th anniversary of the University’s ‘birth’ and the 350th anniversary of painter, draughtsman and engraver Rembrandt van Rijn (1606-1669). Reason therefore to celebrate both 444 years of Leiden University and Rembrandt Year. But what was the connection between Rembrandt, the most…

The research group Science Communication and Society has been physically within the Institute of Biology (IBL) since 2012 and has become a formal part of the institute in 2018. The mission of this group is understanding how science communication works to improve the interaction between science and s…

In our lives we often have little attention or appreciation for plants, let alone the ones we commonly call weeds. This inattention for plants has been described as plant blindness. The Stoepplantjes project aspires to decrease plant blindness by changing the image of weeds and using citizen science.…