The Hortus Botanicus is the oldest botanical garden in the Netherlands. Founded in 1590 and expanded in the centuries that followed, the Hortus is a green oasis in the centre of Leiden. Visitors come for a relaxing stroll through the gardens; researchers come from all over the world to study the famous…

The jade vine (Strongylodon macrobotrys) is flowering at the Hortus botanicus in Leiden. The plant started producing multiple flower clusters three weeks ago and the first ones are now in full bloom.

The ‘Amorphophallus titanum’ at the Hortus botanicus Leiden is blooming. This Titan Arum, also known as the ‘giant penis plant’, last flowered in 2009.

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…

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.

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.

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.

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.

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.

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…

Dutch mosquitos are more resilient to saltwater than previously thought. Environmental scientist Sam Boerlijst discovered this during his PhD research at the Hortus botanicus. This knowledge is crucial for understanding how mosquito-borne disease transmission might change in the future.

The Faculty of Humanities has made a festive start to the academic year. On 7 September, staff members were able to meet each other at a drinks party in the Hortus botanicus.

It has become tradition: the opening of the faculty year in the Hortus Botanicus. This year, too, staff and students of the Faculty of Humanities gathered in the botanical garden on the first Wednesday of September to raise a glass to the new academic year.

This year too, the faculty year was opened in the Hortus Botanicus. In the centuries-old garden, staff and students met with drinks and snacks.

The Hortus Talks is a podcast series as well as a botanical college tour, recorded in the greenhouse in the middle of the Hortus Amsterdam. The theme of the podcast was plant migration. In this context Anastasia explained the importance of understanding how hunter-gatherers impacted past landscapes…

During an evacuation, all employees and students gather next to the big greenhouse at the Hortus Botanicus.

Lecture, Workshop

If you would like to hire a location for a (festive) occasion or reception, Leiden University has a wide range of locations. They are suitable for a variety of activities: meetings, workshops, dinners, receptions or parties. There are also various catering options.

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

Four prints, ten years of research. Not that she got bored of them, on the contrary. Corrie van Maris, who receives her PhD this week, has always remained fascinated by her 17th-century series, for which she feels so much love. ‘I kept seeing different, new things.’

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Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

Arts and culture, Rondleiding

On 22 May, astronaut André Kuipers opened the new Mediterranean garden in the Hortus. With this water-efficient garden, the Hortus aims to offer inspiration for future- and climate-proof garden planting. Prefect Paul Keßler and scientific director of the Leiden Observatory Ignas Snellen also signed…

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.

Green Friday