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Which 'hidden' organisms live in the city? How can we use these organisms to help trees grow better, make concrete more plant-friendly and measure heat stress? Will city dwellers act more environmentally conscious if they let their gardens grow wilder and know more about what lives there? A broad consortium led by Michael Stech will conduct research over the next four years to answer these questions.Read more
On Saturday 23 April 2022, the Hortus botanicus Leiden will start the new programming around science festival European City of Science; in short Leiden2022. Leiden is the first European city to organise a 365-day science festival packed with knowledge, art and skill, intended for everyone with a curious mind. The Hortus, the city's only botanical garden and one of the few places where education and research into plants is facilitated, naturally also plays a role in this. Under the title 'Plants in focus', we offer in-depth activities for people of all ages.Read more
This spring, residents of Leiden can take part in a soil study during the citizen science project 'Tulip Mania’. With the project, DNA researcher Leonie Kaptein and partner Leiden Centre for Applied Bioscience (LCAB) (Hogeschool Leiden) want to learn more about the biodiversity in garden and potting soil.Read more
During the winter months, the Hortus botanicus Leiden organises three cosy and educational Winter Afternoons. A visit to the Hortus becomes even more rewarding: the garden stays open an hour longer, there are market stalls, physics experiments, winter delicacies and more. On 12 December 2021, there is even more to experience than usual.Read more
As of Saturday, 6 November, it is mandatory to show a valid coronavirus entry pass to visit the garden, glasshouses and the Hortus Grand Café.
In accordance with policy of the National Institute for Public Health and the Environment, the Hortus recommends wearing a mask in our indoor areas (Winter garden, café and Tropical greenhouse). Customers that make use of the Orangery are advised to only remove the mask as soon as they actually take a seat for the party / event / meeting.Read more
The gates of the Hortus and Leiden University will be closed from Friday 10 to Monday 13 April. For a walk through the Singelpark, we recommend walking via the Rapenburg / Nonnensteeg / 5th Binnenvestgracht. Have a nice Easter weekend!Read more
Due to national policy relating to the coronavirus (covid-19) the Hortus will remain closed for public up to and including April 28 2020. Follow our website and social media for further information.