Botanischer Garten
Hans-Thoma-Straße 6
76133 Karsruhe
By public transport: from Karlsruhe central station by tram (towards Innenstadt) until the stop Marktplatz, and then by foot to the State Art Gallery. The entry to the Greenhouses is located behind the State Art Gallery in the Botanical Gardens.
You get the actual times of departure under 3-Löwen-Takt-Fahrplanauskunft.