Kumpula's Botanical Garden, aka Kumpula's Manor is apart of University of Helsinki's Museum of Natural Sciences. Garden, the cafe and shop are open in summer (from June to August). The garden entrance fee also gives access to the Luomus - the Geological Collections located in the Manor house.
Geological Collection is open 10.6. –31.7. from Wednesday to Sunday 11 a.m. to 5 p.m.
Tu-Su: 11:00-18:00
We-Su: 11:00-17:00