菖蒲
The garden includes two greenhouses. The first contains plants such as "Adiantum capillus-veneris", "Cyperus papyrus", "Pinguicula hirtiflora", "Pteris cretica", "Pteris vittata", and "Woodwardia radicans". The second contains wetland plants including "Acorus calamus", "Marsilea strigosa", "Menyanthes trifoliata", "Osmunda regalis", etc.