Facts
| Year of foundation | 1974 |
| Opening | 1979 |
| Visitors/year | about 70 000 |
| Size | 8 ha |
| Domed Greenhouse | 1000 m² |
| South Africa House | 336 m² |
| Orangery | 312 m² |
Climate & Geography
| TEMPERATURE | 2022 |
| Annual mean | 12,3°C |
| January mean | 4,6°C |
| July mean | 20,1°C |
| Absolute minimum | -10°C |
| RAINFALL | 660 mm |
| GEOGRAPHIE | |
| Position | 51°11'20''; 6°48'10'' |
| Altitude above sea level | 40 m |