Basket (1) for cultivating an orchid plant (2) having aerial roots (3) and slots (4) for passing the plant's roots and/or leaves (2a). The basket is constituted by separate basket parts (5,6) arranged to be interconnected at an interconnection interface (7), thus enabling to insert the plant's roots etc. in the basket parts' separated state, and to hold the plant's roots etc. in their joined state. The first basket part (5) comprises a bottom part (10) and three side parts (11, 12, 13). The second basket part (6) com- prises one side part (14) and is arranged to be connected to the first basket part in order to form the fourth basket side in the basket parts' interconnected state. The bottom part (10) and the two side parts (11, 13) extending towards the interconnection interface (7) comprise slots (4) which are open towards the interconnection interface (7).