They have very plain looking leaves, but their saving grace is that they have extremely nice flowers and intricately designed subterranian traps. Sphagnum Moss mixed with peat moss and perlite or silica sand. Water by the tray method. These are the most plain looking of all of the carnivorous plants. They are quite an easy plant to grow if all of their requirements are met.
Butterworts are worth growing for the extremely pretty flowers that they produce.
Many butterworts need a dormancy period like many of the sundews. In the correct light most heliamphora will develope some red coloration on their pitchers. The soil should be a mixture of mostly live sphagnum moss with some perlite added to make it more airy. Heliamphora should be watered on the tray system, when the weather gets hot you should also water daily from above. It is also a good idea to to spray the plant with rain or distilled water once daily in the winter and several times per day in the summer.