: Most need to sit in a tray of water constantly to mimic their native boggy homes.
Most carnivorous plants live in bogs or wetlands where the soil is acidic and almost entirely lacks nitrogen and phosphorus. To compensate, they have adapted to "eat" bugs to get the nutrients they can't find in the ground ( Kew Gardens ). Meet the Predators carnivorous plant
Troubleshoot (like blackening traps or mold) : Most need to sit in a tray