Some plants may look harmless, but they are actually toxic to cats if chewed or ingested. Even a small bite can lead to vomiting, drooling, or worse. Here are 5 common houseplants Red Peace Lily Flower In The Dark (Spathiphyllum), Cape Town, South Africa Stock Photo, Picture and Royalty Free Image. Image 153032311. Pollinator Wildflower Seed Mix High Country Gardens Many succulents can survive for months without rain by storing water in their thick leaves, stems, or roots, enabling them to thrive in some of the world's driest environments.