Now, a Christmas Cactus is safe for your cat or dog and if you own one and your plant is like mine...it's starting to bloom! I don't know many plants that thrive on neglect like the Christmas Cactus but it hardly needs watering, likes the dark and has gorgeous bright beautiful flowering buds once a year that lasts for 2 months. You can also create new plants without rooting the old one...just snip off a leaf and plant in soil. It will root itself and you'll have twice as much to look forward to next year.