Oh how I love succulents! And, a succulent with lots of long lasting flowers is just the catâs meow. Enter the popular Kalanchoe blossfeldiana which is most commonly sold as a houseplant but here in Santa Barbara (USDA zone 10) mine enjoy the great outdoors year round. Hereâs how to take care of Kalanchoes, or Kals as we used to call them, both in the house and in the garden.