Our tips and tricks pop over here on succulent store Succulent Growing are available today. Even though a north-facing window is exposed to a little sunlight, the amount of light needed for optimal growth of your jade plants is very limited. Too much sun can make the old lady cactus look sad. They require time to settle in the new soil or cactus mixture. They do best in the summer and need to be fertilized during that time. Pilosocereus is more tolerant of water than most succulents and cacti.