Our tips and tricks on 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 need time to settle into their new soil. They will grow the fastest in the summer, so it's a good time to fertilize. Pilosocereus can withstand more water than other succulents, cacti and cacti. But, be sure to not overwater them. Succulents can also be called winter growing.