Cacti are easy-going ... dry out before watering again. Water in the early morning or late in the evening, as plants may scorch if they're covered in water droplets during the heat of the day.

which can quickly soak up lots of water when it rains. The ocotillo plant only grows leaves after it has rained - as soon as the soil dries out, they all drop off. Some cacti spines are nearly ...

Water when mostly dry. With a rounded form and a striking geometric pattern of spines, the rainbow hedgehog cactus lives up to its name! The colors shift from pink to yellow as it ages.