Desert animals rely on cacti for water; that is why cacti have evolved sharp spines to protect themselves.

Growing cacti at home is easy. They are a great starter plant for someone who is not very confident in their gardening skills.

Like cacti, succulents require very little water and are well-adapted to desert environments. Many types of succulents also produce flowers when they bloom, like certain types of cacti do.

Unlike cacti, succulents do not have sharp spines. Succulents are also much smaller than many cacti.