Cactuses versus Cacti

What is the Difference Between Cactuses and Cacti?

When to Use Cacti

Cactus plural: Cacti is a noun. It is the plural form of cactus, which refers to members of a family of spiny plants. Cacti are famous for having sharp spines. They can survive extreme conditions by storing water in their stems for extended periods of time.

When to Use Cactuses

Cactus plural: Cactuses is an alternative spelling of the same plural noun.

Summary

Is it cactuses or cacti? Cacti and cactuses are alternative forms of a plural noun that means more than one member of a family of spiny plants.