LadyCass wrote:
squatterandtheant wrote:
is the plural not cacti? lol it think you can use both words though

Of course. I was trying to figure out why cactuses looked wrong, but I couldn't put my finger on it.

Cacti. I'll try to remember that.
you're ok, you can use both cactuses and cacti:
American Heritage Dictionary - Cite This Source cac·tus (kāk'təs) Pronunciation Key
n. pl. cac·ti (-tī') or cac·tus·es
Any of various succulent, spiny, usually leafless plants native mostly to arid regions of the New World, having variously colored, often showy flowers with numerous stamens and petals.
Any of several similar plants.