What is the singular possessive form of cactus?

Answer 1

There are two accepted forms for possessive singular nouns ending in s:

Add an apostrophe (') after the existing s at the end of the word: cactus'

Add an apostrophe s ('s) after the existing s at the end of the word: cactus's

Examples:

The night blooming cactus' name is Queen of the Night.

The night blooming cactus's name is Queen of the Night.

Answer 2

The possessive form for the plural noun cacti is cacti's.

Answer 3

The plural forms for cactus are cacti or cactuses, both are accepted.

The plural possessive forms are cacti's or cactuses'.

Answer 4

The noun cactus is the singular.

The plural forms are cacti or cactuses, both forms are accepted.

Answer 5

The form cacti's is the possessive form of the pluralnoun cacti.

The singular noun is cactus. The singular possessive form is cactus's.

Answer 6

Cactus - singular

Cacti - plural

Answer 7

cacti