The names of the seasons—spring, summer, fall or autumn, and winter—are not proper nouns, so they only get capitalized when other common nouns get capitalized.

When should spring be capitalized?

The rule that “spring” is lowercase is general but there are some exceptions in which you should capitalize seasons and capitalize “spring.” The only time you will see the word spring capitalized is when it is used in a title or as the first word of a sentence.

Should spring 2020 be capitalized?

The seasons—winter, spring, summer and fall—do not require capitalization. Some people think these words are proper nouns and capitalize them using the capitalization rule for proper nouns. But seasons are general nouns, so they follow the capitalization rules that apply to other general nouns.