Do the seasons (summer, autumn etc.) require a capital letter? The seasons do not need a capital letter and there is ample support for this usage in the following books. Concise Oxford English Dictionary (2004) Oxford Dictionary for Writers & Editors (2000) Oxford Guide to Style (2002) The last of these says capital initial for seasons only when personified which really amounts to only in poetry. It is all part of the trend to plainer English which includes fewer capital initials. Other Related Links: • Should one say Unorganized or Disorganized? • Is the word Snuck used as the past tense of the verb Sneak or not? • When is it appropriate to capitalize University? • What is the Correct Form when writing the time : A.M. or a.m. or am? • Is the expression Pros and Cons informal? • What is the distinction between Enquire and Inquire? • Is it Backwards or Backward? • How should the term Website be written in official documents? • Do the seasons (summer, autumn etc.) require a capital letter? • What is the distinction between Assume and Presume? • Do you follow that phrase or the incorrect word with sic? • What is the difference between These and Those?