It was narrated from 'Abdul-Malik bin Harith bin Hisham, from his father, that:
the Prophet married Umm Salamah in Shawwal, and consummated the marriage with her in Shawwal. (FR)
English reference (FR): Vol. 3, Book 9, Hadith 1991 (FR)
Arabic reference (FR): Book 9, Hadith 2068 (FR)