Melville Avenue – Pumpkin Flowers Male pumpkin flowers (seriously!) in a garden on Melville Avenue. (The female flowers have a tiny “pumpkin shape” below their stems). The male flowers bloom, only once, early in the morning and then close in about four hours. Share this:PinterestTwitterFacebookEmailMoreRedditPocketTumblrLinkedInLike this:Like Loading... Related This entry was posted in Uncategorized and tagged Quebec, Westmount. Bookmark the permalink.