Boston Flower and Garden Show When Wednesday, 03/14/2018 - Sunday, 03/18/2018 All Day Add To Calendar Download ICS Google Calendar iCalendar Office 365 Outlook Live Where Seaport World Trade Center 1 Seaport Lane, Boston, MA Event Type Outside Events Boston Flower Show, Seaport World Trade Center Seaport World Trade Center. Welcome to The Boston Flower and Garden Show Note: Most of our events are rain or shine. If we do postpone due to weather, members will receive an email notification and we'll update the event details here on the website.