perennial shower
(puh.REN.ee.ul show.ur)
n.
A bridal shower where the guests bring perennial plants as gifts.
Example Citation:
Perennial showers are all the rage in the soon-to-marry crowd these days, and good landscape architects and designers are turning down multiple jobs each day.
Gayle MacDonald, "The $50,000 tree," The Globe and Mail, June 10, 2000