Although some people love them, vines like ivy or wisteria can do real damage to a structure and take over a space. Akebia is not technically invasive, but can grow out of hand too easily.

Lauren Langford, of Summerville, South Carolina, says she refuses to pay over retail for anything in the collection. She wanted to buy her 6-month-old son a Vineyard Vines rashguard that sold for ...