What is the Most Cold Hardiest Tropical Plant?
You’d have to think of species that go dormant during the winter. A surprising number of tropical grass, sedge, and grassland species make it well into the temperate zone. The little grass Oplismenus hirtellus has an astonishing range from southern Africa and South America all the way to Maryland. The tropical tree Cyrilla racemiflora ranges from South America to Maryland!
