LONDON, ENGLAND - APRIL 09: Tropical horticulturist Carlos Magdalena checks a plant in the misting unit at the Tropical Nursery at The Royal Botanic Gardens, Kew on April 9, 2009 in London. (Photo by Peter Macdiarmid/Getty Images)
LONDON, ENGLAND - APRIL 09: Tropical horticulturist Carlos Magdalena checks a plant in the misting unit at the Tropical Nursery at The Royal Botanic Gardens, Kew on April 9, 2009 in London. (Photo by Peter Macdiarmid/Getty Images)