In 1976, Sylva became the caretaker of the Maui Zoological and Botanical Gardens in Kahului, Hawaii, which later became known as the Maui Nui Botanical Gardens.
Royal Botanic Gardens, Kew | Maui | botanical garden | New York Botanical Garden | Kew Gardens | Maple Leaf Gardens | Tivoli Gardens | Sir Harold Hillier Gardens | Royal Botanic Gardens | Better Homes and Gardens | The Gardens | University of Copenhagen Botanical Garden | The King of Marvin Gardens | Shalimar Gardens | National Council for the Conservation of Plants and Gardens | Kew Gardens, Queens | Better Homes and Gardens (magazine) | Victory Gardens Theater | Botanical Garden | University of California Botanical Garden | Missouri Botanical Garden | Maui Invitational Tournament | Grey Gardens | Eden Gardens | Botanical Gardens | Vauxhall Gardens | The Gardens, Northern Territory | Saint Petersburg Botanical Garden | Royal Botanical Gardens | National Tropical Botanical Garden |