Water lilies bloom on the "Birthday Pond" at Peaceable Kingdom. Peaceable Kingdom is a 250-acre site with 7 acres of themed gardens chocked full of blooms, crops and architectural elements. There's a kitchen garden, a berry patch, a spiral garden, a cottage garden, a butterfly garden, barns, ponds and twig structures. (Friday, April 25, 2008, in Houston. ( Steve Campbell / Chronicle).