garden contains plants suitable to Zone 14 that still appear alpine. Sensory Garden – raised beds, water fountain and more than 75 fragrant herbs and plants interesting to touch. Stroll Garden (1997). Ward Garden (1989) – a lawn of tall fescue grass, with five ornamental cherry trees. Water Conservation Garden (2004). Waterfall Garden (2000) – eleven waterfalls, ponds, and two bridges. See also List of botanical gardens in the United States References External links Official site Botanical gardens in California Walnut Creek, California Protected areas of Contra Costa County, California