EXPAND your knowledge of plants that spread when host Jamie Durie visits San Diego to tour the luxurious landscape of garden designer Dinah Grisdale. POUND the pavement, or cobblestone, when the Stone Guys, Dean and Derek, show you how to lay cobble, improving the look of your driveway. VISIT the Water Conservation Garden near San Diego with host Jamie Durie to learn creative ideas for developing a water-wise ground cover. LEARN about (and cook with!) a sprawling, delicious vegetable - the humble squash - with Chef Michel Nischan.