MAKE any day Arbor Day after host Jamie Durie visits the Massachusetts Horticultural Society to explain how to choose and plant the right tree for the right spot. TEACH future generations about the importance of preserving the earth with gardening tips for kids from lifestyle co-host Sissy Biggers. DIG up some worms at the Water Conservation Garden at California's Cuyamaca College with Jamie's advice on vermiculture: worm-driven composting. EAT raw right from the garden with chef Michel Nischan.