Margaret Roach has been writing about gardens for more than 30 years. She is the creator of the acclaimedA Way to Gardenwebsite and podcast, and the author of "A Way to Garden," "And I Shall Have Some Peace There," and "The Backyard Parables." Her garden in the Hudson Valley (NY)/Berkshires (MA) region has been open for visitors on select days for 25-plus years.