Dahlias; Beautiful Varieties for Home & Garden (hardcover)Dahlias; Beautiful Varieties for Home & Garden The dahlia is a fabulous cutting flower for the home garden. Cut one bloom, and ten more appear on the plant. Blooming late summer to the first frost of autumn, this native of Mexico provides explosions of color in home gardens. The authors commentary unearths the dahlia from its Aztec origins and imparts practical, hands on knowledge for growing and overwintering these tropical plants in wintry climes.