Playful Mix with Alliums.In early summer, the eight-inch orbs of Allium 'Globemaster' are joined by voluptuous, coral-pink poppies and smaller flowered, periwinkle-blue larkspur. "There's an unexpected lightness to the playful interplay of color, texture and bearing," says Oklahoma City garden designer Linda Vater. "The alliums are perennial here. The anonymous poppies and larkspur are self-seeding annuals.