What plants go in a butterfly garden?

Many varieties are good at attracting butterflies. They include allium, aster, bee balm, butterfly bush, clove pink, cornflower, daylily, false indigo, fleabane, floss flower, globe thistle, goldenrod, Helen’s flower, hollyhock, honeysuckle, lavender, lilac, lupine, lychnis, mallow, milkweed, pansy, phlox, privet, purple coneflower, purple loosestrife, rock cress, sea holly, Shasta daisy, snapdragon, stonecrop, sweet alyssum, sweet rocket, tickseed, and zinnia.