(1) Next, to create a casual country look, she interspersed three large fieldstones in the bed, then planted flowering perennials such as astilbe, columbine , delphinium, and hellebore among them.(2) Most columbine flowers have backward-projecting spurs that contain rich nectar that can only be reached by hummingbirds.(3) The same goes for roses, columbine , dahlias, veronicas, salvias and many perennials - and it's true for most annuals as well.(4) Seeds of most hardy perennials - including bleeding heart, butterfly weed, columbine , delphinium, liatris, and penstemon - require a period of chilling to germinate.(5) However, in a high-elevation species of columbine , enhanced UV-B radiation appeared to destroy alkaloids.(6) Provide bright flowers such as columbine , Japanese quince, scarlet sage, snapdragons, coral bells, trumpet honeysuckle, bee balm, phlox and others that are tube-shaped to attract hummingbirds.(7) As we climb, the maze of trees, ferns, and blueberry bushes gives way to subalpine meadows painted with purple lupine, pale blue gentians, crimson columbine , and yellow arnica.(8) Among the wildflowers are a red columbine , aster, figwort, wild sarsaparilla, fleabane, and avens.(9) Other wildflowers are common Solomon's seal, false Solomon's seal, two kinds of golden bellworts, hepatica, wild columbine , monkshood, bloodroot, toothwort, and wild ginger.(10) All columbine flowers have backward-projecting spurs that contain rich nectar.(11) The mound, from base to crown, was cloaked in flowers; in monkshood, columbine , goldenrod, blazingstar and others.(12) Handsome at all seasons, in early spring bishop's hat is embellished by sprays of tiny flowers that resemble miniature columbine .(13) My favorite imitator, the Hinckley columbine , is like a butter-yellow, otherworldly bird.(14) Other gardeners prefer to interplant them with spring flowers such as columbines , daisies, dianthus, Iceland poppies, lupines, and peonies.(15) Seeds of most hardy perennials, including bleeding hearts, columbines , phlox, and primulas, require a period of chilling to germinate.(16) Deep-throated blooms such as columbines and salvias best serve butterflies with longer tongues.