Zone 5: Perennials
Glossy Abelia (Abelia x grandiflora) (woody shrub in warmer climates)
Aster or Hardy Aster (Aster sp.)
Astilbe (Astilbe sp.)
Baby's breath (Gypsophila paniculata)
Balloon flower or Chinese bellflower (Platycodon grandiflorus)
Barrenwort (Epimedium)
Basket-of-gold (Aurinia saxatilis)
Beardtongue, penstemon (Penstemon)
Bear's breeches (Acanthus sp.)
Bee balm, Oswego tea (Monarda sp.)
Begonia, hardy (Begonia grandis)
Bellflower (Campanula sp.)
Bergenia (Bergenia sp.)
Black-eyed Susan (Rudbeckia sp.)
Blanket flower (Gaillardia x grandiflora)
Bleeding heart (Dicentra)
Blue fescue (Festuca glauca)
Bluestar, or amsonia (Amsonia tabernaemontana)
Boltonia (Boltonia asteroides)
Brunnera (Brunnera macrophylla)
Bugbane (Cimicifuga)
Bugleweed (Ajuga sp.)
Bugloss (Anchusa)
Calamint, lesser (Calamintha nepetoides), hardy to Zone 5b
Campion, catchfly (Lychnis)
Candytuft (Iberis)
Cardinal flower (Lobelia)
Chamomile (Anthemis)
Chrysanthemum, Mum (Chrysanthemum)
Cinquefoil, Nepal (Potentilla nepalensis)
Colewort (Crambe cordifolia)
Columbine (Aquilegia)
Coneflower (Echinacea sp.)
Coral bells, alumroot (Heuchera)
Coreopsis, common (Coreopsis grandiflora)
Coreopsis, threadleaf, tickseed (Coreopsis verticillata)
Cranesbill (Geranium)
Crocosmia (Crocosmia crocosmiiflora) hybrids
Daylily (Hemerocallis sp.)
Delphinium (Delphinium)
Dianthus, pink, carnation (Dianthus)
Feather reed grass (Calamagrostis sp.)
Fleabane (Erigeron)
Foamflower (Tiarella cordifolia)
Foxglove (Digitalis)
Gas plant (Dictamnus)
Gayfeather (Liatris)
Globeflower (Trollius)
Goatsbeard (Aruncus sp.)
Golden-ray (Ligularia)
Hellebore (Helleborus)
Hibiscus, rose mallow (Hibiscus moscheutos)
Hibiscus, swamp (Hibiscus coccineus)
Hosta (Hosta sp.)
Hyssop, sunset (Agastache rupestris)
Inula, swordleaf (Inula ensifolia)
Iris, bearded (Iris hybrids)
Iris, crested (Iris cristata)
Iris, Japanese (Iris ensata)
Iris, Louisiana
Iris, reticulated (Iris reticulata)
Iris, Siberian (Iris sibirica)
Lady's mantle (Alchemilla)
Lamb's ear, betony (Stachys)
Leopard's-bane (Doronicum)
Lily (Lilium)
Lily, Canada (Lilium canadense)
Lily, gold band (Lilium auratum)
Lupine (Lupinus)
Maiden grass, Eulalia (Miscanthus sp.)
Meadow rue (Thalictrum)
Meadowsweet (Filipendula)
Onion, flowering (Allium)
Pearly everlasting (Anaphalis)
Peony (Paenoia)
Phlox, garden (Phlox paniculata)
Pincushion flower (Scabiosa)
Poppy (Papaver)
Plumbago, leadwort (Ceratostigma)
Primrose (Primula)
Red-hot poker (Kniphofia uvaria)
Sage, common (Salvia officinalis)
Sage, Russian (Perovskia atriplicifolia)
Salvia, perennial (Salvia x superba)
Sandwort (Arenaria)
Sea holly (Eryngium)
Sea lavender (Limonium)
Solomon's seal (Polygonatum)
Speedwell (Veronica)
Sunflower (Helianthus)
Sunflower, false (Heliopsis helianthoides)
Thrift, sea pink (Armeria)
Thrift, moss pink (Phlox subulata)
Thyme (Thymus sp.)
Valerian, red (Centranthus)
Violet (Viola)
Windflower (Anemone)
Wormwood (Artemisia)
Yarrow (Achillea)
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