Zone 4: Perennials

Aster or Hardy Aster (Aster sp.)
Astilbe (Astilbe sp.)
Baby's breath (Gypsophila paniculata)
Balloon flower or Chinese bellflower (Platycodon grandiflorus)
Basket-of-gold (Aurinia saxatilis)
Beardtongue, penstemon (Penstemon)
Bee balm, Oswego tea (Monarda sp.)
Bellflower (Campanula sp.)
Bergenia (Bergenia sp.)
Black-eyed Susan (Rudbeckia sp.)
Blanket flower (Gaillardia x grandiflora)
Bleeding heart (Dicentra)
Blue fescue (Festuca glauca)
Bluestar (Amsonia)
Boltonia (Boltonia asteroides)
Brunnera (Brunnera macrophylla)
Bugbane (Cimicifuga)
Bugleweed (Ajuga sp.)
Bugloss (Anchusa)
Campion, catchfly (Lychnis)
Candytuft (Iberis)
Cardinal flower (Lobelia)
Chamomile (Anthemis)
Columbine (Aquilegia)
Coneflower (Echinacea sp.)
Coral bells, alumroot (Heuchera)
Coreopsis, common (Coreopsis grandiflora)
Coreopsis, threadleaf, tickseed (Coreopsis verticillata)
Cranesbill (Geranium)
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)
Hosta (Hosta sp.)
Hydrangea, smooth (Hydrangea arborescens) (shrub in warmer zones)
Inula, swordleaf (Inula ensifolia)
Iris, bearded (Iris hybrids)
Iris, crested (Iris cristata)
Iris, Japanese (Iris ensata)
Iris, Louisiana
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.)
Meadowsweet (Filipendula)
Onion, flowering (Allium)
Pearly everlasting (Anaphalis)
Peony (Paenoia)
Phlox, garden (Phlox paniculata)
Pincushion flower (Scabiosa)
Poppy (Papaver)
Primrose (Primula)
Rock-jasmine (Androsace mucronifolia, A. lanuguinosa, A. sempervivoides, A. septentrionalis)
Sage, common (Salvia officinalis)
Sage, Russian (Perovskia atriplicifolia)
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, creeping phlox (Phlox subulata)
Thyme (Thymus sp.)
Valerian, red (Centranthus)
Violet (Viola)
Windflower (Anemone)
Wormwood (Artemisia)
Yarrow (Achillea)

Use our Gardening Zone Finder to determine which plants will grow in your area.