Perennials for zone 6
These 11,756 perennials grow in USDA zone 6. Zone 6 winters reach -10 to 0°F (-23 to -18°C). Garden centre favorites come first. Find your zone.
- Ruffled Ruby daylilyHemerocallis 'Ruffled Ruby'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Sandy Shores lenten roseHelleborus 'Sandy Shores'Zones 4 to 9 · Part to full shade · 1 to 2 ft
- Santa Fe coneflowerEchinacea 'Santa Fe'Zones 4 to 8 · Sun to part shade · 1 to 2 ft
- Secret Joy coneflowerEchinacea 'Secret Joy'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Secret Love coneflowerEchinacea 'Secret Love'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Secret Passion coneflowerEchinacea 'Secret Passion'Zones 4 to 9 · Sun to part shade · 1 to 3 ft
- Sensation Pink coneflowerEchinacea 'Sensation Pink'Zones 4 to 8 · Sun to part shade · 1 to 2 ft
- Sensation Rose sageSalvia nemorosa 'Sensation Rose'Zones 4 to 8 · Sun to part shade · 9 to 12"
- Shirley Pope Siberian irisIris sibirica 'Shirley Pope'Zones 3 to 8 · Sun to part shade · 2 to 3 ft
- Shotgun Wedding lenten roseHelleborus 'Shotgun Wedding'Zones 4 to 9 · Part to full shade · 1 to 2 ft
- Siloam Amazing Grace daylilyHemerocallis 'Siloam Amazing Grace'Zones 3 to 9 · Sun to part shade · 2 ft
- Siloam Cherry Chimes daylilyHemerocallis 'Siloam Cherry Chimes'Zones 3 to 9 · Sun to part shade · 18"
- Siloam David Kirchhoff daylilyHemerocallis 'Siloam David Kirchhoff'Zones 3 to 9 · Sun to part shade · 18"
- Siloam June Bug daylilyHemerocallis 'Siloam June Bug'Zones 3 to 8 · Sun to part shade · 2 ft
- Siloam Merle Kent daylilyHemerocallis 'Siloam Merle Kent'Zones 3 to 9 · Sun to part shade · 2 ft
- Siloam Peony Display daylilyHemerocallis 'Siloam Peony Display'Zones 3 to 9 · Sun to part shade · 2 ft
- Siloam Shocker daylilyHemerocallis 'Siloam Shocker'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Siskin Clock carnationDianthus 'Siskin Clock'Zones 5 to 7 · Sun to part shade · 6 to 9"
- Sky Mirror Siberian irisIris sibirica 'Sky Mirror'Zones 3 to 8 · Sun to part shade · 2 to 3 ft
- Snow Cone coneflowerEchinacea 'Snow Cone'Zones 3 to 8 · Sun to part shade · 2 ft
- Snow Queen Siberian irisIris sibirica 'Snow Queen'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Solar Flare coneflowerEchinacea 'Solar Flare'Zones 4 to 8 · Sun to part shade · 2 to 3 ft
- Solar Flare red-hot pokerKniphofia 'Solar Flare'Zones 5 to 9 · Sun to part shade · 3 to 4 ft
- Sombrero Flamenco Orange coneflowerEchinacea 'Sombrero Flamenco Orange'Zones 4 to 9 · Full sun · 1 to 2 ft
- Sombrero Hot Pink coneflowerEchinacea 'Sombrero Hot Pink'Zones 3 to 8 · Sun to part shade · 2 ft
- Sombrero Sandy Yellow coneflowerEchinacea 'Sombrero Sandy Yellow'Zones 4 to 9 · Full sun · 1 to 2 ft
- Song Sparrow daylilyHemerocallis 'Song Sparrow'Zones 2 to 9 · Sun to part shade · 2 to 3 ft
- Sooty sweet williamDianthus barbatus 'Sooty'Zones 3 to 9 · Sun to part shade · 18"
- Sound of My Heart daylilyHemerocallis 'Sound of My Heart'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Spacecoast Sea Shells daylilyHemerocallis 'Spacecoast Sea Shells'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Spacecoast Tiny Perfection daylilyHemerocallis 'Spacecoast Tiny Perfection'Zones 3 to 9 · Sun to part shade · 18"
- Spangled Star carnationDianthus 'Spangled Star'Zones 4 to 8 · Sun to part shade · 6 to 9"
- Sparkling Diamond lenten roseHelleborus 'Sparkling Diamond'Zones 5 to 8 · Part to full shade · 1 to 2 ft
- Spring Celebrities Purple hollyhockAlcea rosea 'Spring Celebrities Purple'Zones 6 to 9 · Full sun · 2 to 3 ft
- Stardust ice plantHylotelephium spectabile 'Stardust'Zones 3 to 9 · Sun to part shade · 18"
- Starstruck blue starAmsonia 'Starstruck'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Steeple Jackie daylilyHemerocallis 'Steeple Jackie'Zones 3 to 9 · Sun to part shade · 4 to 5 ft
- Strawberry Fair Siberian irisIris sibirica 'Strawberry Fair'Zones 3 to 8 · Sun to part shade · 2 to 3 ft
- Strawberry Rose daylilyHemerocallis 'Strawberry Rose'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Summer Breeze gauraOenothera lindheimeri 'Summer Breeze'Zones 5 to 9 · Full sun · 3 to 4 ft
- Summer Fiesta bill williams mountain giant hyssopAgastache 'Summer Fiesta'Zones 6 to 10 · Full sun · 2 to 3 ft
- Summer Love bill williams mountain giant hyssopAgastache 'Summer Love'Zones 6 to 9 · Full sun · 2 to 3 ft
- Summer Sunset bill williams mountain giant hyssopAgastache 'Summer Sunset'Zones 6 to 10 · Full sun · 1 to 2 ft
- Sundown coneflowerEchinacea 'Sundown'Zones 3 to 8 · Sun to part shade · 2 to 3 ft
- Sunfisher Siberian irisIris sibirica 'Sunfisher'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Sunflor Chocolate carnationDianthus 'Sunflor Chocolate'Zones 4 to 9 · Sun to part shade · 9 to 18"
- Sunset Mexican blanket flowerGaillardia grandiflora 'Sunset Mexican'Zones 5 to 9 · Full sun · 1 to 2 ft
- Sunset Snappy Indian blanketGaillardia 'Sunset Snappy'Zones 3 to 10 · Full sun · 12 to 18"
- Super Star tickseedCoreopsis 'Super Star'Zones 5 to 9 · Full sun · 12 to 15"
- Supreme Elegance coneflowerEchinacea 'Supreme Elegance'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Supreme Flamingo coneflowerEchinacea 'Supreme Flamingo'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Swans in Flight Siberian irisIris sibirica 'Swans in Flight'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Sweet Fuchsia coneflowerEchinacea 'Sweet Fuchsia'Zones 4 to 9 · Full sun · 1 to 2 ft
- Sweet Joanne beardtonguePenstemon 'Sweet Joanne'Zones 5 to 9 · Full sun · 1 to 2 ft
- Sweet Marmalade tickseedCoreopsis 'Sweet Marmalade'Zones 5 to 9 · Full sun · 12 to 18"
- Swirling Water daylilyHemerocallis 'Swirling Water'Zones 3 to 9 · Sun to part shade · 2 ft
- Tanager coneflowerEchinacea 'Tanager'Zones 4 to 8 · Sun to part shade · 2 ft
- Techny Spider daylilyHemerocallis 'Techny Spider'Zones 3 to 9 · Sun to part shade · 2 ft
- The Chatelaine lupineLupinus 'The Chatelaine'Zones 4 to 7 · Sun to part shade · 3 to 4 ft
- The Fuchsia is Bright coneflowerEchinacea 'The Fuchsia is Bright'Zones 4 to 8 · Sun to part shade · 18 to 21"