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.
- Gran's Favourite carnationDianthus 'Grans Favourite'Zones 5 to 9 · Full sun · 1 to 2 ft
- Grape Knee-Hi lobeliaLobelia 'Grape Knee-Hi'Zones 6 to 9 · Sun to part shade · 2 ft
- Green Puff daylilyHemerocallis 'Green Puff'Zones 3 to 9 · Sun to part shade · 18"
- Green Tarantula daylilyHemerocallis 'Green Tarantula'Zones 3 to 9 · Sun to part shade · 3 ft
- Greywoods Lofty Lizzie daylilyHemerocallis 'Greywoods Lofty Lizzie'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Harlequin Gem lenten roseHelleborus 'Harlequin Gem'Zones 5 to 8 · Part to full shade · 1 to 2 ft
- Harvest Moon johnny jump upViola 'Harvest Moon'Zones 5 to 8 · Sun to part shade · 6 to 9"
- Harvington Double White lenten roseHelleborus hybridus 'Harvington Double White'Zones 5 to 9 · Part shade · 1 to 2 ft
- Heaven tickseedCoreopsis rosea 'Heaven'Zones 5 to 8 · Full sun · 9 to 18"
- Heavenly Dream coneflowerEchinacea 'Heavenly Dream'Zones 3 to 8 · Sun to part shade · 2 ft
- Helen carnationDianthus 'Helen'Zones 5 to 8 · Sun to part shade · 9 to 12"
- Henry VIII Red hollyhockAlcea rosea 'Henry VIII Red'Zones 3 to 9 · Full sun · 6 to 8 ft
- Heraud cut-leaf kittentailVeronica 'Heraud'Zones 4 to 8 · Sun to part shade · 18"
- HGC Green Corsican lenten roseHelleborus nigercors 'HGC Green Corsican'Zones 5 to 9 · Part shade · 1 to 2 ft
- HGC Ice n Roses Red lenten roseHelleborus 'HGC Ice n Roses Red'Zones 4 to 9 · Sun to part shade · 1 to 2 ft
- HGC Maestro lenten roseHelleborus ballardiae 'HGC Maestro'Zones 5 to 8 · Part shade · 1 to 2 ft
- HGC Merlin lenten roseHelleborus ballardiae 'HGC Merlin'Zones 5 to 8 · Part shade · 1 to 2 ft
- Hollywood daylilyHemerocallis 'Hollywood'Zones 3 to 9 · Sun to part shade · 2 ft
- HONEYBUNCH Red & Gold tickseedCoreopsis 'HONEYBUNCH Red & Gold'Zones 5 to 10 · Full sun · 12"
- Horatio carnationDianthus 'Horatio'Zones 4 to 8 · Sun to part shade · 6 to 9"
- IB2401 candytuftIberis 'IB2401'Zones 4 to 8 · Full sun · 6 to 12"
- If I Were a Shepherd daylilyHemerocallis 'If I Were a Shepherd'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Ignacy Domeyko daylilyHemerocallis 'Ignacy Domeyko'Zones 3 to 9 · Sun to part shade · 2 ft
- Imperial Sun tickseedCoreopsis 'Imperial Sun'Zones 5 to 10 · Full sun · 1 to 2 ft
- Inca Gold yarrowAchillea 'Inca Gold'Zones 3 to 9 · Sun to part shade · 2 ft
- Inchmery carnationDianthus 'Inchmery'Zones 3 to 8 · Sun to part shade · 9 to 12"
- Inkblot foam flowerTiarella 'Inkblot'Zones 3 to 8 · Part to full shade · 6 to 12"
- Ipswich Pink carnationDianthus 'Ipswich Pink'Zones 3 to 8 · Sun to part shade · 6 to 9"
- Irish Spring pulmonariaPulmonaria 'Irish Spring'Zones 4 to 9 · Part to full shade · 6 to 9"
- Ivory Dawn daylilyHemerocallis 'Ivory Dawn'Zones 3 to 9 · Sun to part shade · 2 ft
- Jade Star daylilyHemerocallis 'Jade Star'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Jeepers Creepers foam flowerTiarella 'Jeepers Creepers'Zones 4 to 9 · Part to full shade · 12"
- Jessie spurgeEuphorbia 'Jessie'Zones 4 to 9 · Sun to part shade · 3 to 5 ft
- Jewelled Crown Siberian irisIris sibirica 'Jewelled Crown'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Juan Tapia daylilyHemerocallis 'Juan Tapia'Zones 3 to 9 · Sun to part shade · 2 ft
- Just a Bit daylilyHemerocallis 'Just a Bit'Zones 3 to 9 · Sun to part shade · 9 to 12"
- Katie daylilyHemerocallis 'Katie'Zones 3 to 9 · Sun to part shade · 2 ft
- Kobold Original dense blazing starLiatris spicata 'Kobold Original'Zones 3 to 8 · Full sun · 9 to 18"
- La Fresco lobeliaLobelia 'La Fresco'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Laced Romeo carnationDianthus 'Laced Romeo'Zones 5 to 8 · Sun to part shade · 12 to 18"
- Lady Eva daylilyHemerocallis 'Lady Eva'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Lady Florence daylilyHemerocallis 'Lady Florence'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Lady Rose daylilyHemerocallis 'Lady Rose'Zones 4 to 9 · Sun to part shade · 2 ft
- Laird of Skye foam flowerTiarella 'Laird of Skye'Zones 4 to 9 · Part to full shade · 9 to 18"
- LAKOTA Fire coneflowerEchinacea 'LAKOTA Fire'Zones 4 to 8 · Full sun · 1 to 2 ft
- Late Plum daylilyHemerocallis 'Late Plum'Zones 4 to 9 · Sun to part shade · 2 to 3 ft
- Laura johnny jump upViola 'Laura'Zones 5 to 7 · Sun to shade · 6 to 9"
- Lavandula Schola lavenderLavandula angustifolia 'Lavandula Schola'Zones 5 to 8 · Sun to part shade · 9 to 18"
- Lightning Strike toad lilyTricyrtis hirta 'Lightning Strike'Zones 5 to 8 · Part to full shade · 2 to 3 ft
- Lilac Candles great blue lobeliaLobelia siphilitica 'Lilac Candles'Zones 4 to 9 · Sun to part shade · 12 to 18"
- Little Audrey daylilyHemerocallis 'Little Audrey'Zones 3 to 9 · Sun to part shade · 2 ft
- Little Baby Mine daylilyHemerocallis 'Little Baby Mine'Zones 3 to 9 · Sun to part shade · 18"
- Little Doll daylilyHemerocallis 'Little Doll'Zones 3 to 9 · Sun to part shade · 2 ft
- Little Fat Cat daylilyHemerocallis 'Little Fat Cat'Zones 3 to 9 · Sun to part shade · 2 to 3 ft
- Little Night sageSalvia sylvestris 'Little Night'Zones 4 to 8 · Sun to part shade · 9 to 12"
- Longipes nepetaNepeta 'Longipes'Zones 3 to 8 · Sun to part shade · 2 to 3 ft
- Lullaby Baby daylilyHemerocallis 'Lullaby Baby'Zones 3 to 9 · Sun to part shade · 2 ft
- Lye End sageSalvia sylvestris 'Lye End'Zones 4 to 7 · Sun to part shade · 3 to 5 ft
- Maikonigin ox-eye daisyLeucanthemum vulgare 'Maikonigin'Zones 3 to 8 · Sun to part shade · 1 to 3 ft
- Mann cut-leaf kittentailVeronica 'Mann'Zones 5 to 8 · Full sun · 6 to 9"