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.
- Kim coneflowerEchinacea purpurea 'Kim'Zones 3 to 8 · Sun to part shade · 1 to 2 ft
- Kimberley peonyPaeonia lactiflora 'Kimberley'Zones 3 to 8 · Sun to part shade
- King Mauve irisIris 'King Mauve'Zones 5 to 9 · Full sun
- King Midas peonyPaeonia lactiflora 'King Midas'Zones 3 to 8 · Sun to part shade
- King of Peace peonyPaeonia lactiflora 'King of Peace'Zones 3 to 8 · Sun to part shade
- King’s Cross peonyPaeonia 'Kings Cross'Zones 3 to 8 · Sun to part shade
- King’s Ransom peonyPaeonia 'Kings Ransom'Zones 3 to 8 · Sun to part shade · 3 ft
- Kiowa peonyPaeonia lactiflora 'Kiowa'Zones 3 to 8 · Sun to part shade
- Klondike peonyPaeonia lactiflora 'Klondike'Zones 3 to 8 · Sun to part shade
- Kobe peonyPaeonia lactiflora 'Kobe'Zones 3 to 8 · Sun to part shade
- Kojiki peonyPaeonia lactiflora 'Kojiki'Zones 3 to 8 · Sun to part shade · 4 ft
- Kolyska peonyPaeonia lactiflora 'Kolyska'Zones 3 to 8 · Sun to part shade · 7 to 8"
- Konigsberg peonyPaeonia 'Konigsberg'Zones 3 to 8 · Sun to part shade
- F. Koppius peonyPaeonia lactiflora 'F. Koppius'Zones 3 to 8 · Sun to part shade · 3 to 4 ft
- Kristin Joy peonyPaeonia 'Kristin Joy'Zones 3 to 8 · Sun to part shade
- Kuri peonyPaeonia lactiflora 'Kuri'Zones 3 to 8 · Sun to part shade
- Kuroki peonyPaeonia lactiflora 'Kuroki'Zones 3 to 8 · Sun to part shade
- La Canadienne peonyPaeonia lactiflora 'La Canadienne'Zones 3 to 8 · Sun to part shade
- La Coquette peonyPaeonia lactiflora 'La Coquette'Zones 3 to 8 · Sun to part shade
- La Fiancée peonyPaeonia lactiflora 'La Fiancée'Zones 3 to 8 · Sun to part shade
- La Fontaine peonyPaeonia lactiflora 'La Fontaine'Zones 3 to 8 · Sun to part shade
- La Nuit peonyPaeonia lactiflora 'La Nuit'Zones 3 to 8 · Sun to part shade
- La Pinja peonyPaeonia lactiflora 'La Pinja'Zones 3 to 8 · Sun to part shade
- La Salle peonyPaeonia lactiflora 'La Salle'Zones 3 to 8 · Sun to part shade
- La Sublime peonyPaeonia lactiflora 'La Sublime'Zones 3 to 8 · Sun to part shade
- La Vestale peonyPaeonia lactiflora 'La Vestale'Zones 3 to 8 · Sun to part shade
- Lady Beresford peonyPaeonia lactiflora 'Lady Beresford'Zones 3 to 8 · Sun to part shade
- Lady Emily peonyPaeonia lactiflora 'Lady Emily'Zones 3 to 8 · Sun to part shade
- Lady In Pink peonyPaeonia 'Lady In Pink'Zones 3 to 8 · Sun to part shade
- Lady Jane peonyPaeonia lactiflora 'Lady Jane'Zones 3 to 8 · Sun to part shade
- Lady of the Lake peonyPaeonia lactiflora 'Lady of the Lake'Zones 3 to 8 · Sun to part shade
- Lady Romilly peonyPaeonia lactiflora 'Lady Romilly'Zones 3 to 8 · Sun to part shade · 3 ft
- Ladybird peonyPaeonia 'Ladybird'Zones 3 to 8 · Sun to part shade
- Lamartine peonyPaeonia lactiflora 'Lamartine'Zones 3 to 8 · Sun to part shade
- Landmark peonyPaeonia lactiflora 'Landmark'Zones 3 to 8 · Sun to part shade · 3 ft
- Langport Cross peonyPaeonia lactiflora 'Langport Cross'Zones 3 to 8 · Sun to part shade · 3 ft
- Last Rose peonyPaeonia lactiflora 'Last Rose'Zones 3 to 8 · Sun to part shade
- Laura Ellen peonyPaeonia lactiflora 'Laura Ellen'Zones 3 to 8 · Sun to part shade
- Laura Kelsey peonyPaeonia lactiflora 'Laura Kelsey'Zones 3 to 8 · Sun to part shade
- Laura Magnuson peonyPaeonia 'Laura Magnuson'Zones 3 to 8 · Sun to part shade
- Laura Vories peonyPaeonia lactiflora 'Laura Vories'Zones 3 to 8 · Sun to part shade
- Lavender Lace peonyPaeonia lactiflora 'Lavender Lace'Zones 3 to 8 · Sun to part shade · 3 ft
- Le Patriote Québécois peonyPaeonia lactiflora 'Le Patriote Québécois'Zones 3 to 8 · Sun to part shade
- Lee peonyPaeonia lactiflora 'Lee'Zones 3 to 8 · Sun to part shade
- Lee W. Pollock peonyPaeonia lactiflora 'Lee W. Pollock'Zones 3 to 8 · Sun to part shade
- Legend peonyPaeonia lactiflora 'Legend'Zones 3 to 8 · Sun to part shade
- Legionnaire peonyPaeonia 'Legionnaire'Zones 3 to 8 · Sun to part shade
- Lemon Champion irisIris 'Lemon Champion'Zones 5 to 9 · Full sun
- Lemon Honey peonyPaeonia 'Lemon Honey'Zones 4 to 9 · Sun to part shade · 3 to 7 ft
- Leona Kinney peonyPaeonia lactiflora 'Leona Kinney'Zones 3 to 8 · Sun to part shade
- Leone Gardner peonyPaeonia lactiflora 'Leone Gardner'Zones 3 to 8 · Sun to part shade
- L’Etincelante peonyPaeonia lactiflora 'LEtincelante'Zones 3 to 8 · Sun to part shade · 4 ft
- Lettie peonyPaeonia lactiflora 'Lettie'Zones 3 to 8 · Sun to part shade
- Lewis’ American Beauty peonyPaeonia lactiflora 'Lewis American Beauty'Zones 3 to 8 · Sun to part shade
- Liboria Maass peonyPaeonia 'Liboria Maass'Zones 3 to 8 · Sun to part shade
- Lietuvos Elegancija peonyPaeonia lactiflora 'Lietuvos Elegancija'Zones 3 to 8 · Sun to part shade · 3 ft
- Lietuvos Galiunas peonyPaeonia lactiflora 'Lietuvos Galiunas'Zones 3 to 8 · Sun to part shade · 4 ft
- Lietuvos Laimes Ziburys peonyPaeonia lactiflora 'Lietuvos Laimes Ziburys'Zones 3 to 8 · Sun to part shade · 4 ft
- Lietuvos Svyturys peonyPaeonia lactiflora 'Lietuvos Svyturys'Zones 3 to 8 · Sun to part shade · 4 ft
- Lights Out peonyPaeonia lactiflora 'Lights Out'Zones 3 to 8 · Sun to part shade · 3 ft