Before shopping for plants based on your USDA Plant Hardiness Zone, please read our in-depth article about Plant Hardiness Zone Maps to understand their uses and their limitations.
Use the official USDA Hardiness Zone Map to determine your zone by zip code.
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Sambucus 'Chocolate Marzipan'
Item #: 17496
Zones: 5a to 9a
Dormancy: Winter
Height: 144" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.20Regular priceUnit price per$29.00Sale price $23.20
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Nananthus vittatus
Item #: 14224
Zones: 6a to 10b
Dormancy: Evergreen
Height: 2" tall
Culture: Sun
Origin: South Africa
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $17.60Regular priceUnit price per$22.00Sale price $17.60
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Sarracenia 'Redbug'
Item #: 5754
Zones: 5a to 9b
Dormancy: Winter
Height: 12" tall
Culture: Sun to Part Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $30.00Regular priceUnit price per -
Sold outLilium superbum
Item #: 2696
Zones: 5a to 8b, at least
Dormancy: Winter
Height: 84" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Echinacea 'Sombrero Tres Amigos' PP 30,750
Item #: 17573
Zones: 4a to 9b
Dormancy: Winter
Height: 22" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Sold outDasylirion leiophyllum 'Chaves'
Item #: 16042
Zones: 5a to 10b
Dormancy: Evergreen
Height: 48" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $28.00Regular priceUnit price per -
Chamaecyparis pisifera 'Baby Blue Ice'
Item #: 14375
Zones: 4a to 8b
Dormancy: Evergreen
Height: 108" tall
Culture: Sun to Part Sun
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.60Regular priceUnit price per$32.00Sale price $25.60
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Sold outZingiber mioga 'Lushan Gold'
Item #: 16850
Zones: 6a to 9b, guessing
Dormancy: Winter
Height: 48" tall
Culture: Part Sun to Light Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Mitchella repens 'Danny'
Item #: 13027
Zones: 3a to 9b
Dormancy: Evergreen
Height: 1" tall
Culture: Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $18.40Regular priceUnit price per$23.00Sale price $18.40Sale -
Epimedium 'Spring Sunrise'
Item #: 14841
Zones: 6a to 8b, possibly colder
Dormancy: Evergreen
Height: 32" tall
Culture: Part Sun to Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $35.00Regular priceUnit price per -
Dentaria laciniata 'Priceless'
Item #: 16191
Zones: 4a to 8b
Dormancy: Summer, Fall
Height: 10" tall
Culture: Light Shade to Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Polygonatum falcatum 'Nippon Sunbeam'
Item #: 10825
Zones: 4a to 8b
Dormancy: Winter
Height: 18" tall
Culture: Part Sun to Light Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $32.00Regular priceUnit price per -
Sold outAlstroemeria 'Summer Heat'
Item #: 18265
Zones: 5b to 8b, at least
Dormancy: Winter
Height: 42" tall
Culture: Sun to Part Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Helleborus x hybridus Winter Delights Double Pink
Item #: 9033
Zones: 4a to 8b
Dormancy: Evergreen
Height: 15" tall
Culture: Part Sun to Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $30.00Regular priceUnit price per -
Sarracenia 'Bog Witch'
Item #: 12758
Zones: 5a to 9b
Dormancy: Winter
Height: 20" tall
Culture: Sun to Part Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $32.00Regular priceUnit price per -
Paeonia 'Kansas'
Item #: 5653
Zones: 4a to 8b
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3 qt. (2.8 L)
Regular price $28.00Regular priceUnit price per$35.00Sale price $28.00Sale -
Pontederia cordata 'Sopchoppy'
Item #: 17198
Zones: 5a to 10b, at least
Dormancy: Winter
Height: 36" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Carex cherokeensis 'Crying Time'
Item #: 16663
Zones: 6a to 9b, possibly colder
Dormancy: Evergreen
Height: 30" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Helleborus x hybridus Winter Delights Purple
Item #: 8211
Zones: 4a to 8b
Dormancy: Evergreen
Height: 15" tall
Culture: Part Sun to Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Sold outHelicodiceros muscivorus
Item #: 8667
Zones: 6a to 10b, possibly colder
Dormancy: Summer, Fall
Height: 12" tall
Culture: Part Sun to Light Shade
Origin: Mediterranean Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Sold outAsarum 'Tama Rasya'
Item #: 7915
Zones: 5b to 9b
Dormancy: Evergreen
Height: 3" tall
Culture: Light Shade to Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $34.00Regular priceUnit price per -
Liatris pycnostachya
Item #: 3798
Zones: 3a to 8b
Dormancy: Winter
Height: 48" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Carex howei 'Willow the Wisp'
Item #: 17608
Zones: 5a to 9b, guessing
Dormancy: Evergreen
Height: 18" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Sarracenia x swaniana
Item #: 12665
Zones: 5a to 9b
Dormancy: Winter
Height: 15" tall
Culture: Sun to Part Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $30.00Regular priceUnit price per
More Information About Plants for Zone 6
Zone 6a and Zone 6b Plants
Many of the perennial plants in our catalog are well-suited for Zones 6a or 6b. Some of our favorite species of acanthus, achillea, agapanthus, agastache, baptisia, brunnera, buddleia, carex, chrysanthemum, coreopsis, delosperma, dentaria, dianthus, echinacea, epimedium, euphorbia, geranium, heuchera, hosta, kniphofia, lilium, lycoris, monarda, paeonia, phlox, polygonatum, podophyllum, rohdea, salvia, solidago and more can survive Zone 4 winter temperatures. Be sure to read how we assign hardiness zones to our plants.
The USDA Plant Hardiness Zone Map is based on the average annual minimum winter temperature, divided into 10-degree F zones. Each zone is then subdivided into 5-degree F sub-zones. Zone numbers increase as you move from north to south.
Zone 6a annual minimum winter temperatures should be -10 to -5 °F (-23.3 to -20.6 °C). Zone 6b annual minimum temperatures should be -5 to 0 °F (-20.6 to -17.8 °C). Keep in mind that the zone designation does not tell you how many days the area may reach those average minimums. There can also be a major difference between what plants will grow in the 'a' or 'b' sub-zones.