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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Dianthus 'Razzlepop'
Item #: 17008
Zones: 3a to 8a
Dormancy: Evergreen
Height: 12" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per
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Cyclamen hederifolium Long Leaf Form
Item #: 8161
Zones: 4a to 8b
Dormancy: Spring, Summer
Height: 6" tall
Culture: Part Sun to Light Shade
Origin: Southern Europe
Pot Size: 2.5" pot (7.9 fl. oz/233 ml)
Regular price $24.00Regular priceUnit price per -
Sold outPodophyllum versipelle ssp. boreale
Item #: 1548
Zones: 5a to 8b, at least
Dormancy: Winter
Height: 36" tall
Culture: Part Sun to Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $35.00Regular priceUnit price per -
Baptisia 'Lightning Rods'
Item #: 14276
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 60" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Selaginella apoda
Item #: 7655
Zones: 5a to 9b, guessing
Dormancy: Evergreen
Height: 2" tall
Culture: Sun to Part Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $19.00Regular priceUnit price per -
Carex 'Feather Falls' PP 26,199
Item #: 16730
Zones: 6a to 9b
Dormancy: Evergreen
Height: 24" tall
Culture: Part Sun to Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Podophyllum x boreiforme 'Standing Tall'
Item #: 13665
Zones: 5a to 8b, at least
Dormancy: Winter
Height: 42" tall
Culture: Part Sun to Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $38.00Regular priceUnit price per -
Indigofera kirilowii 'Christo'
Item #: 674
Zones: 4b to 8b
Dormancy: Winter
Height: 18" tall
Culture: Sun to Part Sun
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $24.00Regular priceUnit price per -
Epimedium wushanense 'Sandy Claws'
Item #: 8861
Zones: 6a to 8b, possibly colder
Dormancy: Evergreen
Height: 12" tall
Culture: Part Sun to Light Shade
Origin: China
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $32.00Regular priceUnit price per -
Artemisia frigida 'Silver Eagle'
Item #: 17117
Zones: 3a to 8b, at least
Dormancy: Evergreen
Height: 18" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Phlox paniculata 'Opalescence' PP 33,295
Item #: 17114
Zones: 5a to 9b, at least
Dormancy: Winter
Height: 36" tall
Culture: Sun
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $21.00Regular priceUnit price per -
Sold outLiriope muscari 'Okina'
Item #: 3542
Zones: 6a to 10b
Dormancy: Evergreen
Height: 10" tall
Culture: Part Sun to Light Shade
Origin: China, Japan, Taiwan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Patrinia scabiosifolia
Item #: 627
Zones: 4a to 9b, at least
Dormancy: Winter
Height: 70" tall
Culture: Sun to Light Shade
Origin: Korea
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Hosta 'Crazy Mouse'
Item #: 13307
Zones: 3a to 8b
Dormancy: Winter
Height: 8" tall
Culture: Light Shade
Origin: Hybrid
Pot Size: 2 qt. (1.9 L)
Regular price $27.00Regular priceUnit price per -
Tanacetum vulgare 'Isla Gold'
Item #: 4219
Zones: 3a to 8b
Dormancy: Winter
Height: 18" tall
Culture: Sun
Origin: Asia, Europe
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $22.00Regular priceUnit price per -
Sedum bithynicum
Item #: 2798
Zones: 5a to 8b, at least
Dormancy: Evergreen
Height: 3" tall
Culture: Sun to Part Sun
Origin: Turkey
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $19.00Regular priceUnit price per -
Bletilla striata 'Gotemba Stripes'
Item #: 8409
Zones: 6a to 9b
Dormancy: Winter
Height: 24" tall
Culture: Part Sun
Origin: Burma/Myanmar, China, Japan, Korea
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $39.00Regular priceUnit price per -
Polygonatum infundiflorum 'Lemon Seoul'
Item #: 5473
Zones: 5a to 9b, at least
Dormancy: Winter
Height: 36" tall
Culture: Part Sun to Shade
Origin: Korea
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $27.00Regular priceUnit price per -
Polystichum acrostichoides
Item #: 295
Zones: 4a to 9b
Dormancy: Evergreen
Height: 15" tall
Culture: Part Sun to Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $23.00Regular priceUnit price per -
Sold outBaptisia x arachnifolia
Item #: 9474
Zones: 6a to 9b, possibly colder
Dormancy: Winter
Height: 42" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $29.00Regular priceUnit price per -
Paeonia 'Cora Stubbs'
Item #: 4494
Zones: 3a to 8a
Dormancy: Winter
Height: 32" tall
Culture: Sun
Origin: Hybrid
Pot Size: 3 qt. (2.8 L)
Regular price $35.00Regular priceUnit price per -
Iris cristata 'Merle's Ruby'
Item #: 10193
Zones: 3a to 8b
Dormancy: Winter
Height: 8" tall
Culture: Part Sun to Light Shade
Origin: United States
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $25.00Regular priceUnit price per -
Monarda 'Electric Neon Purple' PP 34,512
Item #: 17878
Zones: 4a to 8b, at least
Dormancy: Winter
Height: 24" tall
Culture: Sun
Origin: United States Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $20.00Regular priceUnit price per -
Helleborus x ericsmithii 'Champion'
Item #: 9269
Zones: 5a to 8b
Dormancy: Evergreen
Height: 15" tall
Culture: Part Sun to Light Shade
Origin: Hybrid
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
Regular price $28.00Regular 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.