Carnation
Dianthus 'Supra Purple'
Zones 5-
9
6
USDA Hardiness Zone 6
-10 to 0°F • Moderate winter climates
Includes sub-zones: 6a, 6b | Ideal for: perennials, shrubs, ornamental trees | 5960 total plants
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Carnation
Dianthus 'Valda Kitty' DEVON COTTAGE RUBY'S TUESDAY
Zones 6-
9
Carnation
Dianthus superbus
Zones 3-
8
Carolina allspice
Calycanthus floridus 'Athens'
Zones 4-
8
Carolina allspice
Calycanthus 'Venus'
Zones 5-
9
Carolina allspice
Calycanthus raulstonii 'Hartlage Wine'
Zones 5-
9
Carolina allspice
Calycanthus floridus
Zones 4-
9
Carolina buckthorn
Frangula caroliniana
Zones 5-
9
Carolina hemlock
Tsuga caroliniana
Zones 6-
7
Carolina larkspur
Delphinium carolinianum
Zones 4-
7
Carolina lupine
Thermopsis villosa
Zones 4-
9
Carolina moonseed
Cocculus carolinus
Zones 5-
9
Carolina pink
Spigelia marilandica
Zones 5-
9
Carolina rose
Rosa carolina
Zones 4-
9
Carolina silverbell
Halesia carolina
Zones 4-
8
Carrot
Daucus carota var. Sativus
Zones 2-
11
Castor aralia
Kalopanax septemlobus
Zones 4-
7
Cat mint
Nepeta racemosa
Zones 4-
8
Catalpa
Catalpa bignonioides
Zones 5-
9
Catalpa
Catalpa speciosa
Zones 4-
8
Catawba rhododendron
Rhododendron catawbiense 'Boursault'
Zones 4-
8
Catawba rhododendron
Rhododendron catawbiense 'Grandiflorum'
Zones 4-
8
Catawba rhododendron
Rhododendron catawbiense 'Roseum Superbum'
Zones 4-
9
Catawba rhododendron
Rhododendron 'Catawbiense Album'
Zones 4-
8
Catchfly
Lychnis × arkwrightii 'Orange Zwerg' ORANGE DWARF
Zones 5-
8
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Catchfly
Lychnis coronaria
Zones 4-
8
Catchfly
Lychnis fulgens
Zones 4-
8
Catchfly
Viscaria vulgaris
Zones 3-
8
Catmint
Nepeta racemosa 'Walker's Low'
Zones 4-
8
Catmint
Nepeta 'Longipes'
Zones 3-
8
Catmint
Nepeta × faassenii 'Kitten Around'
Zones 3-
8
Catmint
Nepeta 'Cat's Pajamas'
Zones 3-
8
Catnip
Nepeta cataria
Zones 3-
7
Caucasian fir
Abies nordmanniana 'Brandt'
Zones 4-
6
Caucasian fir
Abies nordmanniana
Zones 4-
6
Caucasian fir
Abies nordmanniana subsp. Equitrojani
Zones 4-
6
Caucasian linden
Tilia × euchlora
Zones 3-
8
Caucasian stonecrop
Sedum spurium 'Album Superbum'
Zones 3-
9
Caucasian stonecrop
Sedum spurium 'Schorbuser Blut' DRAGON'S BLOOD
Zones 4-
9
Caucasian stonecrop
Sedum spurium 'Fuldaglut'
Zones 4-
8
Caucasian stonecrop
Sedum spurium 'John Creech'
Zones 3-
8
Caucasian stonecrop
Sedum spurium 'Red Carpet'
Zones 3-
8
Caucasian stonecrop
Sedum spurium 'Tricolor'
Zones 3-
9
Caucasian stonecrop
Sedum spurium
Zones 4-
9
Caucasian wingnut
Pterocarya fraxinifolia
Zones 5-
8
Cedar of Lebanon
Cedrus libani 'Sargentii'
Zones 5-
7
Cedar of Lebanon
Cedrus libanitica subsp. Stenocoma
Zones 5-
7
Cedar of Lebanon
Cedrus libani
Zones 6-
7
Celandine poppy
Stylophorum diphyllum
Zones 4-
9
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Celeriac
Apium graveolens var. Rapaceum 'Diamant'
Zones 2-
11
Chamaecytisus
Chamaecytisus hirsutus
Zones 5-
7
Chamomile
Chamaemelum nobile
Zones 4-
9
Champion's wood fern
Dryopteris championii
Zones 5-
8
Chaste tree
Vitex negundo
Zones 6-
9
Chastetree
Vitex agnus-castus 'Colonial Blue'
Zones 6-
8
Chastetree
Vitex agnus-castus 'Shoal Creek'
Zones 6-
9
Cheddar pink
Dianthus 'Bath's Pink'
Zones 3-
9
Cheddar pink
Dianthus 'Mountain Mist'
Zones 3-
8
Cheddar pink
Dianthus gratianopolitanus 'Grandiflorus'
Zones 4-
8
Cheddar pink
Dianthus 'Feuerhexe' FIREWITCH
Zones 3-
8
Cheddar pink
Dianthus 'First Love'
Zones 4-
9
Cheddar pink
Dianthus gratianopolitanus
Zones 4-
8
Cherry
Prunus 'First Lady'
Zones 6-
8
Cherry laurel
Prunus laurocerasus 'Otto Luyken'
Zones 6-
8
Cherry laurel
Prunus laurocerasus
Zones 6-
8
Cherry plum
Prunus cerasifera 'Thundercloud'
Zones 5-
8
Cherry plum
Prunus cerasifera 'Newport'
Zones 4-
8
Cherry plum
Prunus cerasifera 'Krauter Vesuvius'
Zones 5-
8
Cherry plum
Prunus cerasifera
Zones 5-
8
Chestnut oak
Quercus montana
Zones 4-
8
Chickasaw plum
Prunus angustifolia
Zones 5-
9
Chicory
Cichorium intybus
Zones 3-
8
China aster
Callistephus chinensis
Zones 2-
11
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China rose
Rosa 'Mutabilis'
Zones 6-
9
Chinese arborvitae
Platycladus orientalis 'Westmont'
Zones 6-
9
Chinese astilbe
Astilbe chinensis 'Finale'
Zones 4-
8
Chinese astilbe
Astilbe chinensis 'Darwin's Surprise'
Zones 4-
8
Chinese astilbe
Astilbe chinensis var. Pumila
Zones 4-
8
Chinese astilbe
Astilbe chinensis 'Visions'
Zones 4-
8
Chinese astilbe
Astilbe chinensis var. Taquetii 'Superba'
Zones 4-
8
Chinese astilbe
Astilbe chinensis 'Purpurkerze' PURPLE CANDLE
Zones 4-
8
Chinese astilbe
Astilbe chinensis 'Vision in Red'
Zones 4-
8
Chinese astilbe
Astilbe chinensis 'Diamonds and Pearls'
Zones 4-
8
Chinese astilbe
Astilbe chinensis 'Love and Pride'
Zones 4-
8
Chinese astilbe
Astilbe chinensis var. Davidii
Zones 4-
8
Chinese buttonbush
Adina rubella
Zones 6-
9
Chinese cabbage
Brassica rapa (Pekinensis Group)
Zones 2-
11
Chinese catalpa
Catalpa ovata
Zones 4-
8
Chinese chestnut
Castanea mollissima
Zones 4-
8
Chinese cork oak
Quercus variabilis
Zones 5-
7
Chinese creeping lobelia
Lobelia chinensis
Zones 6-
9
Chinese dogwood
Cornus kousa var. Chinensis 'Milky Way'
Zones 4-
8
Chinese dogwood
Cornus kousa var. Chinensis
Zones 5-
8
Chinese elm
Ulmus parvifolia 'Dynasty'
Zones 5-
9
Chinese elm
Ulmus parvifolia 'Hokkaido'
Zones 4-
9
Chinese elm
Ulmus parvifolia 'Seiju'
Zones 4-
9
Chinese elm
Ulmus parvifolia 'Emer II' ALLEE
Zones 4-
9
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Chinese elm
Ulmus parvifolia
Zones 4-
9
Chinese fringe tree
Chionanthus retusus
Zones 5-
9
Chinese fringe tree
Chionanthus retusus 'Tokyo Tower'
Zones 6-
9
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View all 5960 plants for Zone 6 with advanced filtering options. Search by plant type, sun exposure, water needs, and more.
See All PlantsBest Plants for Zone 6
USDA Hardiness Zone 6 experiences winter minimum temperatures between -10 to 0°F. This collection includes 5960 plants specifically suited for Zone 6 conditions, including perennials, shrubs, ornamental trees.
Understanding Your Hardiness Zone
The USDA hardiness zone is based on average annual minimum winter temperature. While it's an excellent starting point, also consider your local microclimate, soil conditions, rainfall patterns, and summer heat when selecting plants.