Three-leaved stonecrop
Sedum ternatum
Zones 4-
8
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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Thrift
Armeria maritima 'Splendens'
Zones 4-
8
Thrift
Armeria pseudarmeria 'Dream Weaver'
Zones 6-
9
Thyme
Thymus vulgaris 'Argenteus'
Zones 5-
8
Thyme
Thymus praecox 'Minus'
Zones 4-
8
Thyme
Thymus 'Orange Balsam'
Zones 5-
8
Thyme
Thymus praecox
Zones 5-
8
Thyme
Thymus vulgaris
Zones 5-
9
Thyme
Thymus polytrichus subsp. Britannicus
Zones 5-
8
Tickseed
Coreopsis 'Tequila Sunrise'
Zones 5-
9
Tickseed
Coreopsis rosea 'American Dream'
Zones 3-
9
Tickseed
Coreopsis rosea 'Sweet Dreams'
Zones 4-
9
Tickseed
Coreopsis 'Creme Brulee'
Zones 5-
9
Tickseed
Coreopsis 'Autumn Blush'
Zones 4-
9
Tickseed
Coreopsis rosea 'Heaven's Gate'
Zones 5-
8
Tickseed
Coreopsis 'Pinwheel'
Zones 5-
9
Tickseed
Coreopsis pubescens 'Sunshine Superman'
Zones 6-
9
Tickseed
Coreopsis 'Gold Nugget'
Zones 6-
9
Tickseed
Coreopsis 'Moonlight'
Zones 6-
9
Tickseed
Coreopsis 'Route 66'
Zones 4-
9
Tickseed
Coreopsis 'Redshift'
Zones 4-
9
Tickseed
Coreopsis 'Jethro Tull'
Zones 5-
9
Tickseed
Coreopsis 'Sienna Sunset'
Zones 5-
9
Tickseed
Coreopsis pubescens
Zones 6-
9
Tickseed
Coreopsis rosea
Zones 3-
8
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Tickseed
Coreopsis tripteris
Zones 3-
8
Tickseed
Coreopsis palmata
Zones 3-
8
Tickseed
Coreopsis 'Red Satin' PERMATHREAD
Zones 5-
9
Tickseed
Coreopsis SOLANNA GOLDEN SPHERE
Zones 5-
9
Tickseed
Coreopsis grandiflora SUN UP
Zones 4-
9
Tickseed
Coreopsis 'Red Elf'
Zones 5-
9
Tickseed
Coreopsis LI'L BANG GOLDILOCKS
Zones 4-
9
Toad lily
Tricyrtis 'Tojen'
Zones 5-
9
Toad lily
Tricyrtis 'Sinonome'
Zones 5-
8
Toad lily
Tricyrtis formosana 'Gates of Heaven'
Zones 5-
8
Toad lily
Tricyrtis hirta 'Miyazaki'
Zones 4-
8
Toad lily
Tricyrtis 'White Towers'
Zones 4-
9
Toad lily
Tricyrtis macrantha subsp. Macranthopsis
Zones 6-
8
Toad lily
Tricyrtis formosana 'Samurai'
Zones 6-
8
Toad lily
Tricyrtis 'Kohaku'
Zones 4-
8
Toad lily
Tricyrtis macrantha
Zones 6-
8
Toad lily
Tricyrtis 'Lemon Lime'
Zones 4-
8
Toad lily
Tricyrtis 'Shirohototogisu'
Zones 5-
8
Toad lily
Tricyrtis formosana 'Gilt Edge'
Zones 5-
8
Toad lily
Tricyrtis formosana (Stolonifera Group)
Zones 4-
9
Toad lily
Tricyrtis 'Blue Wonder'
Zones 5-
8
Toad lily
Tricyrtis 'Empress'
Zones 5-
9
Toad lily
Tricyrtis macropoda
Zones 5-
8
Toad lily
Tricyrtis formosana
Zones 4-
9
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Toadflax
Linaria purpurea
Zones 5-
9
Toadflax
Linaria maroccana
Zones 2-
11
Tokyo wood fern
Dryopteris tokyoensis
Zones 5-
8
Toothache tree
Zanthoxylum americanum
Zones 3-
7
Topal holly
Ilex × attenuata 'Savannah'
Zones 6-
9
Topal holly
Ilex × attenuata
Zones 6-
9
Trailing snapdragon
Asarina procumbens
Zones 6-
9
Treasure flower
Gazania linearis 'Colorado Gold'
Zones 5-
9
Tree of Heaven
Ailanthus altissima
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Hana-kisoi' FLORAL RIVALRY
Zones 4-
8
Tree peony
Paeonia delavayi var. Lutea 'Hesperus'
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Wu Long Peng Sheng' BLACK DRAGON WITH SPLENDID FLOWER
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Zhao Fen' ZHAO'S PINK
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Zi Qiao' LUOYANG RED
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Yu Ban Bai' JADE PLATE WHITE
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Fen Lan Pan' PINK BLUE SAUCER
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Qing Xiang Bai' DELICATE FRAGRANT WHITE
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Hei Hua Kui' CHAMPION OF BLACK FLOWERS
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Furnace for Making Pills of Immortality'
Zones 4-
8
Tree peony
Paeonia ostii 'Feng Dan Bai' PHOENIX WHITE
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Kamada-nishiki' KAMADA BROCADE
Zones 4-
8
Tree peony
Paeonia 'Summer Night'
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Shima-Nishiki'
Zones 4-
8
Tree peony
Paeonia suffruticosa
Zones 4-
8
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Tree peony
Paeonia 'Yang Gui Fei Wearing Crown of Kingfisher Feathers'
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Guan Qun Fang' CHAMPION FRAGRANCE
Zones 4-
8
Tree peony
Paeonia suffruticosa 'Shan Hu Tai' CORAL TERRACE
Zones 4-
8
Trelease's larkspur
Delphinium treleasei
Zones 5-
7
Triandrus daffodil
Narcissus 'Hawera'
Zones 4-
8
Triandrus daffodil
Narcissus 'Petrel'
Zones 4-
8
Triandrus daffodil
Narcissus 'Thalia'
Zones 3-
8
Triandrus daffodil
Narcissus 'Lemon Drops'
Zones 4-
8
Triandrus daffodil
Narcissus 'Katie Heath'
Zones 4-
9
Trident maple
Acer buergerianum
Zones 5-
9
Triteleia
Triteleia 'Rudy'
Zones 5-
9
True forget-me-not
Myosotis scorpioides
Zones 5-
9
Trumpet creeper
Campsis × tagliabuana 'Madame Galen'
Zones 4-
9
Trumpet creeper
Campsis × tagliabuana
Zones 5-
9
Trumpet daffodil
Narcissus 'Brer Fox'
Zones 3-
8
Trumpet daffodil
Narcissus 'Bravoure'
Zones 3-
8
Trumpet daffodil
Narcissus 'Dutch Master'
Zones 3-
7
Trumpet daffodil
Narcissus 'Gin and Lime'
Zones 3-
8
Trumpet daffodil
Narcissus 'King Alfred'
Zones 3-
8
Trumpet daffodil
Narcissus 'Mount Hood'
Zones 3-
8
Trumpet daffodil
Narcissus 'Spellbinder'
Zones 3-
8
Trumpet daffodil
Narcissus 'Carrickbeg'
Zones 3-
8
Trumpet daffodil
Narcissus 'Pops Legacy'
Zones 3-
8
Trumpet daffodil
Narcissus 'General Patton'
Zones 3-
8
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Trumpet daffodil
Narcissus 'Lugano'
Zones 3-
8
Trumpet daffodil
Narcissus 'Aunt Betty'
Zones 3-
8
Trumpet daffodil
Narcissus 'Little Gem'
Zones 3-
8
Want to see more?
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.