Sawara cypress
Chamaecyparis pisifera
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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Sawtooth oak
Quercus acutissima
Zones 6-
9
Saxifrage
Saxifraga crustata
Zones 5-
8
Scallion
Allium fistulosum
Zones 6-
9
Scallion
Allium fistulosum 'Evergreen'
Zones 3-
9
Scalloped spirea
Spiraea crenata
Zones 4-
8
Scarlet cinquefoil
Potentilla thurberi 'Monarch's Velvet'
Zones 5-
9
Scarlet firethorn
Pyracantha coccinea 'Lalandei Monrovia'
Zones 6-
9
Scarlet firethorn
Pyracantha coccinea
Zones 6-
9
Scarlet oak
Quercus coccinea
Zones 4-
9
Scarlet rose mallow
Hibiscus coccineus
Zones 6-
9
Scarlet strawberry
Fragaria virginiana
Zones 5-
9
Scilla
Scilla bifolia 'Rosea'
Zones 3-
8
Scilla
Scilla mischtschenkoana 'Tubergeniana'
Zones 4-
8
Scilla
Scilla mischtschenkoana
Zones 4-
8
Scilla
Scilla bifolia
Zones 3-
8
Scotch broom
Cytisus scoparius
Zones 5-
8
Scotch elm
Ulmus glabra 'Camperdownii'
Zones 4-
6
Scotch heather
Calluna vulgaris
Zones 4-
6
Scotch pine
Pinus sylvestris 'Albyn Prostrata'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Beuvronensis'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Glauca Nana'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Fastigiata'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Hillside Creeper'
Zones 2-
8
Scotch pine
Pinus sylvestris 'Hindu-Pan'
Zones 3-
7
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Scotch pine
Pinus sylvestris 'Nana Compressa'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Repens'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Watereri'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Loose Park'
Zones 3-
7
Scotch pine
Pinus sylvestris 'Gold Coin'
Zones 3-
7
Scotch pine
Pinus sylvestris
Zones 2-
7
Scott's clematis
Clematis scottii
Zones 4-
7
Scouringrush horsetail
Equisetum hyemale
Zones 4-
9
Sea buckthorn
Hippophae rhamnoides
Zones 3-
8
Sea holly
Eryngium 'Sapphire Blue'
Zones 5-
9
Sea holly
Eryngium planum 'Blue Glitter'
Zones 5-
8
Sea holly
Eryngium planum 'Jade Frost'
Zones 5-
8
Sea holly
Eryngium planum 'Tiny Jackpot'
Zones 4-
8
Sea holly
Eryngium planum 'Blue Hobbit'
Zones 4-
8
Sea holly
Eryngium planum 'White Glitter'
Zones 5-
8
Sea holly
Eryngium planum
Zones 5-
9
Sea holly
Eryngium 'Neptune's Gold'
Zones 5-
8
Sea kale
Crambe maritima
Zones 5-
9
Sea lavender
Goniolimon incanum 'Blue Diamond'
Zones 3-
9
Sea lavender
Limonium platyphyllum
Zones 3-
9
Sea thrift
Armeria maritima 'Rubrifolia'
Zones 4-
8
Sea thrift
Armeria maritima
Zones 4-
8
Seaside alder
Alnus maritima subsp. Oklahomensis 'September Sun'
Zones 4-
7
Sedge
Carex dolichostachya 'Kaga-nishiki' GOLD FOUNTAINS
Zones 5-
9
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Sedge
Carex 'Ice Dance'
Zones 5-
9
Sedge
Carex oshimensis 'Evergold'
Zones 5-
9
Sedge
Carex siderosticha 'Shima-nishiki' ISLAND BROCADE
Zones 5-
8
Sedge
Carex 'Silver Sceptre'
Zones 5-
9
Sedge
Carex siderosticha 'Kisokaido' SPRING SNOW
Zones 5-
8
Sedge
Carex conica 'Snowline'
Zones 5-
9
Sedge
Carex siderosticha 'Banana Boat'
Zones 5-
9
Sedge
Carex siderosticha 'Lemon Zest'
Zones 5-
8
Sedge
Carex laxiculmis 'Hobb' BUNNY BLUE
Zones 5-
9
Sedge
Carex crus-corvi
Zones 4-
8
Sedge
Carex 'Phoenix Green'
Zones 6-
10
Sedge
Carex pensylvanica
Zones 3-
8
Sedge
Carex cristatella
Zones 5-
8
Sedge
Carex cherokeensis
Zones 6-
9
Sedge
Carex swanii
Zones 4-
8
Sedge
Carex oshimensis 'CarFit01' EVERCOLOR EVEREST
Zones 5-
9
Sedge
Carex oshimensis 'Everillo'
Zones 5-
9
Sedge
Carex oshimensis 'Everoro'
Zones 5-
9
Sedge
Carex pensylvanica 'Straw Hat'
Zones 3-
8
Seedbox
Ludwigia alternifolia
Zones 4-
8
Self heal
Prunella grandiflora 'Loveliness'
Zones 4-
8
Self heal
Prunella grandiflora 'Rosea'
Zones 4-
8
Self heal
Prunella grandiflora
Zones 4-
8
Semi-dwarf apple
Malus 'Braeburn'
Zones 5-
8
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Semi-dwarf apple
Malus 'Empire'
Zones 4-
7
Semi-dwarf apple
Malus 'Jonafree'
Zones 5-
9
Semi-dwarf apple
Malus 'Jonagold'
Zones 5-
8
Semi-dwarf apple
Malus pumila 'Co-op 30' ENTERPRISE
Zones 5-
8
Semi-dwarf apple
Malus pumila 'Honeygold'
Zones 4-
7
Semi-dwarf cherry
Prunus STARK GOLDEN SWEET
Zones 5-
7
Semi-evergreen azalea
Rhododendron 'Palestrina'
Zones 5-
7
Sensitive brier
Mimosa quadrivalvis
Zones 6-
12
Sensitive fern
Onoclea sensibilis
Zones 4-
8
Serbian bellflower
Campanula poscharskyana 'Stella'
Zones 3-
8
Serbian bellflower
Campanula poscharskyana
Zones 3-
8
Serbian spruce
Picea omorika 'Nana'
Zones 4-
7
Serbian spruce
Picea omorika 'Berliner's Weeper'
Zones 4-
7
Serbian spruce
Picea omorika 'De Ruyter'
Zones 4-
7
Serbian spruce
Picea omorika
Zones 4-
7
Serviceberry
Amelanchier canadensis
Zones 4-
8
Serviceberry
Amelanchier arborea
Zones 4-
9
Serviceberry
Amelanchier canadensis 'Glenn Form' RAINBOW PILLAR
Zones 4-
7
Seven-son flower
Heptacodium miconioides
Zones 5-
9
Seven-son flower
Heptacodium miconioides 'SMNHMRF' TEMPLE OF BLOOM
Zones 5-
9
Shagbark hickory
Carya ovata
Zones 4-
8
Shantung maple
Acer truncatum
Zones 4-
8
Shasta daisy
Leucanthemum × superbum 'Alaska'
Zones 5-
9
Shasta daisy
Leucanthemum × superbum 'Snowcap'
Zones 5-
9
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Shasta daisy
Leucanthemum × superbum 'Snow Lady'
Zones 4-
9
Shasta daisy
Leucanthemum × superbum 'Starburst'
Zones 4-
9
Shasta daisy
Leucanthemum × superbum 'Summer Snowball'
Zones 5-
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.