Spice bush
Lindera benzoin
Zones 4-
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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Spider lily
Tradescantia (Andersoniana Group) 'Red Cloud'
Zones 4-
9
Spider lily
Hymenocallis caroliniana
Zones 5-
8
Spider lily
Lycoris radiata
Zones 6-
10
Spider lily
Tradescantia virginiana
Zones 4-
9
Spiderwort
Tradescantia (Andersoniana Group) 'Mariella'
Zones 4-
9
Spiderwort
Tradescantia (Andersoniana Group) 'Sweet Kate'
Zones 4-
9
Spiderwort
Tradescantia (Andersoniana Group) 'Concord Grape'
Zones 4-
7
Spiderwort
Tradescantia 'Hawaiian Punch'
Zones 4-
9
Spiderwort
Tradescantia (Andersoniana Group) 'Little Doll'
Zones 4-
9
Spiderwort
Tradescantia (Andersoniana Group) 'Snowcap'
Zones 4-
9
Spiderwort
Tradescantia (Andersoniana Group) 'Purple Profusion'
Zones 4-
9
Spiderwort
Tradescantia 'Lucky Charm'
Zones 5-
9
Spiderwort
Tradescantia ernestiana
Zones 5-
9
Spiderwort
Tradescantia longipes
Zones 4-
9
Spike speedwell
Veronica 'Spike'
Zones 4-
8
Spiked speedwell
Veronica spicata 'Minuet'
Zones 5-
8
Spiked speedwell
Veronica spicata 'Blue Charm'
Zones 3-
8
Spiked speedwell
Veronica spicata 'Icicle'
Zones 4-
9
Spiked speedwell
Veronica spicata 'Nana'
Zones 3-
8
Spiked speedwell
Veronica spicata 'Rotfuchs' RED FOX
Zones 3-
8
Spiked speedwell
Veronica spicata 'Pavane'
Zones 4-
8
Spiked speedwell
Veronica spicata 'Glory' ROYAL CANDLES
Zones 3-
8
Spiked speedwell
Veronica spicata 'Blue Bouquet'
Zones 3-
8
Spiked speedwell
Veronica 'Purpleicious'
Zones 4-
8
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Spinach
Spinacia oleracea
Zones 2-
11
Spindletree
Euonymus bungeanus
Zones 4-
8
Spindletree
Euonymus grandiflorus
Zones 6-
10
Spirea
Spiraea betulifolia 'Tor'
Zones 4-
8
Spirea
Spiraea 'Dolchica'
Zones 5-
9
Spirea
Spiraea nipponica var. Tosaensis
Zones 3-
8
Spirea
Spiraea trilobata 'Swan Lake'
Zones 4-
8
Spirea
Spiraea nipponica 'Snowmound'
Zones 3-
8
Spirea
Spiraea × vanhouttei
Zones 3-
8
Spirea
Spiraea fritschiana 'Pink Parasols'
Zones 4-
8
Spirea
Spiraea thunbergii 'Ogon'
Zones 4-
8
Spirea
Spiraea 'Darsnorm' SNOW STORM
Zones 4-
8
Spirea
Spiraea media
Zones 4-
9
Spirea
Spiraea thunbergii
Zones 4-
8
Spirea
Spiraea decumbens
Zones 5-
8
Spirea
Spiraea media 'SMSMBK' DOUBLE PLAY BLUE KAZOO
Zones 4-
9
Spirea
Spiraea 'NCSX1' DOUBLE PLAY CANDY CORN
Zones 4-
7
Split-corona daffodil
Narcissus 'Cassata'
Zones 4-
8
Split-corona daffodil
Narcissus 'Lemon Beauty'
Zones 4-
8
Split-corona daffodil
Narcissus 'Love Call'
Zones 4-
8
Split-corona daffodil
Narcissus 'Mondragon'
Zones 3-
8
Split-corona daffodil
Narcissus 'Tricollet'
Zones 3-
8
Split-corona daffodil
Narcissus 'Flyer'
Zones 3-
9
Split-corona daffodil
Narcissus 'Colorama'
Zones 3-
8
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Split-cupped daffodil
Narcissus 'Mary Gay Lirette'
Zones 3-
8
Sponge gourd
Luffa aegyptiaca
Zones 5-
11
Spotted bellflower
Campanula punctata 'Cherry Bells'
Zones 5-
7
Spotted bellflower
Campanula punctata 'Pink Chimes'
Zones 4-
7
Spotted bellflower
Campanula punctata
Zones 5-
7
Spotted deadnettle
Lamium maculatum 'White Nancy'
Zones 3-
8
Spotted deadnettle
Lamium maculatum 'Red Nancy'
Zones 4-
8
Spotted deadnettle
Lamium maculatum 'Dellam' GOLDEN ANNIVERSARY
Zones 3-
8
Spotted deadnettle
Lamium maculatum 'Elisabeth de Haas'
Zones 3-
8
Spotted deadnettle
Lamium maculatum 'Cosmopolitan'
Zones 3-
8
Spotted geranium
Geranium maculatum 'Espresso'
Zones 5-
8
Spotted laurel
Aucuba japonica 'Mr. Goldstrike'
Zones 6-
9
Spotted laurel
Aucuba japonica
Zones 6-
9
Spotted phlox
Phlox maculata
Zones 3-
8
Spreading aster
Symphyotrichum patens
Zones 4-
8
Spring beauty
Claytonia virginica
Zones 3-
8
Spring crocus
Crocus vernus 'Pickwick'
Zones 3-
8
Spring crocus
Crocus vernus 'Remembrance'
Zones 3-
8
Spring crocus
Crocus vernus 'Striped Beauty'
Zones 3-
8
Spring crocus
Crocus vernus 'Jeanne d'Arc'
Zones 3-
8
Spring crocus
Crocus vernus 'Flower Record'
Zones 4-
8
Spring starflower
Ipheion uniflorum 'Charlotte Bishop'
Zones 5-
9
Spring starflower
Ipheion uniflorum
Zones 5-
9
Spring vetch
Lathyrus vernus
Zones 5-
9
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Spur leaf
Tetracentron sinense
Zones 6-
7
Spurge
Euphorbia characias subsp. Wulfenii
Zones 6-
8
Spurge
Euphorbia dulcis 'Chameleon'
Zones 5-
8
Spurge
Euphorbia 'Froeup' EXCALIBUR
Zones 6-
8
Spurge
Euphorbia 'Jessie'
Zones 4-
9
Spurge
Euphorbia characias 'Tasmanian Tiger'
Zones 6-
8
Spurge
Euphorbia 'Imprkalip' KALIPSO
Zones 4-
8
Spurge
Euphorbia 'Nothowlee' BLACKBIRD
Zones 6-
9
Spurge
Euphorbia 'Imprefant' EFANTHIA
Zones 5-
7
Spurge
Euphorbia 'Blue Haze'
Zones 6-
10
Spurge
Euphorbia × martinii 'Ascot Rainbow'
Zones 6-
9
Spuria iris
Iris 'Adriatic Blue'
Zones 5-
9
St. Bernard's lily
Anthericum liliago
Zones 4-
9
St. John's wort
Hypericum 'Hidcote'
Zones 5-
9
St. John's wort
Hypericum frondosum 'Sunburst'
Zones 5-
8
St. John's wort
Hypericum × moserianum 'Tricolor'
Zones 6-
9
St. John's wort
Hypericum calycinum 'Briggadoon'
Zones 5-
8
St. John's wort
Hypericum perforatum 'Topas'
Zones 3-
8
St. John's wort
Hypericum kalmianum 'Deppe' SUNNY BOULEVARD
Zones 4-
8
St. John's wort
Hypericum calycinum
Zones 5-
9
St. John's wort
Hypericum beanii
Zones 6-
7
Stachyurus
Stachyurus praecox
Zones 6-
8
Staghorn sumac
Rhus typhina 'Dissecta'
Zones 3-
8
Staghorn sumac
Rhus typhina 'Bailtiger' TIGER EYES
Zones 4-
8
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Staghorn sumac
Rhus typhina
Zones 3-
8
Standard apple
Malus 'Mullins' STARK GOLDEN DELICIOUS
Zones 5-
8
Standard apple
Malus pumila 'Tenroy' STARK ROYAL GALA
Zones 5-
8
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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.