Smooth hydrangea
Hydrangea arborescens 'SMHAMWM' SEASIDE SERENADE BAR HARBOR
Zones 3-
9
4
USDA Hardiness Zone 4
-30 to -20°F • Cold winter climates
Includes sub-zones: 4a, 4b | Ideal for: cold-hardy perennials, evergreens, conifers | 3680 total plants
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Smooth hydrangea
Hydrangea arborescens LIL ANNIE
Zones 3-
9
Smooth hydrangea
Hydrangea arborescens 'Ncha7' INVINCIBELLE MINI MAUVETTE
Zones 3-
9
Smooth phlox
Phlox glaberrima
Zones 3-
8
Smooth sumac
Rhus glabra
Zones 3-
9
Smooth yellow violet
Viola pubescens var. Eriocarpa
Zones 3-
7
Snake fir
Picea abies 'Virgata'
Zones 4-
6
Snake's head fritillary
Fritillaria meleagris
Zones 3-
8
Sneezeweed
Helenium 'Bruno'
Zones 3-
8
Sneezeweed
Helenium 'Moerheim Beauty'
Zones 3-
8
Sneezeweed
Helenium 'Zimbelstern'
Zones 3-
8
Sneezeweed
Helenium 'Goldlackzwerg' GILDED DWARF
Zones 4-
8
Sneezeweed
Helenium 'Helbro' MARDI GRAS
Zones 4-
8
Sneezeweed
Helenium amarum
Zones 3-
10
Sneezeweed
Helenium autumnale
Zones 3-
8
Sneezeweed
Helenium 'Ruby Charm'
Zones 4-
8
Sneezeweed
Helenium 'Sombrero'
Zones 3-
9
Sneezeweed
Helenium 'Balsalulow' SALUD YELLOW
Zones 4-
9
Sneezeweed
Helenium autumnale 'Balsaluemb' SALUD EMBERS
Zones 4-
9
Sneezewort
Achillea ptarmica (The Pearl Group)
Zones 3-
9
Sneezewort
Achillea ptarmica 'Gipi Whit' GYPSY WHITE
Zones 3-
9
Snow crocus
Crocus chrysanthus 'Snowbunting'
Zones 3-
8
Snow crocus
Crocus tommasinianus
Zones 3-
8
Snow crocus
Crocus tommasinianus 'Ruby Giant'
Zones 3-
8
Snow crocus
Crocus chrysanthus 'Goldilocks'
Zones 3-
8
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Snow crocus
Crocus chrysanthus 'Advance'
Zones 3-
8
Snow on the mountain
Euphorbia marginata
Zones 2-
11
Snow-in-summer
Cerastium tomentosum 'Yo Yo'
Zones 3-
7
Snow-in-summer
Cerastium tomentosum
Zones 3-
7
Snow-in-summer
Cerastium tomentosum 'Olympia'
Zones 3-
8
Snowberry
Symphoricarpos × chenaultii 'Hancock'
Zones 4-
7
Snowberry
Symphoricarpos albus
Zones 3-
7
Snowberry
Symphoricarpos × chenaultii
Zones 4-
7
Snowdrop
Galanthus nivalis 'Flore Pleno'
Zones 3-
7
Snowdrop
Galanthus nivalis 'Viridi-apice'
Zones 3-
7
Snowdrop
Galanthus elwesii
Zones 4-
7
Snowdrop
Galanthus nivalis
Zones 3-
7
Snowdrop
Galanthus ikariae
Zones 3-
7
Snowdrop windflower
Anemone sylvestris
Zones 4-
8
Soapwort
Saponaria × lempergii 'Max Frei'
Zones 3-
7
Soapwort
Saponaria officinalis 'Flore Pleno'
Zones 3-
8
Softstem bulrush
Schoenoplectus tabernaemontani
Zones 4-
9
Solitary clematis
Clematis integrifolia 'Caerulea'
Zones 3-
7
Solitary clematis
Clematis integrifolia 'Rose Colored Glasses'
Zones 3-
7
Solitary clematis
Clematis integrifolia
Zones 3-
7
Solomon's seal
Polygonatum odoratum var. Pluriflorum 'Variegatum'
Zones 3-
8
Solomon's seal
Polygonatum odoratum
Zones 3-
8
Solomon's seal
Polygonatum biflorum
Zones 3-
8
Solomon's seal
Polygonatum 'Prince Charming'
Zones 4-
7
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Solomon's seal
Polygonatum odoratum 'Byakko'
Zones 4-
9
Sorghum
Sorghum bicolor
Zones 2-
11
Sour cherry
Prunus 'North Star'
Zones 4-
8
Southern bush honeysuckle
Diervilla sessilifolia 'LPDC Podaras' COOL SPLASH
Zones 4-
8
Southernwood
Artemisia abrotanum
Zones 4-
8
Soy bean
Glycine max
Zones 2-
11
Spanish bluebell
Hyacinthoides hispanica 'Rose Queen'
Zones 3-
8
Spanish bluebell
Hyacinthoides hispanica 'White City'
Zones 3-
8
Spanish bluebell
Hyacinthoides hispanica 'White Triumphator'
Zones 3-
8
Spanish bluebell
Hyacinthoides hispanica 'Excelsior'
Zones 3-
8
Spanish bluebell
Hyacinthoides hispanica 'Rosabella'
Zones 3-
8
Spanish bluebell
Hyacinthoides hispanica
Zones 3-
8
Species daffodil
Narcissus poeticus var. Recurvus
Zones 3-
7
Species daffodil
Narcissus jonquilla
Zones 4-
8
Species iris
Iris spuria subsp. Halophila
Zones 4-
8
Speedwell
Veronica 'Darwin's Blue'
Zones 4-
8
Speedwell
Veronica 'Giles van Hees'
Zones 4-
8
Speedwell
Veronica 'Sunny Border Blue'
Zones 4-
9
Speedwell
Veronica 'Waterperry Blue'
Zones 4-
8
Speedwell
Veronica 'Heraud'
Zones 4-
8
Speedwell
Veronica 'Pink Damask'
Zones 4-
8
Speedwell
Veronica 'White Jolanda'
Zones 4-
8
Speedwell
Veronica spicata 'High Five'
Zones 4-
8
Speedwell
Veronica 'Foxy Lady'
Zones 4-
8
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Speedwell
Veronica 'Hocus Pocus'
Zones 4-
8
Speedwell
Veronica 'First Love'
Zones 4-
8
Speedwell
Veronica 'Sweet Lullaby'
Zones 4-
8
Speedwell
Veronica liwanensis
Zones 4-
9
Speedwell
Veronica 'Novaverblu' DARK BLUE MOODY BLUES
Zones 4-
9
Speedwell
Veronica 'Wizard of Ahhs'
Zones 4-
8
Spice bush
Lindera benzoin
Zones 4-
9
Spider lily
Tradescantia (Andersoniana Group) 'Red Cloud'
Zones 4-
9
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 longipes
Zones 4-
9
Spike speedwell
Veronica 'Spike'
Zones 4-
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
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Spiked speedwell
Veronica spicata 'Blue Bouquet'
Zones 3-
8
Spiked speedwell
Veronica 'Purpleicious'
Zones 4-
8
Spinach
Spinacia oleracea
Zones 2-
11
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View all 3680 plants for Zone 4 with advanced filtering options. Search by plant type, sun exposure, water needs, and more.
See All PlantsBest Plants for Zone 4
USDA Hardiness Zone 4 experiences winter minimum temperatures between -30 to -20°F. This collection includes 3680 plants specifically suited for Zone 4 conditions, including cold-hardy perennials, evergreens, conifers.
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.