Siberian iris
Iris 'Steve Varner'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
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
Zone 6 quick answer
What grows in USDA Zone 6?
Plants rated for Zone 6 are expected to tolerate average annual extreme winter lows in the -10 to 0°F range. This collection contains 5960 matching plant profiles, including perennials, shrubs, ornamental trees.
A zone rating is only the first check. Compare sun, soil, moisture, summer heat, wind, and your garden's microclimate before choosing a plant.
Narrow the Zone 6 list for your garden
Browse all 5960 plants for this zone with advanced filtering options. Search by plant type, sun exposure, water needs, and more.
Explore All Plants
Siberian iris
Iris 'Sparkle'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Baby Sister'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Butter and Sugar'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Gull's Wing'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Illini Charm'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Lady Vanessa'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Caesar's Brother'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Pink Haze'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Dance Ballerina Dance'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Orville Fay'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian iris
Iris 'Sally Kerlin'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Siberian larkspur
Delphinium grandiflorum 'Blue Butterfly'
- USDA zones
- 3–7
- Light
- Full sun
- Water
- Medium
Siberian peashrub
Caragana arborescens
- USDA zones
- 2–7
- Light
- Full sun
- Water
- Dry to medium
Siberian squill
Scilla siberica 'Spring Beauty'
- USDA zones
- 2–8
- Light
- Full sun to part shade
- Water
- Medium
Siberian squill
Scilla siberica
- USDA zones
- 2–8
- Light
- Full sun to part shade
- Water
- Medium
Siberian yarrow
Achillea sibirica 'Stephanie Cohen'
- USDA zones
- 5–8
- Light
- Full sun
- Water
- Dry to medium
Sideoats grass
Bouteloua curtipendula
- USDA zones
- 4–9
- Light
- Full sun
- Water
- Dry to medium
Sieber's crocus
Crocus sieberi subsp. Atticus 'Firefly'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium
Siebold viburnum
Viburnum sieboldii
- USDA zones
- 4–7
- Light
- Full sun to part shade
- Water
- Medium
Silk tree
Albizia julibrissin
- USDA zones
- 6–9
- Light
- Full sun to part shade
- Water
- Medium
Silkweed
Potentilla anserina
- USDA zones
- 4–7
- Light
- Full sun
- Water
- Medium
Silky lady's mantle
Alchemilla sericata 'Gold Strike'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium
Silky wisteria
Wisteria brachybotrys 'Shiro-kapitan'
- USDA zones
- 5–8
- Light
- Full sun
- Water
- Medium
Silver birch
Betula pendula MAGICAL GLOBE
- USDA zones
- 3–6
- Light
- Full sun to part shade
- Water
- Medium to wet
Silver buffaloberry
Shepherdia argentea
- USDA zones
- 3–9
- Light
- Full sun to part shade
- Water
- Medium
Silver hairgrass
Koeleria argentea
- USDA zones
- 6–9
- Light
- Full sun
- Water
- Dry to medium
Silver lace vine
Fallopia baldschuanica 'Lemon Lace'
- USDA zones
- 5–9
- Light
- Full sun to part shade
- Water
- Medium
Silver lace vine
Fallopia baldschuanica
- USDA zones
- 4–7
- Light
- Full sun to part shade
- Water
- Medium
Silver linden
Tilia tomentosa
- USDA zones
- 4–7
- Light
- Full sun to part shade
- Water
- Dry to medium
Silver maple
Acer saccharinum
- USDA zones
- 3–9
- Light
- Full sun to part shade
- Water
- Medium to wet
Silver sage
Salvia argentea 'Artemis'
- USDA zones
- 5–8
- Light
- Full sun
- Water
- Dry to medium
Silver sage
Salvia argentea
- USDA zones
- 5–8
- Light
- Full sun
- Water
- Dry to medium
Silver speedwell
Veronica spicata subsp. Incana
- USDA zones
- 3–8
- Light
- Full sun
- Water
- Medium
Silver speedwell
Veronica spicata subsp. Incana 'Pure Silver'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Silver willow
Salix alba var. Sericea
- USDA zones
- 2–8
- Light
- Full sun to part shade
- Water
- Medium to wet
Silverbell tree
Halesia diptera (Magniflora Group)
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Silverbell tree
Halesia diptera
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Silverbell tree
Halesia monticola
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Silvermound artemisia
Artemisia schmidtiana 'Nana'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Dry to medium
Single late tulip
Tulipa 'Queen of Night'
- USDA zones
- 3–8
- Light
- Full sun
- Water
- Medium
Singleseed juniper
Juniperus squamata 'Blue Carpet'
- USDA zones
- 4–7
- Light
- Full sun
- Water
- Medium
Singleseed juniper
Juniperus squamata 'Blue Star'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Singleseed juniper
Juniperus squamata 'Holger'
- USDA zones
- 4–7
- Light
- Full sun
- Water
- Medium
Singleseed juniper
Juniperus squamata 'Meyeri'
- USDA zones
- 4–7
- Light
- Full sun
- Water
- Medium
Sisymbrium
Sisymbrium luteum
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Sisyrinchium
Sisyrinchium 'E. K. Balls'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Sisyrinchium
Sisyrinchium 'Quaint and Queer'
- USDA zones
- 6–9
- Light
- Full sun
- Water
- Medium
Skunk cabbage
Lysichiton camtschatcensis
- USDA zones
- 5–7
- Light
- Full sun to part shade
- Water
- Medium to wet
Skunk cabbage
Symplocarpus foetidus
- USDA zones
- 4–7
- Light
- Part shade to full shade
- Water
- Wet
Skunk plant
Phuopsis stylosa 'Purpurea'
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Dry to medium
Skyblue aster
Symphyotrichum oolentangiense
- USDA zones
- 3–8
- Light
- Full sun
- Water
- Dry to medium
Slender blazing star
Liatris cylindracea
- USDA zones
- 4–7
- Light
- Full sun
- Water
- Dry to medium
Slender deutzia
Deutzia gracilis 'Nikko'
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Slender deutzia
Deutzia gracilis 'Duncan' CHARDONNAY PEARLS
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Slender deutzia
Deutzia gracilis
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Slender false brome
Brachypodium sylvaticum
- USDA zones
- 5–9
- Light
- Full sun to part shade
- Water
- Medium
Slender mountain mint
Pycnanthemum tenuifolium
- USDA zones
- 4–8
- Light
- Full sun to part shade
- Water
- Dry to medium
Slender mountain mint
Pycnanthemum tenuifolium 'Cat Springs'
- USDA zones
- 4–8
- Light
- Full sun to part shade
- Water
- Dry to medium
Slender rosinweed
Silphium gracile
- USDA zones
- 5–9
- Light
- Full sun to part shade
- Water
- Medium
Slenderleaf false foxglove
Agalinis tenuifolia
- USDA zones
- 2–11
- Light
- Full sun to part shade
- Water
- Medium
Small globe thistle
Echinops ritro 'Veitch's Blue'
- USDA zones
- 3–8
- Light
- Full sun
- Water
- Dry to medium
Small globe thistle
Echinops ritro
- USDA zones
- 3–8
- Light
- Full sun
- Water
- Dry to medium
Small globe thistle
Echinops ritro subsp. Ruthenicus
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Dry to medium
Small-cupped daffodil
Narcissus 'After All'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium
Small-cupped daffodil
Narcissus 'Copper Coin'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium
Small-cupped daffodil
Narcissus 'Green Pearl'
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium
Small-flowered anemone
Anemone parviflora
- USDA zones
- 3–7
- Light
- Full sun
- Water
- Medium
Small-leaved rhododendron
Rhododendron 'Ginny Gee'
- USDA zones
- 6–8
- Light
- Part shade
- Water
- Medium
Small-leaved rhododendron
Rhododendron 'Bubblegum'
- USDA zones
- 4–8
- Light
- Part shade
- Water
- Medium
Smallhead blazing star
Liatris microcephala
- USDA zones
- 6–9
- Light
- Full sun
- Water
- Dry to medium
Smoketree
Cotinus coggygria 'Royal Purple'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Smoketree
Cotinus coggygria 'Velvet Cloak'
- USDA zones
- 5–8
- Light
- Full sun
- Water
- Medium
Smoketree
Cotinus coggygria 'Ancot' GOLDEN SPIRIT
- USDA zones
- 5–8
- Light
- Full sun to part shade
- Water
- Medium
Smoketree
Cotinus coggygria 'Young Lady'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Smoketree
Cotinus coggygria 'Kolcot' GREEN FOUNTAIN
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Medium
Smoketree
Cotinus coggygria
- USDA zones
- 5–8
- Light
- Full sun
- Water
- Medium
Smooth aster
Symphyotrichum laeve 'Bluebird'
- USDA zones
- 4–8
- Light
- Full sun
- Water
- Dry to medium
Smooth aster
Symphyotrichum laeve
- USDA zones
- 3–8
- Light
- Full sun
- Water
- Dry to medium
Smooth hydrangea
Hydrangea arborescens 'Annabelle'
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Grandiflora'
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Dardom' WHITE DOME
- USDA zones
- 4–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Ryan Gainey'
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'NCHA1' INVINCIBELLE SPIRIT
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Abetwo' INCREDIBALL
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Piiha-I' ENDLESS SUMMER BELLA ANNA
- USDA zones
- 4–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Hayes Starburst'
- USDA zones
- 4–8
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'NCHA2' INVINCIBELLE SPIRIT II
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'NCHA4' INCREDIBALL BLUSH
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'NCHA5' INVINCIBELLE WEE WHITE
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'SMHAMWM' SEASIDE SERENADE BAR HARBOR
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens LIL ANNIE
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth hydrangea
Hydrangea arborescens 'Ncha7' INVINCIBELLE MINI MAUVETTE
- USDA zones
- 3–9
- Light
- Part shade
- Water
- Medium
Smooth phlox
Phlox glaberrima
- USDA zones
- 3–8
- Light
- Full sun to part shade
- Water
- Medium
Smooth sumac
Rhus glabra
- USDA zones
- 3–9
- Light
- Full sun to part shade
- Water
- Dry to medium
Smooth witherod
Viburnum nudum 'Count Pulaski'
- USDA zones
- 5–9
- Light
- Full sun to part shade
- Water
- Medium to wet
Smooth witherod
Viburnum nudum 'Winterthur'
- USDA zones
- 5–9
- Light
- Full sun to part shade
- Water
- Medium to wet
Smooth witherod
Viburnum nudum
- USDA zones
- 5–9
- Light
- Full sun to part shade
- Water
- Medium to wet
Smooth yellow violet
Viola pubescens var. Eriocarpa
- USDA zones
- 3–7
- Light
- Part shade
- Water
- Medium to wet
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.