Winter squash
Cucurbita moschata
Zones 2-
11
3
USDA Hardiness Zone 3
-40 to -30°F • Extremely cold winter climates
Includes sub-zones: 3a, 3b | Ideal for: cold-hardy perennials, evergreens, conifers | 1851 total plants
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Winter squash
Cucurbita maxima
Zones 2-
11
Winter squash
Cucurbita argyrosperma
Zones 2-
11
Winterberry
Ilex verticillata 'Jim Dandy'
Zones 3-
9
Winterberry
Ilex verticillata 'Cacapon'
Zones 3-
9
Winterberry
Ilex verticillata 'Afterglow'
Zones 3-
9
Winterberry
Ilex verticillata 'Winter Gold'
Zones 3-
9
Winterberry
Ilex verticillata 'Southern Gentleman'
Zones 3-
9
Winterberry
Ilex verticillata 'Nana' RED SPRITE
Zones 3-
9
Winterberry
Ilex verticillata 'Winter Red'
Zones 3-
9
Winterberry
Ilex verticillata 'Shortcake'
Zones 3-
9
Winterberry
Ilex verticillata 'Spriber' BERRY NICE
Zones 3-
9
Winterberry
Ilex verticillata 'Maryland Beauty'
Zones 3-
9
Winterberry
Ilex verticillata 'Goldfinch'
Zones 3-
9
Winterberry
Ilex verticillata 'Oosterwijk'
Zones 3-
9
Winterberry
Ilex verticillata
Zones 3-
9
Wishbone flower
Torenia fournieri
Zones 2-
11
Wisteria
Wisteria macrostachya 'Blue Moon'
Zones 3-
9
Witherod viburnum
Viburnum cassinoides
Zones 3-
8
Witherod viburnum
Viburnum cassinoides 'SMNVCDD' LIL DITTY
Zones 3-
8
Wood fern
Dryopteris carthusiana
Zones 3-
8
Woodbine
Clematis virginiana
Zones 3-
8
Woodland forget-me-not
Myosotis sylvatica
Zones 3-
8
Woolly yarrow
Achillea tomentosa 'Aurea'
Zones 3-
7
Yarrow
Achillea 'Snow Sport'
Zones 3-
8
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Yarrow
Achillea 'Terracotta'
Zones 3-
8
Yarrow
Achillea 'Moonshine'
Zones 3-
8
Yarrow
Achillea millefolium 'Paprika'
Zones 3-
8
Yarrow
Achillea 'Apfelblüte' APPLEBLOSSOM
Zones 3-
8
Yarrow
Achillea 'Feuerland' FIRELAND
Zones 3-
8
Yarrow
Achillea 'Walther Funcke'
Zones 3-
8
Yarrow
Achillea 'Coronation Gold'
Zones 3-
8
Yarrow
Achillea millefolium 'Montrose Rose'
Zones 3-
8
Yarrow
Achillea 'Anblo' ANTHEA
Zones 3-
8
Yarrow
Achillea millefolium 'Red Beauty'
Zones 3-
8
Yarrow
Achillea millefolium 'Pretty Belinda'
Zones 3-
8
Yarrow
Achillea 'Summerwine'
Zones 3-
8
Yarrow
Achillea millefolium
Zones 3-
9
Yarrow
Achillea millefolium 'Sunny Seduction'
Zones 3-
8
Yarrow
Achillea millefolium 'Balvinwite' NEW VINTAGE WHITE
Zones 3-
8
Yellow birch
Betula alleghaniensis
Zones 3-
7
Yellow giant hyssop
Agastache nepetoides
Zones 2-
8
Yellow sundrops
Oenothera serrulata
Zones 3-
8
Yellow trout-lily
Erythronium americanum
Zones 3-
8
Yellow twig dogwood
Cornus sericea 'Silver and Gold'
Zones 3-
8
Yellowtwig dogwood
Cornus sericea 'Budd's Yellow'
Zones 3-
7
Yezo spruce
Picea jezoensis
Zones 3-
7
Yi yè qiu
Flueggea suffruticosa
Zones 3-
7
Zinnia
Zinnia (group)
Zones 2-
11
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Zinnia
Zinnia marylandica 'Pas553645' ZAHARA DOUBLE FIRE
Zones 2-
11
Zinnia
Zinnia elegans
Zones 2-
11
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See All PlantsBest Plants for Zone 3
USDA Hardiness Zone 3 experiences winter minimum temperatures between -40 to -30°F. This collection includes 1851 plants specifically suited for Zone 3 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.