The 2 USDA planting zones in Green Bay, Wisconsin are zone 5a and zone 5b, according to latest, 2023, USDA update. The 2 planting zones in Green Bay, Wisconsin are listed below.
- Zone 5a: Zone 5a has minimum temperature ranges from -28.9°C to -26.1°C (-20°F to -15°F). Zone 5a predominantly covers the northern and northwestern outskirts of the Green Bay area, and includes Gillett, Little Suamico, Oconto, Oconto Falls, Pittsfield, Pulaski, Suamico, and Suring.
- Zone 5b: Zone 5b has minimum temperature ranges from -26.1°C to -23.3°C (-15°F to -10°F). Zone 5b locations make up the majority of Green Bay and include Abrams, Algoma, Allouez, Angelica, Ashwaubenon, Astor, Baird Creek, Bellevue, De Pere, Downtown Green Bay, Howard, Ledgeview, Oneida, and many more neighborhoods and communities.
Locate your Green Bay (WI), USDA zone using our three tools given below, zipcode to planting zone search tool, interactive map, or planting zone table.
Green Bay Planting Zones by ZipCode
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Green Bay Planting Zones Map
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Green Bay Planting Zones Table
Below given table lists all the Green Bay locations with their USDA Hardiness Zones.
| Green Bay Location | Planting Zone |
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Green Bay Growing Zones
The two USDA planting zones in Green Bay, Wisconsin are zone 5a and zone 5b.
Zone 5a
Zone 5a (-20°F to -15°F) covers the northern and northwestern outskirts of the Green Bay area, showing how the region transitions to slightly colder climate conditions as you move away from the bay’s moderating influence.
Zone 5a includes areas like Gillett, Little Suamico, and Pulaski. This zone supports cold-hardy trees such as Maple (Acer spp.) and Birch (Betula spp.), shrubs like Lilac (Syringa vulgaris) and Dogwood (Cornus spp.), and perennials like Black-eyed Susan (Rudbeckia hirta) and Coneflower (Echinacea spp.).
Drought-tolerant berries like Beautyberry (Callicarpa spp.) and grasses such as Prairie Bead Grass (Sporobolus heterolepis) also thrive here.
Zone 5b
Zone 5b (-15°F to -10°F) covers most of Green Bay, including Downtown, De Pere, and Howard. Zone 5b supports trees like Weeping Willow (Salix babylonica), shrubs like Viburnum (Viburnum spp.), and perennials like Daisies (Bellis perennis) and Karl Foerster Feather Reed Grass (Calamagrostis × acutiflora).
Berries like Red Chokeberry (Aronia arbutifolia) and ornamental grasses like Red Osier Dogwood (Cornus sericea) also grows here.