Boise, Idaho has three USDA hardiness zones 6b, 7a, 7b, according to 2023 USDA update. The 3 USDA hardiness zones in Boise are listed below.
- Zone 6b: Zone 6b experiences minimum temperatures of -5°F to 0°F (-20.6°C to -17.8°C). This zone covers higher elevations southeast of Boise, including Robie Creek, Idaho City, and Atlanta.
- Zone 7a: Zone 7a has minimum temperatures of 0°F to 5°F (-17.8°C to -15°C). It covers Downtown Boise, the North End, Southeast Boise, parts of Southwest Ada County, and West Boise near Meridian.
- Zone 7b: Zone 7b features minimum temperatures of 5°F to 10°F (-15°C to -12.2°C). Found in Southwest Boise near the Snake River Valley.
Pinpoint your Boise (Idaho) USDA zone using our three tools given below, Zipcode to planting zone tool, Easy location based interactive map or by using planting zone table.
Boise Planting Zones by ZipCode
Enter your 5 digit Boise Zipcode in box below to find its USDA Planting Zone.
Boise Planting Zones Map
Select or type your Boise location in the selection box below, to know its USDA Growing Zone.
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Boise Area Planting Zone
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Planting Zones
Boise Planting Zones Table
Following table lists all the Boise location with their corresponding USDA Hardiness Zones.
| Boise Location | Planting Zone |
|---|---|
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Boise Planting Zone
The 3 USDA hardiness zones in Boise, Idaho are Zone 6b, Zone 7a, and Zone 7b.
Zone 6b
Zone 6b is a hardiness zone with minimum temperatures ranging from -5°F to 0°F (-20.6°C to -17.8°C). Zone 6b includes higher elevation areas southeast of Boise like Robie Creek and Idaho City.
Zone 6b is ideal for growing cold-hardy plants like Serviceberry (Amelanchier alnifolia) and Rocky Mountain Maple (Acer glabrum) that can withstand colder mountain temperatures.
Zone 7a
Zone 7a is a hardiness zone with minimum temperatures ranging from 0°F to 5°F (-17.8°C to -15°C). Zone 7a offers versatile growing conditions for plants such as Rubber Rabbitbrush (Ericameria nauseosa) and Bluebunch Wheatgrass (Pseudoroegneria spicata), it is the predominant planting zone in the Boise area.
Zone 7a covers most of Boise covering Downtown Boise, Southeast Boise and suburban neighborhoods like West Boise near Meridian.
Zone 7b
Zone 7b is a hardiness zone with minimum temperatures ranging from 5°F to 10°F (-15°C to -12.2°C). Zone 7b occurs in Southwest Boise, benefiting from proximity to the Snake River Valley. Zone 7b provides slightly milder winter conditions that allow for growing less cold-hardy plants like Hydrangeas (Hydrangea spp.) and Agave havardiana, extending the growing season for gardeners in this area.