2025年2月10日 · Zone 3b: This subzone has a minimum average temperature of -30° to -35°F. Zone 3 often has much colder temperatures than the minimum average. The zone averages don't reflect unusual cold spells. Zone 3, like other zones, has specific first and last frost timeframes. Frost dates for Zone 3 last and first frosts for the year are typically:

Here are 17 of the Best Plants to Grow in Zone 3b. 1. Norway Spruce (Picea abies) This evergreen tree can grow to an impressive 100 feet (30.5 meters) tall. It's a hardy, fast-growing tree that thrives in various soil conditions and full sunlight. 2. …

2017年6月7日 · Zone 3b has a low temperature of -35 to -30 Fahrenheit and -34.5 to -37.2 Celsius, spanning from northernmost regions of the US, interior and northern coastal areas of Alaska, southern regions of Canada, northern areas of Europe, some central and northern interior regions of China, and interior regions of northern Japan.

Zone 3b has cold winters and a somewhat short growing season. A wide variety of plants can be grown in this zone. Selecting cold hardy species and varieties or cultivars is recommended.

USDA Hardiness Zone 3 is characterized by its cold climate, with average minimum winter temperatures ranging from -40°F to -30°F (-40°C to -34.4°C). This challenging environment requires gardeners and landscapers to select plants that are cold-hardy and can withstand harsh winter temperatures and shorter growing seasons.

Planting zones are broken down into thirteen areas, also known as USDA zones, which cover the entire United States, including Hawaii, Alaska and Puerto Rico. Each agricultural zone covers a 10-degree range.

USA Zone 3b. Extreme Minimum Temperate −37.2 to −34.4°C (−35 to −30°F) Continental Subarctic and Alpine Climates - Short Mild Humid Summers and Extremely Cold winters. Indicative Towns: Tomahawk, Wisconsin; Sidney, Montana

Detailed planting guides for Zone 3b based on USDA zone date and last frost date.

Unlock the potential of USDA Zone 3b with expert tips on plant selection, cultivation techniques, and maximizing yields in this distinct climate. Gardeners in Zone 3b can enjoy growing a variety of root crops, hardy greens, and even some varieties of …

Canada Zone 3b - Temperate Short Cool Summer. Extreme Minimum Temperate −37.2 to −34.4°C (−35 to −30°F) This region has a humid continental climate (Köppen climate classification Dfb) with short cool summers and very cold freezing, windy, winters.