ZonePlant

USDA Hardiness Zone 3b: Planting Guide

Min temp
-35°F to -30°F
Growing season
100 days
Compatible crops
1
Sample region
Northern Maine

Cold continental zone where only the hardiest fruit varieties survive.

Growing in zone 3b

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Recommended crops for zone 3b

Frost timing in zone 3b

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Common challenges in zone 3b

Best practices

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Sample regions in zone 3b

Northern Maine, Upper Michigan, and Central North Dakota.

Frequently asked questions

What is the average minimum winter temperature in zone 3b?

Zone 3b has an average annual minimum temperature of -35°F to -30°F.

How long is the growing season in zone 3b?

Approximately 100 days from last spring frost to first fall frost.

What fruit trees grow well in zone 3b?

Common fruit trees that grow in zone 3b include apple.