When to Plant Potatos in Zone 2b

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when you can plant potatos by using the USDA zone info for Zone 2b.

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Planting Calendar for Potatos

Frost tolerance for potatos: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Since potatos do well in cold you can plant them quite a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant potatos
Possibly ok, but a risky time to plant potatos
Probably not a good time to plant potatos

The earliest that you can plant potatos in Zone 2b is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant potatos and expect a good harvest is probably August. You probably don't want to wait any later than that or else your potatos may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your potatos indoors.

Last Frost Date

The average date of last frost is May 15 in Zone 2b. You should expect an average low temperature of -45°F in the coldest months of winter.

Since the USDA zone info for Zone 2b is not always accurate the actual date of last frost is different every year. Since half of the time in Zone 2b it frosts late in the year after May 15 be ready to protect your potatos if you have one of those late frosts.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)August 15
Lowest Expected Low-45°F
Highest Expected Low-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.