The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of estimating when you can plant potatos is to use the USDA zone info for Potsdam.

Planting Calendar for Potatos

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

You can plant potatos a lot earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant potatos in Potsdam is March. However, you really should wait until April 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. Any later than that and your potatos may not have a chance to really do well. Starting your potatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Potsdam. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Potsdam is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Potsdam last frost occurs after May 15 be ready to cover your potatos in the event of a surprise late frost.

USDA Zone Info for Potsdam

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Potsdam

You may be interested in your other planting guides for Potsdam.