One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when to plant potatos in Eau Claire by referring to the USDA zone info.

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 quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant potatos in Eau Claire 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. You probably don't want to wait any later than that or else your potatos may not have a chance to fully mature. If you are starting your potatos indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Eau Claire the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Eau Claire is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Eau Claire last frost occurs after May 15 so always be ready to protect your potatos if you have a surprise late frost.

USDA Zone Info for Eau Claire

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 Eau Claire

You may be interested in your other planting guides for Eau Claire.