One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Ephraim you can figure out when to plant potatos by looking at 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.

Potatos can survive in pretty solid cold which tells us that you can plant them quite a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant potatos in Ephraim is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant potatos and expect a good harvest is probably September. Any later than that and your potatos may not have a chance to fully mature. You can get started a few weeks earlier by starting your potatos indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Ephraim. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Ephraim is not always accurate the actual date of last frost changes from year to year. Half of the time in Ephraim you get surprised by a frost after April 15 so be sure to be ready to protect your potatos if you have one of those late frosts.

USDA Zone Info for Ephraim

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Ephraim

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