Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Edwardsville you can determine when it's possible to plant potatos by checking out 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 much 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 Edwardsville 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 grow to maturity. You can get started a little bit earlier by starting your potatos indoors.

Last Frost Date

In Edwardsville the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Edwardsville is not always accurate and the actual date of last frost is different every year. Half of the time in Edwardsville it frosts late in the year after April 15 so make sure that you are prepared to protect your potatos in the event of a surprise late frost.

USDA Zone Info for Edwardsville

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 Edwardsville

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