One of the first steps you take when you are determining 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 Blackwell you can estimate when you can plant sweet potatos by looking at the USDA zone info.

Planting Calendar for Sweet Potatos

Frost tolerance for sweet potatos:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Sweet Potatos require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant sweet potatos in Blackwell 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 sweet potatos and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sweet potatos may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet potatos indoors.

Last Frost Date

In Blackwell the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Blackwell is not always accurate the actual date of last frost is different every year. Since half of the time in Blackwell last frost occurs after April 15 be ready to protect your sweet potatos in the event of a surprise late frost.

USDA Zone Info for Blackwell

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Blackwell

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