One of the first steps you take when you are making a decision about 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.

You should be able to estimate when to plant sweet potatos by looking at the USDA zone info for Junction City.

Planting Calendar for Sweet Potatos

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

Since sweet potatos do not do well in cold weather you need to wait until after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Junction City 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 fully mature. Starting your sweet potatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Junction City. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Junction City may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Junction City there is a last frost after April 15 be ready to cover your sweet potatos in the event of one of those late frosts.

USDA Zone Info for Junction City

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 Junction City

You may be interested in your other planting guides for Junction City.