One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of getting a good idea when you can plant sweet potatos is to look at the USDA zone info for Salt Lake 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 really should wait until after the last frost before you can plant them.

The earliest that you can plant sweet potatos in Salt Lake 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. Any later than that and your sweet potatos may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sweet potatos indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Salt Lake City. You can expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Salt Lake City may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Salt Lake City there is a last frost after April 15 be ready to protect your sweet potatos in the event of a late frost.

USDA Zone Info for Salt Lake City

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Salt Lake City

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