When to Plant Sweet Potatos in Troy, IL

Before planting it is a good idea to find your USDA Zone info to determine 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 Troy you can figure out when it's possible to plant sweet potatos by using 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.

Since sweet potatos require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant sweet potatos
Possibly ok, but a risky time to plant sweet potatos
Probably not a good time to plant sweet potatos

The earliest that you can plant sweet potatos in Troy 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. Starting your sweet potatos indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Troy. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Troy is not always accurate and the actual date of last frost changes from year to year. Half of the time in Troy there is a last frost after April 15 so just be sure to be ready to cover your sweet potatos in the event of a late frost.

USDA Zone Info for Troy

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°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 0°F.

Plants to Grow in Troy

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