When to Plant Sweet Potatos in Dexter, MO

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.

By looking at the USDA zone info for Dexter you will be able to estimate when to plant sweet potatos.


Planting Calendar for Sweet Potatos

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

You should not plant sweet potatos until after the last frost when the weather gets warmer because they require warm weather.

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 Dexter 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

The average date of last frost is April 15 in Dexter. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Dexter is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Dexter you get a frost after April 15 be ready to protect your sweet potatos if you have a late frost.

USDA Zone Info for Dexter

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 Low0°F
Highest Expected Low5°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 Dexter

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