When to Plant Potatos in Harrisonville, MO

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Harrisonville should be looked at to figure out when it's a good idea to plant potatos.


Planting Calendar for Potatos

Frost tolerance for potatos: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

Potatos are very cold tolerant which means that you can get them planted much earlier than other plants that might not handle the cold.

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

The earliest that you can plant potatos in Harrisonville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant potatos and expect a good harvest is probably September. If you wait any later than that and your potatos may not have a chance to fully mature. You can get started a few weeks earlier by starting your potatos indoors.

Last Frost Date

In Harrisonville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Harrisonville is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Harrisonville there is a last frost after April 15 so make sure that you are ready to protect your potatos if you have a late frost.

USDA Zone Info for Harrisonville

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 Harrisonville

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