When to Plant Turnips in Winterset, IA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The earliest that you can plant turnips in Winterset should be determined by reviewing the USDA zone info.


Planting Calendar for Turnips

Frost tolerance for turnips: Not tolerant of frost.
When to plant: After the last frost has passed.

It's a bad idea to plant turnips until after the last frost because they require warm weather.

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

The earliest that you can plant turnips in Winterset 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 turnips and expect a good harvest is probably August. Any later than that and your turnips may not have a chance to fully mature. Starting your turnips 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 Winterset. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Winterset is just an average and the actual date of last frost is different every year. Since half of the time in Winterset you get a frost after April 15 be ready to protect your turnips if you have a surprise late frost.

USDA Zone Info for Winterset

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Winterset

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