When to Plant Turnips in Mount Prospect, IL

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.

The first opportunity to plant turnips in Mount Prospect should be figured out by referring to the USDA zone info.


Planting Calendar for Turnips

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

You should not plant turnips until after the last frost because they do not do well in cold 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 Mount Prospect 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 grow to maturity. Starting your turnips indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Mount Prospect. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Mount Prospect may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Mount Prospect it frosts late in the year after April 15 so just be sure to be ready to cover your turnips in the event of one of those late frosts.

USDA Zone Info for Mount Prospect

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Mount Prospect

You may be interested in your other planting guides for Mount Prospect.