When to Plant Turnips in Highland Park, IL

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when to plant turnips in Highland Park by looking at 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.

Since turnips do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

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 Highland Park 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. If you wait any later than that and your turnips may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your turnips indoors.

Last Frost Date

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

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Highland Park and it is different every year. Half of the time in Highland Park there is a last frost after April 15 so be sure to be ready to protect your turnips in the event of a late frost.

USDA Zone Info for Highland Park

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 Highland Park

You may be interested in your other planting guides for Highland Park.