One of the best tools that you have as gardeners to help us estimate 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 first chance to plant turnips in Urbana should be estimated by using the USDA zone info.

Planting Calendar for Turnips

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

You can not plant turnips until after all chance of frost has passed because they require warm weather.

The earliest that you can plant turnips in Urbana 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. You probably don't want to wait any later than that or else your turnips may not have a chance to really do well. If you are starting your turnips indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Urbana and it will vary from year to year. Since half of the time in Urbana it frosts late in the year after April 15 be ready to protect your turnips if you have a surprise late frost.

USDA Zone Info for Urbana

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 Urbana

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