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.

You should be able to estimate when you can plant turnips by looking at the USDA zone info for Vandalia.

Planting Calendar for Turnips

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

Turnips require warm weather which tells us that it is necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant turnips in Vandalia 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 fully mature. You can get started a little bit earlier by starting your turnips indoors.

Last Frost Date

The average date of last frost is April 15 in Vandalia. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Vandalia is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Vandalia it frosts late in the year after April 15 so just be sure to be ready to protect your turnips in the event of a late frost.

USDA Zone Info for Vandalia

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 Vandalia

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