The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant turnips is to check out the USDA zone info for Delafield.

Planting Calendar for Turnips

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

You can not plant turnips until after the last frost because they require warm weather.

The earliest that you can plant turnips in Delafield 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 really do well. You can get started a few weeks earlier by starting your turnips indoors.

Last Frost Date

The average date of last frost is April 15 in Delafield. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Delafield is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Delafield there is a last frost after April 15 be ready to protect your turnips if you have a late frost.

USDA Zone Info for Delafield

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 Delafield

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