The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant turnips in Jefferson 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 when the weather gets warmer.

You can not plant turnips until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant turnips in Jefferson 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 few weeks earlier by starting your turnips indoors.

Last Frost Date

In Jefferson the average date of last frost happens on April 15. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Jefferson may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Jefferson it frosts late in the year after April 15 so always be ready to protect your turnips in the event of a surprise late frost.

USDA Zone Info for Jefferson

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 Jefferson

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