The USDA Zone info is a great tool for gardeners to help us determine 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.

In Manassas you can figure out when to plant turnips 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.

Since turnips require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant turnips in Manassas 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 couple of weeks earlier by starting your turnips indoors.

Last Frost Date

The average date of last frost is April 15 in Manassas. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Manassas may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Manassas you get a frost after April 15 so be sure to be ready to cover your turnips in the event of a surprise late frost.

USDA Zone Info for Manassas

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Manassas

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