One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Westminster you can figure out when it's a good idea to plant turnips by referring to 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 are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant turnips in Westminster 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 fully mature. Starting your turnips indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Westminster and it will vary from year to year. Half of the time in Westminster you get a frost after April 15 so make sure that you are ready to protect your turnips in the event of a surprise late frost.

USDA Zone Info for Westminster

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Westminster

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