Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Plymouth should be read to determine when you can plant turnips.

Planting Calendar for Turnips

Frost tolerance for turnips:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Turnips require warm weather which means that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant turnips in Plymouth 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 Plymouth. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Plymouth is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Plymouth you get surprised by a frost after April 15 be ready to protect your turnips in the event of one of those late frosts.

USDA Zone Info for Plymouth

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 Plymouth

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