Before planting it is a good idea to find your USDA Zone info to estimate 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 first chance to plant turnips in Watertown can be figured out by checking out the USDA zone info.

Planting Calendar for Turnips

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

It's not a good idea to plant turnips until after all chance of frost has passed because they require warm weather.

The earliest that you can plant turnips in Watertown is May. However, you really should wait until June 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 grow to maturity. You can get started a little bit earlier by starting your turnips indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Watertown. You can expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Watertown may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Watertown you get surprised by a frost after May 15 be ready to cover your turnips in the event of one of those late frosts.

USDA Zone Info for Watertown

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Watertown

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