Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant turnips in Boulder City by reviewing the USDA zone info.

Planting Calendar for Turnips

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

Since turnips require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant turnips in Boulder City is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant turnips and expect a good harvest is probably September. You probably don't want to wait any later than that or else your turnips may not have a chance to really do well. Starting your turnips indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Boulder City the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Boulder City is an average the actual date of last frost will vary from year to year. Since half of the time in Boulder City it frosts late in the year after February 15 be ready to protect your turnips in the event of a surprise late frost.

USDA Zone Info for Boulder City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

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

Plants to Grow in Boulder City

You may be interested in your other planting guides for Boulder City.