One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when it's a good idea to plant turnips is to examine the USDA zone info for Round Rock.

Planting Calendar for Turnips

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

It's probably not a good idea to plant turnips until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant turnips in Round Rock 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. If you wait any later than that and your turnips may not have a chance to grow to maturity. Starting your turnips indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Round Rock. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Round Rock is not always accurate the actual date of last frost is different every year. Half of the time in Round Rock you get surprised by a frost after March 15 so always be ready to protect your turnips in the event of one of those late frosts.

USDA Zone Info for Round Rock

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Round Rock

You may be interested in your other planting guides for Round Rock.