The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant turnips in Harlingen 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 a bad idea to plant turnips until after the last frost because they require warm weather.

The earliest that you can plant turnips in Harlingen 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 fully mature. You can get started a couple of weeks earlier by starting your turnips indoors.

Last Frost Date

In Harlingen the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Harlingen may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Harlingen you get a frost after February 15 so just be sure to be ready to protect your turnips in the event of one of those late frosts.

USDA Zone Info for Harlingen

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 Harlingen

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