One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Harlingen it's possible to determine when you can plant corn salad.

Planting Calendar for Corn salad

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

It's a bad idea to plant corn salad until after the last frost has passed because they require warm weather.

The earliest that you can plant corn salad 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 corn salad and expect a good harvest is probably September. If you wait any later than that and your corn salad may not have a chance to really do well. If you are starting your corn salad indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Harlingen. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Harlingen is an average and the actual date of last frost is different every year. Half of the time in Harlingen you get a frost after February 15 so be sure to be ready to protect your corn salad 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.