One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Harlingen you can determine when it's possible to plant moon vine by checking out the USDA zone info.

Planting Calendar for Moon Vine

Frost tolerance for moon vine:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's a bad idea to plant moon vine until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant moon vine 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 moon vine and expect a good harvest is probably September. Any later than that and your moon vine may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your moon vine indoors.

Last Frost Date

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

Since the USDA zone info for Harlingen is not always accurate the actual date of last frost is different every year. Half of the time in Harlingen there is a last frost after February 15 so make sure that you are prepared to protect your moon vine 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.