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

By referring to the USDA zone info for Port Isabel you will be able to figure out when it's a good idea to plant crossandra.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After the last frost.

Since crossandra do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant crossandra in Port Isabel is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

In Port Isabel the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Port Isabel may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Port Isabel it frosts late in the year after January 31 be ready to protect your crossandra if you have one of those late frosts.

USDA Zone Info for Port Isabel

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Port Isabel

You may be interested in your other planting guides for Port Isabel.