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

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

Planting Calendar for Chard

Frost tolerance for chard:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since chard are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than more sensitive plants.

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

The last month that you can plant chard and expect a good harvest is probably October. You probably don't want to wait any later than that or else your chard may not have a chance to fully mature. Starting your chard 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. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Port Isabel is an average and the actual date of last frost changes from year to year. Half of the time in Port Isabel last frost occurs after January 31 so make sure that you are ready to protect your chard in the event of a surprise late frost.

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.