One of the first steps you take when you are determining 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.

The USDA zone info for Port Isabel should be reffered to in order to figure out when it's possible to plant kale.

Planting Calendar for Kale

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

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

The earliest that you can plant kale 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 kale and expect a good harvest is probably October. Any later than that and your kale may not have a chance to fully mature. You can get started a little bit earlier by starting your kale indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Port Isabel. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Port Isabel may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Port Isabel you get a frost after January 31 be ready to protect your kale if you have a 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.