One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when you can plant leeks is to use the USDA zone info for Port Isabel.

Planting Calendar for Leeks

Frost tolerance for leeks:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Leeks are very cold tolerant which means that you can get them planted much earlier than other plants that might not handle the cold.

The earliest that you can plant leeks 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 leeks and expect a good harvest is probably October. You probably don't want to wait any later than that or else your leeks may not have a chance to really do well. You can get started a few weeks earlier by starting your leeks indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Port Isabel is just an average and the actual date of last frost is different every year. Half of the time in Port Isabel you get a frost after January 31 so make sure that you are prepared to protect your leeks in the event of 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.