One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Port Lavaca can be reffered to in order to estimate when it's possible to plant hardy hibiscus.

Planting Calendar for Hardy Hibiscus

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

Hardy Hibiscus are one of those plants that can tolerate quite a bit of cold weather which means that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant hardy hibiscus in Port Lavaca 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 hardy hibiscus and expect a good harvest is probably October. If you wait any later than that and your hardy hibiscus may not have a chance to really do well. You can get started a few weeks earlier by starting your hardy hibiscus indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Port Lavaca. It might get as low as 25°F during the coldest months of winter.

It's important to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Port Lavaca and it is different every year. Half of the time in Port Lavaca it frosts late in the year after February 15 so always be ready to cover your hardy hibiscus if you have a late frost.

USDA Zone Info for Port Lavaca

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 Port Lavaca

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