Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's the best time to plant pearl onions is to check out the USDA zone info for Port Lavaca.

Planting Calendar for Pearl onions

Frost tolerance for pearl onions:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant pearl onions just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant pearl onions in Port Lavaca 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 pearl onions and expect a good harvest is probably September. Any later than that and your pearl onions may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your pearl onions indoors.

Last Frost Date

The average date of last frost is February 15 in Port Lavaca. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Port Lavaca is an average the actual date of last frost is different every year. Since half of the time in Port Lavaca it frosts late in the year after February 15 be ready to protect your pearl onions if you have a surprise 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.