The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. 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 it's a good idea to plant sweet williams is to check out the USDA zone info for La Joya.

Planting Calendar for Sweet Williams

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

Sweet Williams do well in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant sweet williams in La Joya 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 sweet williams and expect a good harvest is probably October. You probably don't want to wait any later than that or else your sweet williams may not have a chance to fully mature. Starting your sweet williams indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in La Joya. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for La Joya is not always accurate the actual date of last frost is different every year. Half of the time in La Joya you get a frost after February 15 so make sure that you are prepared to protect your sweet williams if you have a surprise late frost.

USDA Zone Info for La Joya

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 La Joya

You may be interested in your other planting guides for La Joya.