One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

The USDA zone info for Crystal City should be looked at to figure out when you can plant stocks.

Planting Calendar for Stocks

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

Stocks are barely cold tolerant which tells us that you can plant them slightly earlier than plants that are more sensitive to the cold.

The earliest that you can plant stocks in Crystal City 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 stocks and expect a good harvest is probably September. If you wait any later than that and your stocks may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your stocks indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Crystal City. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Crystal City is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Crystal City you get surprised by a frost after February 15 be ready to cover your stocks in the event of a surprise late frost.

USDA Zone Info for Crystal City

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Crystal City

You may be interested in your other planting guides for Crystal City.