One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant ajuga in Crystal City should be figured out by referring to the USDA zone info.

Planting Calendar for Ajuga

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

You can plant ajuga a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant ajuga in Crystal City 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 ajuga and expect a good harvest is probably October. If you wait any later than that and your ajuga may not have a chance to fully mature. Starting your ajuga indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Crystal City is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Crystal City last frost occurs after February 15 so be sure to be ready to protect your ajuga if you have one of those late frosts.

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.