Before planting it is a good idea to find your USDA Zone info to estimate 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.

In Crystal City you can figure out when it's the best time to plant garden cress by checking out the USDA zone info.

Planting Calendar for Garden cress

Frost tolerance for garden cress:	Not tolerant of frost.
When to plant:	After the last frost.

Since garden cress do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant garden cress in Crystal City is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant garden cress and expect a good harvest is probably August. If you wait any later than that and your garden cress may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your garden cress indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Crystal City. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Crystal City is just an average the actual date of last frost changes from year to year. Since half of the time in Crystal City you get surprised by a frost after April 15 be ready to cover your garden cress if you have a late frost.

USDA Zone Info for Crystal City

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Crystal City

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