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.

One way of estimating when it's the best time to plant garden cress is to refer to the USDA zone info for Mission.

Planting Calendar for Garden cress

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

It's probably not a good idea to plant garden cress until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant garden cress in Mission 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 little bit earlier by starting your garden cress indoors.

Last Frost Date

In Mission the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Mission may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Mission it frosts late in the year after April 15 so always be ready to cover your garden cress in the event of a surprise late frost.

USDA Zone Info for Mission

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Mission

You may be interested in your other planting guides for Mission.