The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of determining when it's the best time to plant garden cress is to refer to the USDA zone info for Round Rock.

Planting Calendar for Garden cress

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

You should not 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 Round Rock 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. Any later than that and your garden cress may not have a chance to really do well. Starting your garden cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Round Rock. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Round Rock may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Round Rock there is a last frost after March 15 so be sure to be ready to protect your garden cress if you have a late frost.

USDA Zone Info for Round Rock

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Round Rock

You may be interested in your other planting guides for Round Rock.