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 first opportunity to plant garden cress in Rolla can be determined 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.

It's not a good idea to plant garden cress until after the last frost has passed because they require warm weather.

The earliest that you can plant garden cress in Rolla 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. If you are starting your garden cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Rolla. You can expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Rolla is just an average and the actual date of last frost is different every year. Half of the time in Rolla last frost occurs after April 15 so just be sure to be ready to protect your garden cress if you have one of those late frosts.

USDA Zone Info for Rolla

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 Rolla

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