Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Barrington can be read to estimate when it's a good idea to plant rock cress.

Planting Calendar for Rock Cress

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

Rock Cress do ok in cold weather which means that you can plant them much earlier in the year than other plants that might not handle the cold.

The earliest that you can plant rock cress in Barrington is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant rock cress and expect a good harvest is probably September. Any later than that and your rock cress may not have a chance to really do well. Starting your rock cress 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 April 15 in Barrington. You can expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Barrington is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Barrington you get a frost after April 15 so just be sure to be ready to protect your rock cress if you have a late frost.

USDA Zone Info for Barrington

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Barrington

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