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 Clarendon Hills can be looked at to determine when you can plant indian cress.

Planting Calendar for Indian cress

Frost tolerance for indian cress:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since indian cress require warm weather it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant indian cress in Clarendon Hills 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 indian cress and expect a good harvest is probably August. Any later than that and your indian cress may not have a chance to really do well. You can get started a couple of weeks earlier by starting your indian cress indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Clarendon Hills is just an average and the actual date of last frost will vary from year to year. Half of the time in Clarendon Hills last frost occurs after April 15 so always be ready to protect your indian cress in the event of a surprise late frost.

USDA Zone Info for Clarendon Hills

Here is the info for USDA Zone 5b.

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

Plants to Grow in Clarendon Hills

You may be interested in your other planting guides for Clarendon Hills.