One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Highland Park you should be able to figure out 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 has passed.

It's probably a bad idea to plant indian cress until after the last frost has passed because they require warm weather.

The earliest that you can plant indian cress in Highland Park 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. If you wait any later than that and your indian cress may not have a chance to fully mature. You can get started a little bit earlier by starting your indian cress indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Highland Park. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Highland Park is an average and the actual date of last frost changes from year to year. Since half of the time in Highland Park last frost occurs after April 15 be ready to protect your indian cress if you have a surprise late frost.

USDA Zone Info for Highland Park

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 Highland Park

You may be interested in your other planting guides for Highland Park.