One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of making a decision about when it's a good idea to plant garden cress is to consult the USDA zone info for Park Ridge.

Planting Calendar for Garden cress

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

You really shouldn't plant garden cress until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant garden cress in Park Ridge 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. You probably don't want to wait any later than that or else your garden cress may not have a chance to really do well. You can get started a little bit earlier by starting your garden cress indoors.

Last Frost Date

On average the last frost is on April 15 in Park Ridge. In the coldest months of winter you can expect an average low temperature of 0°F.

It's important to remember that USDA zone info for Park Ridge is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Park Ridge there is a last frost after April 15 so be sure to be ready to cover your garden cress if you have a surprise late frost.

USDA Zone Info for Park Ridge

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 Park Ridge

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