One of the best tools that you have as gardeners to help us figure out 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 using the USDA zone info for Green Bay you should be able to determine when you can plant garden cress.

Planting Calendar for Garden cress

Frost tolerance for garden cress:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since garden cress do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant garden cress in Green Bay 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. If you wait any later than that and your garden cress may not have a chance to fully mature. You can get started a few weeks earlier by starting your garden cress indoors.

Last Frost Date

The average date of last frost is April 15 in Green Bay. You can expect an average low temperature of -20°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Green Bay is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Green Bay you get surprised by a frost after April 15 so always be ready to protect your garden cress in the event of a late frost.

USDA Zone Info for Green Bay

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Green Bay

You may be interested in your other planting guides for Green Bay.