The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's the best time to plant garden cress by looking at the USDA zone info for Zone 5b.

Planting Calendar for Garden cress

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

Since garden cress do not do well in cold weather it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant garden cress in Zone 5b 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. Any later than that and 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

The average date of last frost is April 15 in Zone 5b. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Zone 5b is an average and the actual date of last frost will vary from year to year. Since half of the time in Zone 5b last frost occurs after April 15 be ready to cover your garden cress if you have a surprise late frost.

USDA Zone Info for Zone 5b

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 Zone 5b

You may be interested in your other planting guides for Zone 5b.