The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's a good idea to plant garden cress is to use the USDA zone info for Dunbar.

Planting Calendar for Garden cress

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

You should not plant garden cress until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant garden cress in Dunbar 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. Starting your garden cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Dunbar. In the coldest months of winter you can expect an average low temperature of -5°F.

It's important to remember that USDA zone info for Dunbar is just an average and the actual date of last frost is different every year. Half of the time in Dunbar you get surprised by a frost after April 15 so make sure that you are ready to cover your garden cress if you have a late frost.

USDA Zone Info for Dunbar

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Dunbar

You may be interested in your other planting guides for Dunbar.