One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of getting a good idea when it's the best time to plant garden cress is to consult the USDA zone info for Powell.

Planting Calendar for Garden cress

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

It's not a good idea to plant garden cress until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant garden cress in Powell 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 grow to maturity. 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 Powell. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Powell is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Powell you get a frost after April 15 be ready to cover your garden cress in the event of one of those late frosts.

USDA Zone Info for Powell

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Powell

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