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

The best time to plant garden cress in Allentown should be figured out by looking at the USDA zone info.

Planting Calendar for Garden cress

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

You can not plant garden cress until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant garden cress in Allentown 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 grow to maturity. Starting your garden cress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Allentown. 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 Allentown is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Allentown last frost occurs 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 Allentown

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 Allentown

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