One of the best tools that you have as gardeners to help us estimate 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.

One way of figuring out when it's possible to plant garden cress is to consult the USDA zone info for Williamsport.

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 should not plant garden cress until after all chance of frost has passed because they do not do well in cold weather.

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

Last Frost Date

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

Always keep in mind that USDA zone info for Williamsport is an average and the actual date of last frost changes from year to year. Half of the time in Williamsport it frosts late in the year after April 15 so make sure that you are ready to protect your garden cress if you have a surprise late frost.

USDA Zone Info for Williamsport

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 Williamsport

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