One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant garden cress in Sullivan can be determined by checking out the USDA zone info.

Planting Calendar for Garden cress

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

You should not plant garden cress until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant garden cress in Sullivan 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 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 Sullivan. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Sullivan may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Sullivan you get a frost 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 Sullivan

Here is the info for USDA Zone 7b.

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

Plants to Grow in Sullivan

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