Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Dewitt you can determine when it's a good idea to plant bittercress by looking at the USDA zone info.

Planting Calendar for Bittercress

Frost tolerance for bittercress:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Bittercress do ok in some cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant bittercress in Dewitt is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bittercress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bittercress may not have a chance to really do well. If you are starting your bittercress indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Dewitt. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Dewitt is just an average the actual date of last frost is different every year. Half of the time in Dewitt it frosts late in the year after April 15 so just be sure to be ready to cover your bittercress in the event of a late frost.

USDA Zone Info for Dewitt

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Dewitt

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