The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant bittercress in Xenia should be figured out by referring to 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.

Since bittercress do ok in moderate cold you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant bittercress in Xenia 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. If you wait any later than that and 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 Xenia. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Xenia is not always accurate the actual date of last frost is different every year. Since half of the time in Xenia last frost occurs after April 15 be ready to protect your bittercress if you have one of those late frosts.

USDA Zone Info for Xenia

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 Xenia

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