The USDA Zone info is a great tool for gardeners to help us estimate 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.

In Centerville you can determine when it's a good idea to plant bittercress 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 slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bittercress in Centerville 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 fully mature. Starting your bittercress indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Centerville. You should expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Centerville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Centerville you get a frost after April 15 so make sure that you are prepared to cover your bittercress if you have one of those late frosts.

USDA Zone Info for Centerville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Centerville

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