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.

The USDA zone info for New Boston can be reffered to in order to estimate when you can plant bittercress.

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 very little cold which tells us that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant bittercress in New Boston 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 fully mature. You can get started a couple of weeks earlier by starting your bittercress indoors.

Last Frost Date

The average date of last frost is March 15 in New Boston. You should expect an average low temperature of 10°F in the coldest months of winter.

Remember that USDA zone info for New Boston may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in New Boston you get a frost after March 15 so just be sure to be ready to cover your bittercress if you have a surprise late frost.

USDA Zone Info for New Boston

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in New Boston

You may be interested in your other planting guides for New Boston.