One of the best tools that you have as gardeners to help us determine 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.

You can figure out when it's a good idea to plant bittercress in Attalla by reviewing 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 can survive in mild cold which means 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 Attalla 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. Any later than that and your bittercress may not have a chance to grow to maturity. Starting your bittercress indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Attalla. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Attalla is not always accurate the actual date of last frost is different every year. Half of the time in Attalla 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 Attalla

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 Attalla

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